:root {
  --bg: #0a0a0c;
  --bg-2: #121216;
  --bg-3: #1a1a20;
  --surface: #17171c;
  --ink: #f5f1e8;
  --ink-2: #c9c4b8;
  --ink-3: #8a867d;
  --gold: #d4af37;
  --gold-2: #e8c76b;
  --gold-soft: rgba(212, 175, 55, 0.12);
  --copper: #b87333;
  --line: rgba(212, 175, 55, 0.18);
  --line-2: rgba(245, 241, 232, 0.08);
  --radius: 2px;
  --radius-lg: 6px;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
  --shadow-gold: 0 10px 40px rgba(212, 175, 55, 0.15);
  --f-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --f-sans: "Inter", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--f-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color 0.3s ease; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 10% 0%, rgba(212, 175, 55, 0.08), transparent 50%),
    radial-gradient(ellipse at 90% 100%, rgba(184, 115, 51, 0.06), transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; position: relative; z-index: 1; }
section { position: relative; z-index: 1; }

.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 10, 12, 0.8);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line-2);
  transition: background 0.3s ease;
}
.site-header.scrolled { background: rgba(10, 10, 12, 0.95); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 84px;
  max-width: 1280px; margin: 0 auto; padding: 0 32px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 44px; height: 44px; display: grid; place-items: center;
  position: relative;
}
.brand-mark span {
  font-family: var(--f-serif); font-weight: 700;
  color: var(--gold); font-size: 20px; letter-spacing: 1px;
}
.brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text b { font-family: var(--f-serif); font-size: 19px; letter-spacing: 4px; color: var(--ink); font-weight: 600; }
.brand-text small { color: var(--ink-3); font-size: 10px; letter-spacing: 3px; text-transform: uppercase; }

.site-header .brand { gap: 0; }
.site-header .brand-mark {
  width: 170px;
  height: 60px;
  flex: 0 0 170px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  overflow: hidden;
}
.site-header .brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transform: translateY(-1px);
  filter: drop-shadow(0 8px 22px rgba(212, 175, 55, 0.18));
}
.site-header .brand-text { display: none; }

.site-footer .brand {
  gap: 0;
  align-items: center;
}
.site-footer .brand-mark {
  width: 158px;
  height: 56px;
  flex: 0 0 158px;
}
.site-footer .brand-text { display: none; }

.nav { display: flex; align-items: center; gap: 2px; }
.nav a {
  padding: 10px 20px; color: var(--ink-2); font-size: 14px;
  letter-spacing: 1px; position: relative;
}
.nav a:hover, .nav a.active { color: var(--gold); }
.nav a.active::after {
  content: ""; position: absolute; bottom: 0; left: 20px; right: 20px; height: 1px;
  background: var(--gold);
}
.nav-cta {
  padding: 10px 22px; border: 1px solid var(--gold);
  color: var(--gold); font-size: 13px; letter-spacing: 2px;
  transition: all 0.3s ease; margin-left: 12px;
}
.nav-cta:hover { background: var(--gold); color: var(--bg); }

.nav-toggle {
  display: none; width: 44px; height: 44px;
  position: relative; z-index: 101;
  border-radius: 2px;
  transition: background 0.25s ease;
}
.nav-toggle:hover { background: rgba(212,175,55,0.08); }
.nav-toggle span {
  display: block; width: 22px; height: 1.5px;
  background: var(--ink); margin: 5px auto;
  transition: transform 0.35s cubic-bezier(.4,.0,.2,1), opacity 0.25s ease, background 0.3s ease;
  transform-origin: center;
}
.nav-toggle.is-open span { background: var(--gold); }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 0 60px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: "匠";
  position: absolute;
  font-family: var(--f-serif);
  font-size: 52vw;
  font-weight: 900;
  color: rgba(212, 175, 55, 0.03);
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  pointer-events: none; user-select: none;
  line-height: 1;
}
.hero-grid {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  color: var(--gold); font-size: 12px; letter-spacing: 4px;
  margin-bottom: 28px; text-transform: uppercase;
}
.hero-eyebrow::before { content: ""; width: 40px; height: 1px; background: var(--gold); }
.hero h1 {
  font-family: var(--f-serif);
  font-size: clamp(48px, 6.2vw, 88px);
  line-height: 1.05;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: 2px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--gold), var(--gold-2), var(--copper));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p {
  font-size: 17px; color: var(--ink-2); max-width: 620px;
  margin-bottom: 44px;
  line-height: 1.9;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 34px;
  font-size: 14px; letter-spacing: 2px;
  transition: all 0.35s ease;
  position: relative; overflow: hidden;
}
.btn-primary {
  background: var(--gold); color: var(--bg); font-weight: 600;
  border: 1px solid var(--gold);
}
.btn-primary:hover { background: var(--gold-2); border-color: var(--gold-2); transform: translateY(-2px); box-shadow: var(--shadow-gold); }
.btn-ghost {
  border: 1px solid var(--line); color: var(--ink);
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn .arrow { transition: transform 0.3s ease; }
.btn:hover .arrow { transform: translateX(4px); }

.hero-visual {
  position: relative;
  display: grid; place-items: center;
}
.hero-device {
  width: 100%;
  display: grid; place-items: center;
  position: relative;
  overflow: visible;
  background: transparent;
  border: none;
}
.hero-device::before {
  content: none;
}
.hero-device-inner {
  width: min(100%, 560px);
  position: relative;
  display: grid; place-items: center;
}
.hero-device-inner img {
  width: 100%; height: auto; object-fit: contain;
  filter: drop-shadow(0 40px 60px rgba(0,0,0,0.6));
}
.hero-device-screen {
  width: 100%; height: 140px;
  background: linear-gradient(180deg, #0a0a0c, #050505);
  border-radius: 4px;
  border: 1px solid rgba(212, 175, 55, 0.2);
  display: grid; place-items: center;
  font-family: var(--f-serif); font-size: 32px;
  color: var(--gold);
  letter-spacing: 4px;
}
.hero-device-btn {
  width: 48px; height: 8px;
  background: linear-gradient(180deg, #3a3834, #1a1816);
  border-radius: 4px; margin-top: auto;
}
.hero-stats {
  margin-top: 28px;
  display: grid; grid-template-columns: repeat(3, 1fr);
  padding: 0;
  background: transparent;
  border: none;
  max-width: 560px;
  width: 100%;
}
.hero-stats > div { text-align: center; border-right: none; }
.hero-stats > div:last-child { border-right: none; }
.hero-stats b { display: block; color: var(--gold); font-family: var(--f-serif); font-size: 22px; letter-spacing: 1px; }
.hero-stats span { color: var(--ink-3); font-size: 11px; letter-spacing: 2px; }

.section {
  padding: 130px 0;
  border-top: 1px solid var(--line-2);
}
.section-head { text-align: center; margin-bottom: 80px; }
.section-head .eyebrow {
  color: var(--gold); font-size: 12px; letter-spacing: 5px; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 14px;
}
.section-head .eyebrow::before,
.section-head .eyebrow::after { content: ""; width: 30px; height: 1px; background: var(--gold); }
.section-head h2 {
  font-family: var(--f-serif);
  font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 700;
  margin: 18px 0 16px;
  letter-spacing: 3px;
}
.section-head p { color: var(--ink-3); max-width: 640px; margin: 0 auto; font-size: 15px; }

.product-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.product-grid .card:nth-child(4),
.product-grid .card:nth-child(5) {
  grid-column: span 1;
}
.product-grid.feat-5 {
  grid-template-columns: repeat(6, 1fr);
}
.product-grid.feat-5 .card:nth-child(1),
.product-grid.feat-5 .card:nth-child(2),
.product-grid.feat-5 .card:nth-child(3) { grid-column: span 2; }
.product-grid.feat-5 .card:nth-child(4),
.product-grid.feat-5 .card:nth-child(5) { grid-column: span 3; }

.card {
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
  border: 1px solid var(--line-2);
  padding: 36px 32px 32px;
  position: relative;
  transition: all 0.4s ease;
  display: flex; flex-direction: column;
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0; transition: opacity 0.4s ease;
}
.card:hover { border-color: var(--gold-soft); transform: translateY(-6px); box-shadow: var(--shadow); }
.card:hover::before { opacity: 1; }

.card-clickable { cursor: pointer; }
.card-clickable:focus-visible { outline: 1px solid var(--gold); outline-offset: 4px; }

.card-badge {
  position: absolute; top: 20px; right: 20px;
  font-size: 10px; letter-spacing: 2px;
  color: var(--gold); border: 1px solid var(--gold);
  padding: 4px 10px;
}
.card-image {
  width: 100%; aspect-ratio: 1 / 1;
  margin-bottom: 24px;
  background: radial-gradient(ellipse at center, rgba(212, 175, 55, 0.08), transparent 70%);
  display: grid; place-items: center;
  position: relative;
  overflow: hidden;
}
.card-image img {
  width: min(84%, 320px);
  height: min(84%, 320px);
  object-fit: contain;
  object-position: center center;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.5));
  transition: transform 0.5s ease;
}
.card:hover .card-image img { transform: scale(1.06) translateY(-4px); }
.device-mock {
  width: 60%; aspect-ratio: 2/3;
  background: linear-gradient(145deg, #2a2824, #141210);
  border-radius: 10px;
  display: flex; flex-direction: column; align-items: center; justify-content: space-between;
  padding: 18% 12%;
  box-shadow: 0 20px 40px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.05);
  position: relative;
}
.device-mock.wide { aspect-ratio: 3/4; }
.device-mock.square { aspect-ratio: 1/1.2; }
.device-mock-screen {
  width: 100%; flex: 1;
  background: linear-gradient(180deg, #0a0a0c, #050505);
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: 4px;
  display: grid; place-items: center;
  color: var(--gold); font-family: var(--f-serif); font-size: 14px;
  letter-spacing: 2px;
}
.device-mock.wide .device-mock-screen { font-size: 11px; padding: 8px; }
.device-mock-dot { width: 30%; height: 6px; background: #3a3834; border-radius: 3px; margin-top: 10px; }

.card h3 {
  font-family: var(--f-serif); font-size: 22px; margin-bottom: 8px;
  letter-spacing: 1px; font-weight: 700;
}
.card-sub { color: var(--ink-3); font-size: 13px; letter-spacing: 1px; margin-bottom: 18px; }
.card-desc { color: var(--ink-2); font-size: 14px; margin-bottom: 24px; flex: 1; }
.card-foot { display: flex; align-items: center; justify-content: space-between; padding-top: 20px; border-top: 1px solid var(--line-2); }
.price { color: var(--gold); font-family: var(--f-serif); }
.price b { font-size: 28px; font-weight: 700; letter-spacing: 1px; }
.price small { font-size: 12px; color: var(--ink-3); margin-right: 4px; }
.card-link { color: var(--ink-2); font-size: 13px; letter-spacing: 2px; display: inline-flex; align-items: center; gap: 8px; }
.card-link:hover { color: var(--gold); }

.features {
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
  padding: 130px 0;
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line-2);
}
.feature-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  border: 1px solid var(--line-2);
}
.feature {
  padding: 48px 36px;
  border-right: 1px solid var(--line-2);
  transition: background 0.3s ease;
}
.feature:last-child { border-right: none; }
.feature:hover { background: rgba(212, 175, 55, 0.03); }
.feature-num { font-family: var(--f-serif); color: var(--gold); font-size: 14px; letter-spacing: 3px; margin-bottom: 28px; }
.feature-icon {
  width: 56px; height: 56px;
  border: 1px solid var(--gold);
  display: grid; place-items: center;
  margin-bottom: 24px;
  color: var(--gold);
}
.feature h4 { font-family: var(--f-serif); font-size: 20px; margin-bottom: 14px; letter-spacing: 1px; }
.feature p { color: var(--ink-3); font-size: 14px; }

.about-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: center; }
.about-visual {
  aspect-ratio: 4/5; position: relative;
  background: transparent;
  border: none;
  padding: 0;
  display: grid; place-items: center;
}
.about-visual::before,
.about-visual::after {
  display: none;
}
.about-seal {
  width: 70%; aspect-ratio: 1;
  border: 2px solid var(--gold);
  display: grid; place-items: center;
  position: relative;
  background: radial-gradient(circle at center, rgba(212, 175, 55, 0.1), transparent 70%);
}
.about-seal::before {
  content: ""; position: absolute; inset: 12px; border: 1px solid var(--gold-soft);
}
.about-seal b {
  font-family: var(--f-serif); color: var(--gold);
  font-size: clamp(48px, 8vw, 90px); letter-spacing: 8px;
  font-weight: 900;
  writing-mode: vertical-rl;
  text-orientation: upright;
}
.about-seal img { width: 85%; height: 85%; object-fit: contain; }
.about-text .eyebrow { color: var(--gold); font-size: 12px; letter-spacing: 5px; text-transform: uppercase; }
.about-text h2 { font-family: var(--f-serif); font-size: clamp(32px, 4vw, 48px); font-weight: 700; margin: 18px 0 28px; letter-spacing: 3px; line-height: 1.2; }
.about-text p { color: var(--ink-2); font-size: 15px; margin-bottom: 18px; }
.about-quote {
  border-left: 2px solid var(--gold);
  padding: 6px 0 6px 24px;
  font-family: var(--f-serif); font-style: italic;
  color: var(--gold); font-size: 18px;
  margin: 32px 0;
}

.cta-band {
  padding: 100px 0;
  text-align: center;
  background:
    radial-gradient(ellipse at center, rgba(212, 175, 55, 0.1), transparent 70%),
    var(--bg);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.cta-band h2 { font-family: var(--f-serif); font-size: clamp(32px, 4.5vw, 52px); margin-bottom: 20px; letter-spacing: 3px; }
.cta-band p { color: var(--ink-2); max-width: 540px; margin: 0 auto 36px; }

.app-download { padding: 110px 0; border-top: 1px solid var(--line-2); position: relative; }
.app-download::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(212,175,55,0.08), transparent 55%);
  pointer-events: none;
}
.app-grid {
  display: grid; grid-template-columns: 1fr 1.05fr; gap: 80px;
  align-items: center;
}
.app-visual {
  display: grid; place-items: center; position: relative;
}
.app-visual .phone-frame {
  position: relative;
  width: 320px; padding: 18px 14px 22px;
  border: 1px solid var(--line);
  border-radius: 42px;
  background: linear-gradient(160deg, #1a1a20, #0f0f12);
  box-shadow: var(--shadow), 0 0 0 1px rgba(212,175,55,0.08) inset;
}
.app-visual .phone-frame::before {
  content: ""; position: absolute; top: 14px; left: 50%;
  transform: translateX(-50%);
  width: 90px; height: 22px; border-radius: 14px;
  background: #050507;
}
.app-visual .phone-screen {
  border-radius: 28px; overflow: hidden;
  background: #0a0a0c; aspect-ratio: 9/19;
  display: grid; place-items: center;
}
.app-visual .phone-screen img { width: 100%; height: 100%; object-fit: cover; }
.app-visual .phone-screen .ledger-mock {
  width: 100%; height: 100%;
  background: linear-gradient(180deg,#0d0d11 0%, #15151c 100%);
  display: flex; flex-direction: column; padding: 50px 18px 24px; gap: 14px;
  font-family: var(--f-sans); color: var(--ink);
}
.ledger-mock .lm-top { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--ink-2); letter-spacing: 1px; }
.ledger-mock .lm-tabs { display: flex; gap: 8px; margin-top: 4px; }
.ledger-mock .lm-tabs span { font-size: 11px; padding: 5px 12px; border-radius: 999px; background: rgba(212,175,55,0.12); color: var(--gold); letter-spacing: 1px; }
.ledger-mock .lm-tabs span:nth-child(2){ background: transparent; color: var(--ink-3); }
.ledger-mock .lm-amount { text-align: center; padding: 18px 0 10px; }
.ledger-mock .lm-amount b { font-family: var(--f-serif); font-size: 30px; color: var(--gold); letter-spacing: 1px; }
.ledger-mock .lm-amount small { color: var(--ink-3); display: block; font-size: 11px; margin-top: 4px; letter-spacing: 2px; }
.ledger-mock .lm-chart { height: 70px; background: linear-gradient(180deg, rgba(212,175,55,0.18), transparent); border-radius: 6px; position: relative; }
.ledger-mock .lm-chart::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--gold-soft);
}
.ledger-mock .lm-list { display: flex; flex-direction: column; gap: 10px; margin-top: 6px; }
.ledger-mock .lm-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 12px; background: rgba(245,241,232,0.04); border: 1px solid var(--line-2); border-radius: 8px; }
.ledger-mock .lm-row b { font-size: 12px; letter-spacing: 1px; }
.ledger-mock .lm-row span { font-size: 11px; color: var(--ink-3); }
.ledger-mock .lm-row em { font-style: normal; color: var(--gold); font-size: 12px; }

.app-text .eyebrow { color: var(--gold); }
.app-text h2 { font-family: var(--f-serif); font-size: clamp(30px, 4vw, 46px); letter-spacing: 4px; margin: 12px 0 22px; line-height: 1.25; }
.app-text h2 em { font-style: normal; color: var(--gold); }
.app-text > p { color: var(--ink-2); max-width: 560px; margin-bottom: 30px; }
.app-features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 28px; margin-bottom: 38px; max-width: 560px; }
.app-features li { list-style: none; color: var(--ink-2); font-size: 13px; letter-spacing: 1px; padding-left: 18px; position: relative; }
.app-features li::before { content: "◆"; color: var(--gold); position: absolute; left: 0; top: 0; font-size: 10px; }
.app-cta { display: flex; flex-wrap: wrap; gap: 16px; }
.app-btn {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 14px 26px;
  border: 1px solid var(--gold);
  background: linear-gradient(135deg, rgba(212,175,55,0.10), transparent);
  color: var(--ink); letter-spacing: 2px; font-size: 14px;
  transition: all 0.3s ease;
}
.app-btn:hover { background: var(--gold); color: var(--bg); transform: translateY(-2px); box-shadow: var(--shadow-gold); }
.app-btn .ico { font-size: 22px; line-height: 1; color: var(--gold); }
.app-btn:hover .ico { color: var(--bg); }
.app-btn b { display: block; font-family: var(--f-serif); font-size: 15px; letter-spacing: 3px; }
.app-btn small { display: block; font-size: 10px; letter-spacing: 2px; color: var(--ink-3); margin-top: 2px; }
.app-btn:hover small { color: var(--bg); opacity: 0.7; }

.dl-hero { padding: 160px 0 80px; text-align: center; border-bottom: 1px solid var(--line-2); }
.dl-hero h1 { font-family: var(--f-serif); font-size: clamp(36px, 5vw, 60px); letter-spacing: 6px; margin: 14px 0 22px; }
.dl-hero h1 em { font-style: normal; color: var(--gold); }
.dl-hero p { color: var(--ink-2); max-width: 640px; margin: 0 auto; }
.dl-cards { padding: 90px 0; }
.dl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.dl-card {
  position: relative; padding: 50px 44px;
  background: var(--surface);
  border: 1px solid var(--line-2);
  transition: all 0.4s ease;
}
.dl-card:hover { border-color: var(--gold); transform: translateY(-4px); box-shadow: var(--shadow-gold); }
.dl-card .dl-os { font-family: var(--f-serif); color: var(--gold); font-size: 14px; letter-spacing: 4px; }
.dl-card h3 { font-family: var(--f-serif); font-size: 32px; letter-spacing: 3px; margin: 14px 0 18px; }
.dl-card p { color: var(--ink-3); font-size: 13px; line-height: 1.9; margin-bottom: 30px; min-height: 80px; }
.dl-card .dl-meta { display: flex; gap: 24px; margin-bottom: 30px; padding-top: 22px; border-top: 1px solid var(--line-2); }
.dl-card .dl-meta div b { display: block; color: var(--gold); font-size: 13px; letter-spacing: 2px; }
.dl-card .dl-meta div span { font-size: 11px; color: var(--ink-3); letter-spacing: 1px; }
.dl-card .dl-icon {
  position: absolute; top: 40px; right: 40px;
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border: 1px solid var(--gold);
  color: var(--gold); font-size: 28px;
}
.dl-tips { padding: 80px 0; border-top: 1px solid var(--line-2); }
.dl-tips-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 50px; }
.dl-tip { padding: 32px; background: var(--surface); border: 1px solid var(--line-2); }
.dl-tip b { display: block; font-family: var(--f-serif); color: var(--gold); letter-spacing: 3px; font-size: 16px; margin-bottom: 14px; }
.dl-tip p { color: var(--ink-3); font-size: 13px; line-height: 1.9; }

@media (max-width: 900px) {
  .app-grid { grid-template-columns: 1fr; gap: 50px; }
  .app-visual .phone-frame { width: 270px; }
  .dl-grid { grid-template-columns: 1fr; }
  .dl-tips-grid { grid-template-columns: 1fr; }
  .app-features { grid-template-columns: 1fr; }
}

.site-footer {
  background: var(--bg-2);
  padding: 80px 0 30px;
  border-top: 1px solid var(--line-2);
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 60px;
  margin-bottom: 60px;
}
.footer-col h5 {
  font-family: var(--f-serif); color: var(--gold); font-size: 15px;
  letter-spacing: 2px; margin-bottom: 22px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 12px; }
.footer-col a { color: var(--ink-3); font-size: 13px; letter-spacing: 1px; }
.footer-col a:hover { color: var(--gold); }
.footer-brand p { color: var(--ink-3); font-size: 13px; margin-top: 18px; max-width: 320px; }
.footer-bottom {
  padding-top: 30px; border-top: 1px solid var(--line-2);
  display: flex; justify-content: space-between; align-items: center;
  color: var(--ink-3); font-size: 12px; letter-spacing: 1px;
}

.page-hero {
  padding: 180px 0 80px;
  text-align: center;
  border-bottom: 1px solid var(--line-2);
  position: relative;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse at top, rgba(212, 175, 55, 0.08), transparent 50%);
  pointer-events: none;
}
.page-hero .eyebrow { color: var(--gold); font-size: 12px; letter-spacing: 5px; }
.page-hero h1 { font-family: var(--f-serif); font-size: clamp(42px, 5.5vw, 72px); margin: 16px 0 20px; letter-spacing: 4px; font-weight: 700; }
.page-hero p { color: var(--ink-2); max-width: 640px; margin: 0 auto; font-size: 16px; }

.pd-main { padding: 100px 0; }
.pd-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.pd-gallery {
  aspect-ratio: 1; background: linear-gradient(145deg, var(--bg-2), var(--bg-3));
  border: 1px solid var(--line);
  display: grid; place-items: center;
  position: relative;
  overflow: hidden;
}
.pd-gallery img {
  width: 75%; height: 75%; object-fit: contain;
  filter: drop-shadow(0 40px 60px rgba(0,0,0,0.6));
}
.pd-gallery .device-mock { width: 55%; }
.pd-info .eyebrow { color: var(--gold); font-size: 12px; letter-spacing: 4px; }
.pd-info h1 { font-family: var(--f-serif); font-size: clamp(36px, 4.5vw, 56px); margin: 14px 0 18px; letter-spacing: 3px; font-weight: 700; }
.pd-info .lead { color: var(--ink-2); font-size: 16px; margin-bottom: 32px; }
.pd-price {
  display: flex; align-items: baseline; gap: 16px;
  padding: 24px 0; border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2);
  margin-bottom: 32px;
}
.pd-price b { color: var(--gold); font-family: var(--f-serif); font-size: 48px; font-weight: 700; letter-spacing: 1px; }
.pd-price span { color: var(--ink-3); font-size: 13px; letter-spacing: 2px; }
.pd-specs { list-style: none; margin: 32px 0; }
.pd-specs li {
  display: flex; justify-content: space-between;
  padding: 14px 0; border-bottom: 1px solid var(--line-2);
  color: var(--ink-2); font-size: 14px;
}
.pd-specs li b { color: var(--ink-3); font-weight: 400; letter-spacing: 1px; }
.pd-actions { display: flex; gap: 14px; margin-top: 32px; }

.pd-features {
  background: var(--bg-2);
  padding: 100px 0;
  border-top: 1px solid var(--line-2);
}
.pd-feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.pd-feat {
  padding: 36px 30px;
  border: 1px solid var(--line-2);
  background: var(--bg);
}
.pd-feat b { display: block; font-family: var(--f-serif); color: var(--gold); font-size: 14px; letter-spacing: 3px; margin-bottom: 20px; }
.pd-feat h4 { font-family: var(--f-serif); font-size: 20px; margin-bottom: 12px; letter-spacing: 1px; }
.pd-feat p { color: var(--ink-3); font-size: 14px; }

.about-section { padding: 100px 0; }
.about-section.alt { background: var(--bg-2); border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.value {
  padding: 40px 32px;
  border: 1px solid var(--line-2);
  text-align: center;
}
.value .ch { font-family: var(--f-serif); color: var(--gold); font-size: 48px; letter-spacing: 6px; margin-bottom: 18px; }
.value h4 { font-family: var(--f-serif); font-size: 20px; margin-bottom: 12px; letter-spacing: 2px; }
.value p { color: var(--ink-3); font-size: 14px; }

.timeline { max-width: 800px; margin: 0 auto; }
.tl-item {
  display: grid; grid-template-columns: 140px 1fr; gap: 40px;
  padding: 28px 0; border-bottom: 1px solid var(--line-2);
}
.tl-item b { color: var(--gold); font-family: var(--f-serif); font-size: 22px; letter-spacing: 2px; }
.tl-item p { color: var(--ink-2); }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-info { padding: 40px; border: 1px solid var(--line-2); background: var(--bg-2); }
.contact-info h3 { font-family: var(--f-serif); font-size: 24px; margin-bottom: 24px; letter-spacing: 2px; }
.contact-info ul { list-style: none; }
.contact-info li {
  padding: 18px 0; border-bottom: 1px solid var(--line-2);
  display: flex; justify-content: space-between;
  color: var(--ink-2);
}
.contact-info li:last-child { border-bottom: none; }
.contact-info li span { color: var(--ink-3); letter-spacing: 2px; font-size: 13px; }
.contact-info li b { color: var(--gold); font-family: var(--f-serif); font-weight: 400; letter-spacing: 1px; }

.contact-form { padding: 40px; border: 1px solid var(--line-2); }
.form-field { margin-bottom: 20px; }
.form-field label { display: block; color: var(--ink-3); font-size: 12px; letter-spacing: 3px; margin-bottom: 10px; text-transform: uppercase; }
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%; padding: 14px 16px;
  background: var(--bg); border: 1px solid var(--line-2);
  color: var(--ink); font-family: inherit; font-size: 14px;
  transition: border-color 0.3s ease;
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus { outline: none; border-color: var(--gold); }
.form-field textarea { resize: vertical; min-height: 120px; }

.compare-wrap { overflow-x: auto; padding-bottom: 10px; }
.compare-table {
  width: 100%; border-collapse: collapse;
  background: var(--bg-2);
  border: 1px solid var(--line-2);
}
.compare-table th,
.compare-table td {
  padding: 18px 22px;
  border-bottom: 1px solid var(--line-2);
  border-right: 1px solid var(--line-2);
  text-align: left;
  font-size: 14px;
}
.compare-table th {
  font-family: var(--f-serif); color: var(--gold);
  letter-spacing: 2px; font-weight: 600;
  background: var(--bg);
}
.compare-table td { color: var(--ink-2); }
.compare-table td:first-child { color: var(--ink-3); font-size: 13px; letter-spacing: 1px; }
.compare-table .price-row b { color: var(--gold); font-family: var(--f-serif); font-size: 20px; }

.crumbs {
  padding: 20px 0;
  color: var(--ink-3); font-size: 12px; letter-spacing: 2px;
  border-bottom: 1px solid var(--line-2);
}
.crumbs a { color: var(--ink-3); }
.crumbs a:hover { color: var(--gold); }
.crumbs .sep { margin: 0 10px; color: var(--line); }

@media (max-width: 768px) {
  .home-video-section {
    padding: 54px 0 74px;
  }
  .home-video-section .section-head {
    margin-bottom: 30px;
  }
  .home-video-shell {
    padding: 12px;
  }
  .home-video-shell::before {
    inset: 8px;
  }
}

@media (max-width: 1024px) {
  .hero-grid, .about-grid, .pd-grid, .contact-grid { grid-template-columns: 1fr; gap: 60px; }
  .hero-visual { max-width: 620px; margin: 0 auto; width: 100%; }
  .product-grid, .product-grid.feat-5 { grid-template-columns: repeat(2, 1fr); }
  .product-grid.feat-5 .card:nth-child(n) { grid-column: span 1; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature:nth-child(2) { border-right: none; }
  .feature:nth-child(1), .feature:nth-child(2) { border-bottom: 1px solid var(--line-2); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .value-grid, .pd-feat-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .container { padding: 0 20px; }
  body.m-open { overflow: hidden; }
  body { padding-bottom: calc(80px + env(safe-area-inset-bottom)); }

  
  .site-header { padding-top: env(safe-area-inset-top); }
  .header-inner { height: 72px; padding: 0 18px; }
  .brand { gap: 10px; }
  .brand-mark { width: 34px; height: 34px; }
  .site-header .brand-mark {
    width: 126px;
    height: 44px;
    flex: 0 0 126px;
  }
  .site-footer .brand-mark {
    width: 128px;
    height: 44px;
    flex: 0 0 128px;
  }
  .brand-text b { font-size: 16px; letter-spacing: 3px; }
  .brand-text small { font-size: 9px; letter-spacing: 2px; }

  .nav, .nav-backdrop { display: none !important; }

  .m-actions { display: flex; align-items: center; gap: 10px; }
  .m-quick-btn, .nav-toggle {
    width: 42px; height: 42px;
    display: grid; place-items: center;
    border: 1px solid var(--line-2);
    background: rgba(245,241,232,0.02);
    color: var(--ink);
    transition: all 0.25s ease;
    border-radius: 2px;
  }
  .m-quick-btn { color: var(--gold); position: relative; }
  .m-quick-btn::after {
    content: ""; position: absolute; top: 6px; right: 6px;
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--gold); box-shadow: 0 0 8px var(--gold);
    animation: mPulse 2s ease-in-out infinite;
  }
  @keyframes mPulse { 0%,100% { opacity:1 } 50% { opacity: 0.3 } }
  .m-quick-btn:active { background: var(--gold); color: var(--bg); border-color: var(--gold); transform: scale(0.96); }
  .m-quick-btn svg { width: 18px; height: 18px; }
  .nav-toggle { margin: 0; }
  .nav-toggle:active { transform: scale(0.96); }

  
  .m-dock {
    position: fixed; left: 0; right: 0; bottom: 0;
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
    background: linear-gradient(180deg, rgba(10,10,12,0.3), rgba(10,10,12,0.96) 50%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--line-2);
    display: grid; grid-template-columns: 1fr 1.3fr; gap: 10px;
    z-index: 95;
    transition: transform 0.35s cubic-bezier(.4,0,.2,1), opacity 0.25s ease;
  }
  .m-dock.is-hidden { transform: translateY(120%); opacity: 0; pointer-events: none; }
  .m-dock-btn {
    height: 52px;
    display: flex; align-items: center; justify-content: center; gap: 8px;
    font-size: 15px; letter-spacing: 3px; font-family: var(--f-serif);
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.25s ease;
    border-radius: 2px;
  }
  .m-dock-btn svg { width: 17px; height: 17px; }
  .m-dock-btn.ghost {
    border: 1px solid var(--gold);
    color: var(--gold);
    background: rgba(212,175,55,0.04);
  }
  .m-dock-btn.ghost:active { background: rgba(212,175,55,0.15); transform: scale(0.98); }
  .m-dock-btn.primary {
    background: linear-gradient(135deg, #e8c76b 0%, #d4af37 50%, #b87333 100%);
    color: #14131a;
    box-shadow: 0 8px 24px rgba(212,175,55,0.22), inset 0 1px 0 rgba(255,255,255,0.2);
    position: relative; overflow: hidden;
  }
  .m-dock-btn.primary::before {
    content: ""; position: absolute; top: 0; left: -100%;
    width: 60%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
    animation: mShine 4s ease-in-out infinite;
  }
  @keyframes mShine { 0% { left: -100% } 40%, 100% { left: 200% } }
  .m-dock-btn.primary:active { transform: scale(0.98); box-shadow: 0 4px 14px rgba(212,175,55,0.3); }

  
  .m-sheet {
    position: fixed; inset: 0; z-index: 200;
    background: #08080b;
    opacity: 0; visibility: hidden;
    transform: translateY(16px);
    transition: opacity 0.35s ease, transform 0.45s cubic-bezier(.4,0,.2,1), visibility 0s linear 0.5s;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }
  .m-sheet::before {
    content: ""; position: absolute; inset: 0;
    background:
      radial-gradient(ellipse 90% 60% at 50% 0%, rgba(212,175,55,0.10), transparent 60%),
      radial-gradient(ellipse at bottom left, rgba(184,115,51,0.06), transparent 60%);
    pointer-events: none;
  }
  .m-sheet.open {
    opacity: 1; visibility: visible; transform: translateY(0);
    transition: opacity 0.35s ease, transform 0.45s cubic-bezier(.4,0,.2,1);
  }
  .m-sheet-head {
    display: flex; justify-content: space-between; align-items: center;
    padding: env(safe-area-inset-top) 18px 0;
    height: calc(64px + env(safe-area-inset-top));
    border-bottom: 1px solid var(--line-2);
    position: sticky; top: 0; z-index: 5;
    background: rgba(8,8,11,0.88);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
  }
  .m-close {
    width: 42px; height: 42px; display: grid; place-items: center;
    border: 1px solid var(--line-2); background: rgba(245,241,232,0.02);
    color: var(--ink); transition: all 0.25s ease;
  }
  .m-close:active { background: var(--gold); color: var(--bg); border-color: var(--gold); transform: scale(0.96); }
  .m-close svg { width: 16px; height: 16px; }
  .m-sheet-inner { padding: 28px 20px 40px; position: relative; z-index: 1; }

  
  .m-hero-cta { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 36px; }
  .m-hero-btn {
    padding: 20px 16px; min-height: 100px;
    display: flex; flex-direction: column; justify-content: space-between;
    text-align: left; position: relative;
    transition: transform 0.2s ease, box-shadow 0.25s ease;
  }
  .m-hero-btn:active { transform: scale(0.98); }
  .m-hero-btn b { font-family: var(--f-serif); font-size: 17px; letter-spacing: 3px; font-weight: 600; }
  .m-hero-btn .sub { font-size: 11px; letter-spacing: 2px; margin-top: 4px; }
  .m-hero-btn .arr { position: absolute; right: 14px; bottom: 14px; font-size: 20px; }
  .m-hero-btn.primary {
    background: linear-gradient(145deg, #efd17a 0%, #d4af37 45%, #a66820 100%);
    color: #14131a;
    box-shadow: 0 10px 30px rgba(212,175,55,0.25), inset 0 1px 0 rgba(255,255,255,0.25);
  }
  .m-hero-btn.primary .sub { opacity: 0.72; }
  .m-hero-btn.ghost {
    border: 1px solid var(--line);
    background: linear-gradient(145deg, rgba(245,241,232,0.04), rgba(245,241,232,0.01));
    color: var(--ink);
  }
  .m-hero-btn.ghost b { color: var(--gold); }
  .m-hero-btn.ghost .sub { color: var(--ink-3); }
  .m-hero-btn.ghost .arr { color: var(--gold); }

  
  .m-section-title {
    display: flex; align-items: center; gap: 14px;
    margin: 0 0 20px;
    font-family: var(--f-serif); color: var(--gold);
    font-size: 12px; letter-spacing: 5px; text-transform: uppercase;
  }
  .m-section-title::before, .m-section-title::after {
    content: ""; flex: 1; height: 1px;
    background: linear-gradient(90deg, transparent, var(--line), transparent);
  }

  
  .m-products { display: flex; flex-direction: column; gap: 10px; margin-bottom: 36px; }
  .m-product {
    display: grid; grid-template-columns: 68px 1fr auto;
    gap: 16px; align-items: center; padding: 14px;
    background: linear-gradient(135deg, rgba(245,241,232,0.035), rgba(245,241,232,0.01));
    border: 1px solid var(--line-2);
    transition: all 0.3s ease; position: relative;
  }
  .m-product:active {
    border-color: var(--gold); transform: scale(0.99);
    background: linear-gradient(135deg, rgba(212,175,55,0.08), rgba(212,175,55,0.02));
  }
  .m-product .img {
    width: 68px; height: 68px; background: #0a0a0c;
    display: grid; place-items: center;
    border: 1px solid var(--line-2); overflow: hidden;
  }
  .m-product .img img {
    width: 100%; height: 100%; object-fit: contain; object-position: center center; padding: 6px;
  }
  .m-product .info b {
    display: block; font-family: var(--f-serif);
    font-size: 15px; letter-spacing: 2px; margin-bottom: 6px;
  }
  .m-product .info span {
    display: inline-block; font-size: 10px;
    padding: 2px 10px; border: 1px solid var(--line);
    color: var(--gold); letter-spacing: 2px;
  }
  .m-product .price { text-align: right; font-family: var(--f-serif); }
  .m-product .price small { font-size: 12px; color: var(--ink-3); }
  .m-product .price b { font-size: 20px; color: var(--gold); margin-left: 2px; font-weight: 600; }

  
  .m-links {
    display: grid; grid-template-columns: 1fr 1fr;
    margin-bottom: 32px;
    border: 1px solid var(--line-2);
  }
  .m-links a {
    padding: 18px 16px; min-height: 60px;
    display: flex; align-items: center; gap: 12px;
    font-size: 14px; letter-spacing: 2px; color: var(--ink-2);
    border-right: 1px solid var(--line-2);
    border-bottom: 1px solid var(--line-2);
    transition: all 0.25s ease;
  }
  .m-links a:nth-child(2n) { border-right: none; }
  .m-links a:nth-last-child(-n+2) { border-bottom: none; }
  .m-links a:active, .m-links a.active {
    background: rgba(212,175,55,0.08); color: var(--gold);
  }
  .m-links a .ico {
    color: var(--gold); font-size: 14px; width: 20px;
    display: inline-flex; align-items: center; justify-content: center;
  }

  
  .m-contact {
    padding: 26px 22px;
    background: linear-gradient(145deg, rgba(212,175,55,0.08), rgba(212,175,55,0.02));
    border: 1px solid var(--line);
    text-align: center; position: relative; overflow: hidden;
  }
  .m-contact::before {
    content: ""; position: absolute; inset: 0;
    background: radial-gradient(ellipse at top, rgba(212,175,55,0.12), transparent 55%);
    pointer-events: none;
  }
  .m-contact > * { position: relative; }
  .m-contact .eyebrow {
    font-family: var(--f-serif); color: var(--gold);
    font-size: 11px; letter-spacing: 5px; margin-bottom: 14px;
  }
  .m-contact .phone {
    font-family: var(--f-serif); font-size: 24px;
    letter-spacing: 3px; color: var(--ink); margin-bottom: 8px;
  }
  .m-contact .sub { font-size: 11px; color: var(--ink-3); letter-spacing: 1.5px; margin-bottom: 18px; }
  .m-contact .wx-btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 13px 30px; min-height: 46px;
    border: 1px solid var(--gold); color: var(--gold);
    font-size: 13px; letter-spacing: 3px;
    transition: all 0.3s ease;
  }
  .m-contact .wx-btn:active { background: var(--gold); color: var(--bg); transform: scale(0.98); }
}

@media (max-width: 720px) and (max-height: 680px) {
  .m-sheet-inner { padding: 22px 20px 32px; }
  .m-hero-cta { margin-bottom: 28px; }
  .m-hero-btn { min-height: 88px; padding: 16px 14px; }
  .m-products { margin-bottom: 28px; }
  .m-links { margin-bottom: 24px; }
}

@media (min-width: 721px) {
  .m-actions, .m-sheet, .m-dock, .m-quick-btn { display: none !important; }
}

@media (max-width: 720px) {
  .section, .features, .cta-band, .pd-main, .pd-features, .about-section { padding: 70px 0; }
  .section-head { margin-bottom: 50px; }
  .product-grid, .product-grid.feat-5 { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature { border-right: none; border-bottom: 1px solid var(--line-2); }
  .feature:last-child { border-bottom: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; margin-bottom: 40px; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
  .tl-item { grid-template-columns: 1fr; gap: 10px; }
  .hero-stats { position: static; margin-top: 30px; }
  .page-hero { padding: 130px 0 60px; }
  .compare-table th, .compare-table td { padding: 12px 14px; font-size: 13px; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal { opacity: 0; }
.reveal.in { animation: fadeUp 0.9s ease forwards; }

.wx-modal {
  position: fixed; inset: 0; z-index: 999;
  display: none; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0; transition: opacity 0.3s ease;
}
.wx-modal.open { display: flex; opacity: 1; }
.wx-modal__mask {
  position: absolute; inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.wx-modal__box {
  position: relative;
  width: 100%; max-width: 420px;
  background: #ffffff;
  border-radius: 18px;
  padding: 44px 40px 36px;
  text-align: center;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.5);
  animation: wxPop 0.35s cubic-bezier(0.2, 0.8, 0.3, 1.2);
}
@keyframes wxPop {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.wx-modal__close {
  position: absolute; top: 14px; right: 14px;
  width: 34px; height: 34px; border-radius: 50%;
  background: #f0f0f0; color: #333;
  display: grid; place-items: center;
  font-size: 18px; line-height: 1;
  transition: background 0.2s ease;
}
.wx-modal__close:hover { background: #e0e0e0; }
.wx-modal h3 {
  font-size: 22px; color: #111; margin-bottom: 10px;
  font-weight: 700; letter-spacing: 1px;
  font-family: var(--f-serif);
}
.wx-modal__sub {
  font-size: 14px; color: #888; margin-bottom: 28px;
  letter-spacing: 0.5px;
}
.wx-modal__qr {
  width: 260px; height: 260px;
  margin: 0 auto 24px;
  background: #f8f8f8; border: 1px solid #eee;
  border-radius: 8px;
  display: grid; place-items: center;
  overflow: hidden;
  position: relative;
}
.wx-modal__qr img { width: 100%; height: 100%; object-fit: contain; }
.wx-modal__qr-fallback {
  width: 100%; height: 100%;
  background:
    repeating-linear-gradient(0deg, #111 0 8px, transparent 8px 16px),
    repeating-linear-gradient(90deg, #111 0 8px, transparent 8px 16px);
  position: relative;
}
.wx-modal__qr-fallback::after {
  content: "微信扫码";
  position: absolute; inset: 0;
  display: grid; place-items: center;
  color: #fff; font-size: 16px; letter-spacing: 4px;
  background: rgba(0, 0, 0, 0.4);
}
.wx-modal p {
  color: #555; font-size: 15px; line-height: 1.8;
  margin-bottom: 4px;
}
.wx-modal__status {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 22px;
  padding: 9px 18px;
  background: #e8f6eb; color: #1a8a3a;
  border-radius: 20px;
  font-size: 13px; font-weight: 600;
  letter-spacing: 0.5px;
}
.wx-modal__status::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
  animation: wxPulse 1.6s ease-in-out infinite;
}
@keyframes wxPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

body.wx-open { overflow: hidden; }

.contact-qr-hero {
  padding: 80px 0 100px;
}
.contact-qr-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 70px;
  align-items: center;
}
.contact-qr-card {
  background: #fff;
  padding: 56px 48px 48px;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.5);
}
.contact-qr-card h2 {
  font-family: var(--f-serif);
  color: #111; font-size: 28px; letter-spacing: 2px;
  margin-bottom: 10px; font-weight: 700;
}
.contact-qr-card .sub { color: #888; font-size: 14px; margin-bottom: 32px; }
.contact-qr-card .qr-img {
  width: 280px; height: 280px; margin: 0 auto 24px;
  background: #f8f8f8; border: 1px solid #eee;
  border-radius: 10px; overflow: hidden;
  display: grid; place-items: center;
}
.contact-qr-card .qr-img img { width: 100%; height: 100%; object-fit: contain; }
.contact-qr-card p { color: #555; font-size: 15px; line-height: 1.9; }
.contact-qr-card .status {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 24px; padding: 10px 20px;
  background: #e8f6eb; color: #1a8a3a;
  border-radius: 22px; font-size: 14px; font-weight: 600;
}
.contact-qr-card .status::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: #22c55e; animation: wxPulse 1.6s ease-in-out infinite;
}

.contact-side h2 { font-family: var(--f-serif); font-size: clamp(32px, 4vw, 46px); letter-spacing: 3px; margin-bottom: 22px; }
.contact-side p { color: var(--ink-2); font-size: 15px; margin-bottom: 18px; }
.contact-side ul { list-style: none; margin-top: 30px; }
.contact-side li {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 0; border-bottom: 1px solid var(--line-2);
  color: var(--ink-2); font-size: 14px;
}
.contact-side li span:first-child {
  color: var(--gold); font-family: var(--f-serif); letter-spacing: 2px; font-size: 13px;
  min-width: 86px;
}

.faq-wrap { max-width: 880px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--line-2);
  padding: 4px 0;
}
.faq-q {
  width: 100%; text-align: left;
  padding: 26px 0;
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  font-family: var(--f-serif); font-size: 17px; color: var(--ink);
  letter-spacing: 1px; cursor: pointer;
  transition: color 0.3s ease;
}
.faq-q:hover { color: var(--gold); }
.faq-q .plus {
  color: var(--gold); font-size: 22px; flex-shrink: 0;
  transition: transform 0.35s ease;
}
.faq-item.open .faq-q .plus { transform: rotate(45deg); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease;
  color: var(--ink-3); font-size: 14px; line-height: 1.9;
}
.faq-item.open .faq-a { max-height: 300px; }
.faq-a > div { padding: 0 0 28px; padding-right: 40px; }

img.img-fallback { background: linear-gradient(145deg, var(--bg-2), var(--bg-3)); }
.product-img {
  width: 100%; height: 100%;
  display: grid; place-items: center;
}

.hub-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
  margin-bottom: 80px;
}
.hub-card {
  position: relative; overflow: hidden;
  padding: 44px 36px 40px;
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
  border: 1px solid var(--line-2);
  transition: all 0.4s ease;
  display: flex; flex-direction: column;
}
.hub-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0; transition: opacity 0.4s ease;
}
.hub-card:hover { border-color: var(--gold-soft); transform: translateY(-6px); box-shadow: var(--shadow); }
.hub-card:hover::before { opacity: 1; }
.hub-card .num {
  font-family: var(--f-serif); color: var(--gold);
  font-size: 14px; letter-spacing: 3px; margin-bottom: 20px;
}
.hub-card .ch {
  font-family: var(--f-serif); color: var(--gold);
  font-size: 60px; letter-spacing: 6px; line-height: 1;
  margin-bottom: 24px; font-weight: 900;
  opacity: 0.9;
}
.hub-card h3 {
  font-family: var(--f-serif); font-size: 22px;
  letter-spacing: 1px; margin-bottom: 14px;
}
.hub-card p { color: var(--ink-3); font-size: 14px; flex: 1; margin-bottom: 22px; }
.hub-card .more {
  color: var(--ink-2); font-size: 13px; letter-spacing: 2px;
  display: inline-flex; align-items: center; gap: 8px;
  padding-top: 18px; border-top: 1px solid var(--line-2);
  transition: color 0.3s ease;
}
.hub-card:hover .more { color: var(--gold); }

.article {
  max-width: 820px; margin: 0 auto;
  color: var(--ink-2); font-size: 16px; line-height: 1.9;
}
.article h2 {
  font-family: var(--f-serif); font-size: 30px;
  color: var(--ink); letter-spacing: 2px; margin: 56px 0 20px;
  padding-bottom: 14px; border-bottom: 1px solid var(--line-2);
  font-weight: 700;
}
.article h2::before {
  content: ""; display: inline-block; width: 4px; height: 22px;
  background: var(--gold); margin-right: 14px; vertical-align: -2px;
}
.article h3 {
  font-family: var(--f-serif); font-size: 20px; color: var(--ink);
  letter-spacing: 1px; margin: 34px 0 14px; font-weight: 600;
}
.article p { margin-bottom: 18px; }
.article ul, .article ol { margin: 0 0 22px 22px; }
.article li { margin-bottom: 10px; }
.article strong { color: var(--ink); font-weight: 600; }
.article em { color: var(--gold); font-style: normal; }
.article blockquote {
  border-left: 3px solid var(--gold);
  padding: 6px 0 6px 22px; margin: 24px 0;
  color: var(--ink); font-family: var(--f-serif);
  font-size: 17px; font-style: italic;
}
.article .callout {
  padding: 24px 28px; margin: 28px 0;
  background: rgba(212, 175, 55, 0.05);
  border: 1px solid var(--gold-soft);
  border-left: 3px solid var(--gold);
  color: var(--ink-2); font-size: 15px;
}
.article .callout b { color: var(--gold); font-family: var(--f-serif); letter-spacing: 1px; }
.article .callout--warn { background: rgba(220, 80, 60, 0.06); border-color: rgba(220, 80, 60, 0.3); border-left-color: #dc504a; }
.article .callout--warn b { color: #e87a6f; }

.steps { counter-reset: step; list-style: none; margin: 20px 0 30px; padding: 0; }
.steps li {
  counter-increment: step;
  position: relative;
  padding: 22px 26px 22px 76px;
  background: var(--bg-2); border: 1px solid var(--line-2);
  margin-bottom: 14px;
  color: var(--ink-2); font-size: 15px;
}
.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute; left: 24px; top: 20px;
  font-family: var(--f-serif); font-size: 22px; font-weight: 700;
  color: var(--gold); letter-spacing: 1px;
}
.steps li b { display: block; color: var(--ink); font-family: var(--f-serif); font-size: 17px; margin-bottom: 6px; letter-spacing: 1px; }

.check-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin: 30px 0; }
.check-item {
  padding: 26px 28px;
  background: var(--bg-2); border: 1px solid var(--line-2);
  display: flex; gap: 18px; align-items: flex-start;
}
.check-item .icon {
  flex-shrink: 0; width: 36px; height: 36px;
  display: grid; place-items: center;
  border: 1px solid var(--gold); color: var(--gold);
  font-family: var(--f-serif); font-size: 18px; font-weight: 700;
}
.check-item.warn .icon { border-color: #dc504a; color: #e87a6f; }
.check-item h4 { font-family: var(--f-serif); font-size: 16px; color: var(--ink); margin-bottom: 6px; letter-spacing: 1px; }
.check-item p { color: var(--ink-3); font-size: 14px; }

.news-list { display: flex; flex-direction: column; gap: 0; }
.news-item {
  display: grid; grid-template-columns: 160px 1fr auto; gap: 40px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line-2);
  align-items: center;
  transition: background 0.3s ease;
}
.news-item:hover { background: rgba(212, 175, 55, 0.03); }
.news-item .date {
  font-family: var(--f-serif); color: var(--gold);
  font-size: 22px; letter-spacing: 1px;
}
.news-item .date small { display: block; font-size: 12px; color: var(--ink-3); letter-spacing: 3px; margin-top: 4px; }
.news-item h3 {
  font-family: var(--f-serif); font-size: 19px;
  color: var(--ink); margin-bottom: 6px; letter-spacing: 1px;
  transition: color 0.3s ease;
}
.news-item:hover h3 { color: var(--gold); }
.news-item .tag {
  display: inline-block; margin-right: 10px;
  font-size: 11px; letter-spacing: 2px;
  color: var(--gold); border: 1px solid var(--gold);
  padding: 2px 8px;
}
.news-item p { color: var(--ink-3); font-size: 14px; }
.news-item .arrow {
  font-family: var(--f-serif); color: var(--gold);
  font-size: 22px; transition: transform 0.3s ease;
}
.news-item:hover .arrow { transform: translateX(6px); }

.gallery-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.gallery-item {
  aspect-ratio: 4/5; position: relative; overflow: hidden;
  background: linear-gradient(145deg, var(--bg-2), var(--bg-3));
  border: 1px solid var(--line-2);
  display: grid; place-items: center;
  transition: all 0.4s ease;
}
.gallery-item:hover { border-color: var(--gold-soft); transform: translateY(-4px); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; }
.gallery-item .ph-ch {
  font-family: var(--f-serif); color: var(--gold);
  font-size: clamp(32px, 5vw, 72px); letter-spacing: 8px;
  opacity: 0.8;
}
.gallery-item .caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 20px 22px;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.85));
  color: var(--ink);
}
.gallery-item .caption b { display: block; font-family: var(--f-serif); font-size: 16px; letter-spacing: 1px; }
.gallery-item .caption span { color: var(--ink-3); font-size: 12px; letter-spacing: 2px; }

.tabs {
  display: flex; gap: 0; flex-wrap: wrap;
  border-bottom: 1px solid var(--line-2);
  margin-bottom: 40px;
}
.tabs a {
  padding: 16px 28px;
  color: var(--ink-3); font-size: 14px; letter-spacing: 2px;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
  margin-bottom: -1px;
}
.tabs a:hover { color: var(--ink); }
.tabs a.active { color: var(--gold); border-bottom-color: var(--gold); }

@media (max-width: 1024px) {
  .hub-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .check-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .hub-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 1fr; gap: 10px; padding: 22px 0; }
  .news-item .arrow { display: none; }
  .article h2 { font-size: 24px; margin: 40px 0 16px; }
  .tabs { overflow-x: auto; flex-wrap: nowrap; }
  .tabs a { flex-shrink: 0; padding: 14px 18px; }
}

.marquee-wrap {
  padding: 50px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line-2);
  overflow: hidden;
  position: relative;
}
.marquee-wrap::before,
.marquee-wrap::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 140px; z-index: 2;
  pointer-events: none;
}
.marquee-wrap::before { left: 0; background: linear-gradient(90deg, var(--bg-2), transparent); }
.marquee-wrap::after { right: 0; background: linear-gradient(270deg, var(--bg-2), transparent); }
.marquee-label {
  text-align: center; margin-bottom: 30px;
  color: var(--gold); font-size: 12px; letter-spacing: 5px; text-transform: uppercase;
}
.marquee-label::before,
.marquee-label::after {
  content: "—"; margin: 0 14px; color: var(--line); opacity: 0.6;
}
.marquee {
  display: flex; gap: 60px; width: max-content;
  animation: marqueeScroll 40s linear infinite;
}
.marquee:hover { animation-play-state: paused; }
.marquee-item {
  flex-shrink: 0;
  font-family: var(--f-serif); font-size: 22px;
  color: var(--ink-3); letter-spacing: 2px;
  padding: 14px 28px;
  border: 1px solid var(--line-2);
  transition: all 0.3s ease;
  display: flex; align-items: center; gap: 12px;
  white-space: nowrap;
}
.marquee-item:hover { color: var(--gold); border-color: var(--gold-soft); }
.marquee-item::before {
  content: "◆"; color: var(--gold); font-size: 10px; opacity: 0.7;
}
@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(calc(-50% - 30px)); }
}

.home-video-section {
  padding: 72px 0 96px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--line-2);
  position: relative;
}
.home-video-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(212, 175, 55, 0.05), transparent 60%);
  pointer-events: none;
}
.home-video-section .section-head {
  margin-bottom: 42px;
}
.home-video-section .section-head h2 {
  font-size: clamp(30px, 4vw, 46px);
  margin-bottom: 0;
}
.home-video-shell {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18,18,22,0.98), rgba(10,10,12,0.98));
  box-shadow: 0 24px 60px rgba(0,0,0,0.35);
}
.home-video-shell::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid var(--gold-soft);
  pointer-events: none;
}
.home-video-player {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: cover;
  background: #050505;
  border: 1px solid var(--line-2);
}

.core-value {
  padding: 130px 0;
  border-top: 1px solid var(--line-2);
  background:
    radial-gradient(ellipse at 20% 20%, rgba(212, 175, 55, 0.06), transparent 50%),
    var(--bg);
}
.cv-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px;
}
.cv-card {
  position: relative; overflow: hidden;
  padding: 56px 50px;
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
  border: 1px solid var(--line-2);
  min-height: 420px;
  display: flex; flex-direction: column;
}
.cv-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.cv-card .tag {
  color: var(--gold); font-size: 12px; letter-spacing: 4px;
  margin-bottom: 22px; text-transform: uppercase;
}
.cv-card h3 {
  font-family: var(--f-serif); font-size: 30px;
  letter-spacing: 2px; margin-bottom: 20px;
  line-height: 1.3; font-weight: 700;
}
.cv-card p {
  color: var(--ink-2); font-size: 15px; line-height: 1.9;
  margin-bottom: 18px;
}
.cv-card .big-char {
  position: absolute; right: 30px; bottom: 20px;
  font-family: var(--f-serif); font-size: 220px;
  color: rgba(212, 175, 55, 0.05);
  line-height: 1; font-weight: 900;
  pointer-events: none; user-select: none;
}
.cv-card ul { list-style: none; margin-top: auto; padding-top: 20px; }
.cv-card li {
  color: var(--ink-3); font-size: 14px; margin-bottom: 10px;
  padding-left: 20px; position: relative;
}
.cv-card li::before {
  content: "✦"; position: absolute; left: 0; color: var(--gold);
}

.stats-band {
  padding: 90px 0;
  border-top: 1px solid var(--line-2);
  background: linear-gradient(180deg, var(--bg), var(--bg-2));
}
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  border: 1px solid var(--line);
  background: var(--bg-2);
}
.stat {
  padding: 44px 30px;
  border-right: 1px solid var(--line-2);
  text-align: center;
  transition: background 0.3s ease;
}
.stat:last-child { border-right: none; }
.stat:hover { background: rgba(212, 175, 55, 0.03); }
.stat b {
  display: block;
  font-family: var(--f-serif); font-weight: 700;
  font-size: clamp(40px, 5vw, 64px);
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 1px; line-height: 1;
  margin-bottom: 12px;
}
.stat small {
  display: inline-block;
  font-size: 16px; color: var(--gold); font-family: var(--f-serif);
  vertical-align: super;
}
.stat span {
  color: var(--ink-3); font-size: 13px;
  letter-spacing: 3px; text-transform: uppercase;
}

.reviews {
  padding: 130px 0;
  border-top: 1px solid var(--line-2);
}
.reviews-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.review {
  padding: 36px 34px 30px;
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
  border: 1px solid var(--line-2);
  position: relative;
  transition: all 0.3s ease;
}
.review:hover { border-color: var(--gold-soft); transform: translateY(-4px); }
.review .quote {
  position: absolute; top: 20px; right: 28px;
  font-family: var(--f-serif); color: var(--gold);
  font-size: 54px; line-height: 1; opacity: 0.3;
}
.review .stars {
  color: var(--gold); font-size: 14px; margin-bottom: 18px;
  letter-spacing: 2px;
}
.review p {
  color: var(--ink-2); font-size: 14px; line-height: 1.9;
  margin-bottom: 28px;
}
.review-meta {
  display: flex; align-items: center; gap: 14px;
  padding-top: 22px; border-top: 1px solid var(--line-2);
}
.review-avatar {
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: 50%; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--bg-3), var(--bg-2));
  border: 1px solid var(--gold-soft);
  font-family: var(--f-serif); color: var(--gold);
  font-size: 18px; font-weight: 700;
}
.review-meta b {
  display: block; font-family: var(--f-serif);
  color: var(--ink); font-size: 15px; letter-spacing: 1px;
}
.review-meta span {
  color: var(--ink-3); font-size: 12px; letter-spacing: 1px;
}

.cert-band {
  padding: 100px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line-2);
}
.cert-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 0;
  border: 1px solid var(--line);
  margin-top: 50px;
}
.cert {
  padding: 36px 20px;
  text-align: center;
  border-right: 1px solid var(--line-2);
  transition: all 0.3s ease;
}
.cert:last-child { border-right: none; }
.cert:hover { background: rgba(212, 175, 55, 0.04); }
.cert b {
  display: block;
  font-family: var(--f-serif); color: var(--gold);
  font-size: 20px; letter-spacing: 2px; margin-bottom: 8px;
  font-weight: 700;
}
.cert span {
  color: var(--ink-3); font-size: 12px; letter-spacing: 1px;
}

.rating {
  display: inline-flex; align-items: center; gap: 12px;
  margin: 10px 0 24px;
  padding: 10px 18px;
  border: 1px solid var(--gold-soft);
  background: rgba(212, 175, 55, 0.04);
}
.rating .score {
  font-family: var(--f-serif); color: var(--gold);
  font-size: 22px; font-weight: 700; letter-spacing: 1px;
}
.rating .stars { color: var(--gold); font-size: 14px; letter-spacing: 3px; }
.rating .count { color: var(--ink-3); font-size: 12px; letter-spacing: 1px; }

.fit-for {
  margin: 28px 0;
  padding: 24px 28px;
  background: rgba(212, 175, 55, 0.04);
  border-left: 3px solid var(--gold);
}
.fit-for b {
  display: block; color: var(--gold); font-family: var(--f-serif);
  font-size: 13px; letter-spacing: 3px; margin-bottom: 8px;
  text-transform: uppercase;
}
.fit-for span { color: var(--ink-2); font-size: 14px; line-height: 1.9; }

.inline-badges {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: 18px 0 28px;
}
.inline-badge {
  font-size: 11px; letter-spacing: 2px;
  color: var(--gold); border: 1px solid var(--gold-soft);
  padding: 5px 11px;
  background: rgba(212, 175, 55, 0.04);
}

@media (max-width: 1024px) {
  .cv-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line-2); }
  .reviews-grid { grid-template-columns: 1fr 1fr; }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .cert:nth-child(3) { border-right: none; }
  .cert:nth-child(1), .cert:nth-child(2), .cert:nth-child(3) { border-bottom: 1px solid var(--line-2); }
}
@media (max-width: 720px) {
  .cv-card { padding: 40px 28px; min-height: auto; }
  .cv-card .big-char { font-size: 140px; right: 15px; bottom: 10px; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat { border-right: none; border-bottom: 1px solid var(--line-2); }
  .stat:last-child { border-bottom: none; }
  .reviews-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .cert { border-right: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); }
  .cert:nth-child(even) { border-right: none; }
  .marquee-item { font-size: 17px; padding: 10px 18px; }
}

@media (max-width: 1024px) {
  .contact-qr-grid { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 720px) {
  .wx-modal__box { padding: 36px 24px 28px; }
  .wx-modal__qr { width: 220px; height: 220px; }
  .contact-qr-card { padding: 40px 28px 32px; }
  .contact-qr-card .qr-img { width: 230px; height: 230px; }
}

.pd-main--refined { padding: 92px 0 40px; }
.pd-grid-refined { gap: 56px; align-items: start; }
.pd-stage-wrap {
  padding: 22px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(18,18,22,0.96), rgba(10,10,12,0.98));
  box-shadow: var(--shadow);
}
.pd-stage-top {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 18px; gap: 12px; flex-wrap: wrap;
}
.pd-stage-tag {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 34px; padding: 0 14px; border: 1px solid var(--line);
  color: var(--gold); font-size: 12px; letter-spacing: 2px;
  background: rgba(212,175,55,0.06);
}
.pd-stage-tag.muted { color: var(--ink-3); background: rgba(245,241,232,0.02); }
.pd-gallery-stage {
  width: 100%;
  aspect-ratio: 1 / 1;
  min-height: 0;
  border: 1px solid var(--line-2);
  background:
    radial-gradient(ellipse at top, rgba(212,175,55,0.12), transparent 55%),
    linear-gradient(145deg, #131319, #0b0b0f);
  display: grid; place-items: center;
  overflow: hidden;
  position: relative;
  padding: clamp(16px, 3vw, 28px);
}
.pd-gallery-stage::before {
  content: ""; position: absolute; inset: 18px;
  border: 1px solid rgba(212,175,55,0.08);
  pointer-events: none;
}
.pd-main-image {
  transition: opacity 0.28s ease, transform 0.28s ease;

  width: min(100%, 560px);
  height: min(100%, 560px);
  max-width: calc(100% - 8px);
  max-height: calc(100% - 8px);
  object-fit: contain;
  object-position: center center;
  filter: drop-shadow(0 40px 60px rgba(0,0,0,0.6));
}
.pd-main-fallback {
  display: grid;
  place-items: center;
  width: min(100%, 560px);
  height: min(100%, 560px);
  max-width: calc(100% - 8px);
  max-height: calc(100% - 8px);
}
.pd-main-fallback[hidden] { display: none !important; }
.pd-main-fallback:not([hidden]) { display: grid; }
.pd-main-image.is-switching { opacity: 0.12; transform: scale(0.994); }
.pd-main-fallback .device-mock { width: min(42%, 300px); }
.pd-main-fallback .device-mock.wide { width: min(48%, 360px); }
.pd-gallery-note {
  color: var(--ink-3); font-size: 13px; line-height: 1.9;
  padding: 16px 2px 0;
}
.pd-thumbs {
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px; margin-top: 20px;
}
.pd-thumb {
  border: 1px solid var(--line-2);
  background: rgba(255,255,255,0.01);
  min-height: 104px; padding: 10px;
  display: grid; place-items: center;
  transition: all 0.25s ease;
  position: relative;
}
.pd-thumb:hover, .pd-thumb.is-active { border-color: var(--gold); box-shadow: var(--shadow-gold); }
.pd-thumb img {
  width: 100%;
  aspect-ratio: 1 / 1;
  height: auto;
  max-height: 82px;
  object-fit: contain;
  object-position: center center;
  filter: drop-shadow(0 8px 16px rgba(0,0,0,0.35));
}
.pd-thumb-text {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border: 1px solid var(--gold);
  color: var(--gold); font-family: var(--f-serif); letter-spacing: 2px;
}
.pd-copy { color: var(--ink-2); margin: 22px 0 0; }
.pd-hero-note {
  margin-top: 18px; padding-left: 16px; border-left: 1px solid var(--gold);
  color: var(--ink-3); font-size: 14px;
}
.pd-trust-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 28px 0 18px;
}
.pd-trust-card {
  padding: 18px 16px; background: rgba(255,255,255,0.02);
  border: 1px solid var(--line-2); min-height: 100px;
}
.pd-trust-card b {
  display: block; color: var(--gold); font-family: var(--f-serif);
  letter-spacing: 2px; margin-bottom: 10px; font-size: 15px;
}
.pd-trust-card span { color: var(--ink-3); font-size: 13px; line-height: 1.8; }
.pd-specs-compact { margin-top: 28px; }
.fit-for-rich {
  margin-top: 30px; padding: 22px; background: rgba(212,175,55,0.05); border: 1px solid var(--line);
}
.fit-for-rich b {
  display: block; color: var(--gold); font-family: var(--f-serif);
  margin-bottom: 14px; letter-spacing: 3px;
}
.fit-for-rich ul { list-style: none; display: grid; gap: 10px; }
.fit-for-rich li { color: var(--ink-2); padding-left: 18px; position: relative; }
.fit-for-rich li::before {
  content: "✦"; position: absolute; left: 0; top: 0; color: var(--gold); font-size: 12px;
}
.pd-mini-links {
  display: flex; gap: 18px; flex-wrap: wrap; margin-top: 20px;
}
.pd-mini-links a {
  color: var(--ink-3); font-size: 13px; border-bottom: 1px solid transparent;
}
.pd-mini-links a:hover { color: var(--gold); border-bottom-color: var(--gold); }
.pd-rich-strip { padding-top: 30px; }
.pd-rich-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pd-rich-card {
  padding: 28px; border: 1px solid var(--line-2); background: var(--surface);
}
.pd-rich-card .eyebrow {
  color: var(--gold); font-size: 11px; letter-spacing: 4px; text-transform: uppercase;
}
.pd-rich-card h3 {
  font-family: var(--f-serif); font-size: 24px; letter-spacing: 1px; margin: 16px 0 14px;
}
.pd-rich-card p { color: var(--ink-3); font-size: 14px; line-height: 1.9; }
.pd-video-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 18px;
  padding: 2px 10px 0;
}
.pd-video-title {
  margin: 0;
  font-family: var(--f-serif);
  font-size: clamp(24px, 2.7vw, 36px);
  line-height: 1.2;
  letter-spacing: 0.5px;
  color: var(--ink);
}
.pd-video-subtitle {
  margin: 10px 0 0;
  color: var(--ink-2);
  font-size: clamp(13px, 1.2vw, 16px);
  line-height: 1.7;
}
.pd-video-section { padding: 42px 0 52px; background: var(--bg-2); border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); }
.pd-video-shell {
  max-width: 940px; margin: 0 auto; padding: 20px; border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18,18,22,0.98), rgba(10,10,12,0.98));
}
.pd-video-player {
  width: 100%; aspect-ratio: 16 / 9; background: #050505; display: block;
  border: 1px solid var(--line-2); border-radius: 18px; overflow: hidden;
}
.pd-video-tip {
  color: var(--ink-3); font-size: 13px; line-height: 1.9; margin-top: 14px;
}
.pd-detail-table td { vertical-align: top; }
@media (max-width: 1024px) {
  .pd-trust-grid, .pd-rich-grid { grid-template-columns: 1fr; }
  .pd-gallery-stage { max-width: min(100%, 640px); margin: 0 auto; }
}
@media (max-width: 720px) {
  .pd-main--refined { padding: 70px 0 20px; }
  .pd-stage-wrap { padding: 14px; }
  .pd-gallery-stage { max-width: 100%; padding: 14px; }
  .pd-main-image,
  .pd-main-fallback {
    width: min(100%, 420px);
    height: min(100%, 420px);
    max-width: calc(100% - 8px);
    max-height: calc(100% - 8px);
  }
  .pd-thumbs { grid-template-columns: repeat(5, minmax(56px, 1fr)); gap: 10px; }
  .pd-thumb { min-height: 78px; padding: 6px; }
  .pd-thumb img { height: 54px; }
  .pd-thumb-text { width: 34px; height: 34px; font-size: 12px; }
  .pd-mini-links { flex-direction: column; gap: 8px; }
  .fit-for-rich { padding: 18px; }
  .pd-video-section { padding: 34px 0 38px; }
  .pd-video-shell { padding: 14px; }
  .pd-video-head { margin-bottom: 14px; padding: 0 4px; }
  .pd-video-title { font-size: 22px; }
  .pd-video-subtitle { font-size: 13px; line-height: 1.65; }
}


.pd-stage-top,
.pd-gallery-note,
.pd-thumb-text { display: none !important; }

.pd-purchase-box {
  margin: 22px 0 26px;
  padding: 22px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(212,175,55,0.08), rgba(212,175,55,0.02) 26%, rgba(255,255,255,0.01) 100%),
    linear-gradient(145deg, rgba(18,18,22,0.98), rgba(10,10,12,0.99));
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.pd-purchase-box::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212,175,55,0.7), transparent);
}
.pd-purchase-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.pd-purchase-kicker {
  display: block;
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.pd-purchase-head strong {
  display: block;
  font-family: var(--f-serif);
  font-size: 22px;
  line-height: 1.3;
  letter-spacing: 1px;
  color: var(--ink);
}
.pd-purchase-meta {
  color: var(--ink-3);
  font-size: 12px;
  letter-spacing: 2px;
  padding: 10px 12px;
  border: 1px solid var(--line-2);
  background: rgba(255,255,255,0.02);
}
.pd-quick-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}
.pd-quick-points span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--line-2);
  background: rgba(255,255,255,0.02);
  color: var(--ink-2);
  font-size: 13px;
}
.pd-quick-points span::before {
  content: "✦";
  color: var(--gold);
  margin-right: 8px;
  font-size: 11px;
}
.pd-purchase-box .pd-actions { margin-top: 0; }
.pd-purchase-box .btn { flex: 1 1 0; justify-content: center; }
.pd-mini-links--top {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line-2);
}
.pd-mini-links--top a { font-size: 12px; letter-spacing: 1px; }

@media (max-width: 1024px) {
  .pd-purchase-head strong { font-size: 22px; }
}
@media (max-width: 720px) {
  .pd-purchase-box { padding: 18px; margin: 18px 0 24px; }
  .pd-purchase-head strong { font-size: 20px; }
  .pd-purchase-meta { width: 100%; }
  .pd-quick-points { gap: 8px; }
  .pd-quick-points span { min-height: 32px; padding: 0 10px; font-size: 12px; }
  .pd-purchase-box .pd-actions { flex-direction: column; }
  
}


.card-image img,
.pd-main-image,
.pd-thumb img,
.m-product .img img {
  image-rendering: auto;
}

.pd-main--refined .pd-copy,
.pd-main--refined .pd-hero-note,
.pd-main--refined .fit-for-rich { display: none !important; }

.skip-link{position:absolute;left:16px;top:-48px;z-index:300;padding:10px 14px;background:var(--gold);color:var(--bg);border-radius:2px;font-size:13px;letter-spacing:1px;}
.skip-link:focus{top:16px;}
.nav a[aria-current="page"]{color:var(--gold);}
.nav a[aria-current="page"]::after{content:"";position:absolute;bottom:0;left:20px;right:20px;height:1px;background:var(--gold);}