:root {
  --ink: #071018;
  --navy: #10233f;
  --blue: #1b4fbf;
  --gold: #c6a15b;
  --gold-soft: #e8d4a4;
  --paper: #f5f7fb;
  --card: #ffffff;
  --text: #122033;
  --muted: #5d6b7c;
  --line: #e4e9f0;
  --max: 1180px;
  --header-h: 76px;
  --radius: 22px;
  --shadow: 0 18px 50px rgba(16, 35, 63, 0.1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

html,
body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--text);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

body { min-height: 100vh; }

a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
img { max-width: 100%; display: block; }
h1, h2, h3, p { margin: 0; }

.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 8px 24px rgba(7, 16, 24, 0.04);
}

.header-inner {
  height: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 160px;
}

.logo img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.logo-mark {
  font-size: 24px;
  font-weight: 760;
  letter-spacing: 0.08em;
}

.logo-en {
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--muted);
}

.nav {
  display: flex;
  gap: 36px;
}

.nav a {
  position: relative;
  padding: 8px 0;
  font-size: 15px;
}

.nav a.active,
.nav a:hover { color: var(--blue); }

.nav a.active::after,
.nav a:hover::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 22px;
  height: 2px;
  transform: translateX(-50%);
  background: var(--blue);
}

.header-cta {
  justify-self: end;
}

body[data-page="home"] .header-cta {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--line);
  height: 38px;
}

body[data-page="home"] .header-cta:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  border: 0;
  cursor: pointer;
}

.btn.gold { background: linear-gradient(135deg, #d8b56a, #b48a3b); color: #1b1408; }
.btn.ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  position: relative;
}

.menu-toggle span::before,
.menu-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-toggle span::before { top: -6px; }
.menu-toggle span::after { top: 6px; }

.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  color: #fff;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 30%, rgba(198, 161, 91, 0.22), transparent 24%),
    linear-gradient(135deg, #071018 0%, #10233f 52%, #071018 100%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 120px;
  background: linear-gradient(180deg, transparent, var(--paper));
}

.hero-inner {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - var(--header-h));
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  padding: 56px 0 80px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid rgba(198, 161, 91, 0.45);
  color: var(--gold-soft);
  font-size: 13px;
  letter-spacing: 0.08em;
  margin-bottom: 22px;
}

.hero h1 {
  font-size: clamp(40px, 5vw, 68px);
  line-height: 1.12;
  font-weight: 720;
  letter-spacing: 0.02em;
}

.hero h1 em {
  font-style: normal;
  color: var(--gold);
}

.hero p.lead {
  max-width: 540px;
  margin: 22px 0 32px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 17px;
  line-height: 1.85;
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-photo {
  position: relative;
  display: grid;
  place-items: center;
}

.hero-photo img {
  width: min(520px, 100%);
  filter: drop-shadow(0 30px 50px rgba(0, 0, 0, 0.45));
}

.hero-pair {
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: end;
  width: 100%;
}

.hero-pair figure {
  margin: 0;
  padding: 18px 12px 14px;
  background: #fff;
  border-radius: 20px;
  text-align: center;
}

.hero-pair img {
  width: 100%;
  filter: none;
}

.hero-pair figcaption {
  margin-top: 8px;
  color: var(--navy);
  font-size: 14px;
  font-weight: 600;
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.pain-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 22px 20px;
  box-shadow: var(--shadow);
}

.pain-card strong {
  display: block;
  font-size: 18px;
  margin-bottom: 8px;
}

.pain-card p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 14px;
}

.sanzhen-posters {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 18px;
}

.sanzhen-posters img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.colorway-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.colorway-card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.colorway-card .shot {
  background: #f3f5f8;
  padding: 28px 20px;
  display: grid;
  place-items: center;
  min-height: 320px;
}

.colorway-card img {
  max-height: 280px;
  width: auto;
}

.colorway-card .meta {
  padding: 20px 24px 24px;
}

.colorway-card h3 {
  margin-bottom: 8px;
  font-size: 22px;
}

.colorway-card p {
  color: var(--muted);
  line-height: 1.7;
}

.swatch-row {
  display: flex;
  gap: 10px;
  margin: 16px 0 0;
}

.swatch {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid rgba(16, 35, 63, 0.12);
}

.swatch.black { background: #1a1a1a; }
.swatch.champagne { background: #d8c4b0; }

.product-visual.light {
  background: #f3f5f8;
}

.gallery-switch {
  display: flex;
  gap: 10px;
  margin: 12px 0 18px;
}

.gallery-switch button {
  height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
}

.gallery-switch button.is-on {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}

.trust-bar {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin: -48px auto 72px;
  position: relative;
  z-index: 2;
}

.trust-item {
  padding: 20px 16px;
  background: #fff;
  border-radius: 18px;
  box-shadow: var(--shadow);
  text-align: center;
}

a.trust-item {
  color: inherit;
  text-decoration: none;
}

.trust-item strong { display: block; font-size: 15px; }
.trust-item span { display: block; margin-top: 6px; color: var(--muted); font-size: 12px; }

.section { padding: 72px 0; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 32px;
}

.kicker {
  color: var(--blue);
  letter-spacing: 0.18em;
  font-size: 12px;
  margin-bottom: 10px;
}

.section-head h2,
.page-hero h1,
.detail-copy h1 {
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.2;
}

.section-head p,
.page-hero p { color: var(--muted); line-height: 1.8; max-width: 560px; }

.sanzhen-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 18px;
}

.sanzhen-card {
  position: relative;
  overflow: hidden;
  min-height: 360px;
  padding: 28px;
  border-radius: var(--radius);
  color: #fff;
  background: #10233f;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.sanzhen-card.wide { grid-row: span 1; }

.sanzhen-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.sanzhen-card .copy { position: relative; z-index: 1; }
.sanzhen-card h3 { font-size: 28px; margin-bottom: 8px; }
.sanzhen-card p { color: rgba(255, 255, 255, 0.82); line-height: 1.7; }

.dim-list {
  display: grid;
  gap: 8px;
  margin-top: 16px;
  padding: 0;
  list-style: none;
  color: var(--gold-soft);
  font-size: 14px;
}

.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: center;
}

.feature-split img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.feature-copy h2 { margin: 10px 0 16px; }
.feature-copy p { color: var(--muted); line-height: 1.85; margin-bottom: 18px; }

.pill-row { display: flex; flex-wrap: wrap; gap: 10px; }
.pill {
  padding: 8px 12px;
  border-radius: 999px;
  background: #eef3ff;
  color: var(--navy);
  font-size: 13px;
}

.poster {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.reason-grid,
.news-grid,
.product-grid,
.cert-grid,
.contact-grid {
  display: grid;
  gap: 18px;
}

.reason-grid { grid-template-columns: repeat(3, 1fr); }

.reason-card,
.news-card,
.product-card,
.cert-card,
.contact-card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.reason-card { padding: 24px; }
.reason-card strong { display: block; font-size: 18px; margin-bottom: 8px; }
.reason-card p { color: var(--muted); line-height: 1.7; font-size: 14px; }

.page-hero {
  min-height: 320px;
  display: flex;
  align-items: center;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(7, 16, 24, 0.78), rgba(7, 16, 24, 0.28)),
    url("/assets/img/product/hero-poster.jpg") center/cover;
}

.breadcrumb { padding: 22px 0 8px; color: var(--muted); font-size: 14px; }

.product-grid { grid-template-columns: repeat(2, 1fr); padding-bottom: 80px; }
.product-visual,
.news-visual {
  height: 280px;
  background: #101820;
  display: grid;
  place-items: center;
  padding: 16px;
}

.product-visual img,
.news-visual img { max-height: 240px; width: auto; }
.product-card .meta,
.news-card .meta { padding: 22px; }
.product-card h3,
.news-card h3 { margin-bottom: 8px; font-size: 22px; }
.product-card p,
.news-card p { color: var(--muted); line-height: 1.7; }
.news-grid { grid-template-columns: repeat(3, 1fr); padding-bottom: 80px; }
.news-card .date { display: block; margin-bottom: 8px; color: var(--muted); font-size: 13px; }

.detail-wrap { padding: 48px 0 80px; }
.detail-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 48px;
}

.spec-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 24px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.spec-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.spec-list span { color: var(--muted); }

.cert-grid { grid-template-columns: repeat(4, 1fr); }
.cert-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  background: #f0f2f6;
}
.cert-card .meta { padding: 16px 18px 20px; }
.cert-card h3 { font-size: 16px; margin-bottom: 6px; }
.cert-card p { color: var(--muted); font-size: 13px; line-height: 1.6; }

.cctv {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 28px;
  align-items: center;
  padding: 32px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #0b1c3d, #16325d);
  color: #fff;
  margin-bottom: 28px;
}

.cctv-mark {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 30% 30%, #fff, #d9e6ff 40%, #1b4fbf);
  color: #b1121a;
  font-weight: 800;
  font-size: 42px;
  letter-spacing: 0.04em;
}

.about-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 48px;
}

.about-block p { color: var(--muted); line-height: 1.85; }
.contact-grid { grid-template-columns: repeat(3, 1fr); }
.contact-card { padding: 22px; }
.contact-card h3 { margin-bottom: 8px; }

.site-footer {
  background: #071018;
  color: #d5dbe4;
  padding: 48px 0 28px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid #1d2836;
}

.footer-brand { font-size: 28px; color: #fff; margin-bottom: 8px; }
.footer-links { display: grid; gap: 10px; }
.disclaimer {
  margin: 20px 0 0;
  color: #8b949e;
  font-size: 12px;
  line-height: 1.8;
}

.hero-video {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  color: #fff;
  overflow: hidden;
  background: #07090d;
}

.hero-video-el {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 28%;
  transform: scale(1.12);
}

.hero-video-mask {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 9, 13, 0.78) 0%, rgba(7, 9, 13, 0.42) 48%, rgba(7, 9, 13, 0.22) 100%),
    linear-gradient(180deg, rgba(7, 9, 13, 0.18) 0%, rgba(7, 9, 13, 0.08) 55%, rgba(7, 9, 13, 0.5) 100%);
}

.hero-video-copy {
  position: relative;
  z-index: 1;
  width: min(620px, calc(100% - 48px));
  margin: 0 auto 0 max(24px, calc((100% - 1180px) / 2));
  min-height: calc(100vh - var(--header-h));
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 48px 0 80px;
}

.hero-video-copy h1 {
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.18;
  font-weight: 620;
  letter-spacing: 0.02em;
}

.hero-video-copy p {
  margin: 22px 0 32px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 16px;
  line-height: 1.9;
  max-width: 520px;
}

.btn.ghost-light {
  align-self: flex-start;
  width: auto;
  height: 48px;
  padding: 0 28px;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.78);
}

.btn.ghost-light:hover {
  background: rgba(255, 255, 255, 0.1);
}

.shennong {
  background: #fff;
  padding: 96px 0 108px;
  text-align: center;
  scroll-margin-top: 24px;
}

.section-kicker {
  color: var(--blue);
  letter-spacing: 0.22em;
  font-size: 12px;
  margin-bottom: 12px;
  text-align: center;
}

body[data-page="home"] .section > .container > h2,
.shennong-title {
  font-size: clamp(28px, 3.2vw, 40px);
  line-height: 1.28;
  font-weight: 640;
  text-align: center;
}

.shennong-title {
  display: inline-block;
  position: relative;
  padding-bottom: 16px;
}

.title-break { display: none; }

.shennong-title::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 42px;
  height: 3px;
  transform: translateX(-50%);
  background: var(--blue);
  border-radius: 2px;
}

.section-lead {
  margin: 16px auto 0;
  max-width: 640px;
  color: var(--muted);
  line-height: 1.85;
  text-align: center;
}

.shennong-lead { margin-bottom: 56px; }

.shennong-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px minmax(0, 1fr);
  grid-template-areas:
    "left orb right"
    "bottom bottom bottom";
  gap: 28px 40px;
  align-items: center;
  text-align: left;
}

.shennong-l {
  grid-area: left;
  text-align: right;
  max-width: 280px;
  justify-self: end;
}
.shennong-orb { grid-area: orb; }
.shennong-r {
  grid-area: right;
  max-width: 280px;
  justify-self: start;
}
.shennong-b {
  grid-area: bottom;
  max-width: 420px;
  margin: 8px auto 0;
  text-align: center;
}

.shennong-copy h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.shennong-copy p {
  color: var(--muted);
  line-height: 1.85;
  font-size: 15px;
}

.shennong-orb {
  position: relative;
  width: 280px;
  height: 280px;
  margin: 0 auto;
}

.shennong-pie {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 18px 36px rgba(27, 79, 191, 0.18));
}

.shennong-core {
  position: absolute;
  inset: 58px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #fff;
  color: var(--navy);
  font-size: 28px;
  font-weight: 720;
  line-height: 1.15;
  letter-spacing: 0.08em;
  box-shadow: 0 8px 24px rgba(16, 35, 63, 0.06);
}

.orb-ico {
  position: absolute;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
}

.orb-ico svg { width: 22px; height: 22px; }
.ico-a { top: 22%; left: 18%; }
.ico-b { bottom: 14%; left: 50%; transform: translateX(-50%); }
.ico-c { top: 22%; right: 18%; }

.section-alt { background: #f7f9fc; }

.tri-copy {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  margin-top: 48px;
}

.tri-copy h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.tri-copy p {
  color: var(--muted);
  line-height: 1.85;
  font-size: 15px;
}

.finish-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 48px;
}

.finish-card {
  background: #fff;
  border-radius: 24px;
  padding: 28px 28px 32px;
  text-align: center;
  box-shadow: 0 10px 32px rgba(16, 35, 63, 0.06);
}

.finish-stage {
  min-height: 280px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}

.finish-stage img {
  width: auto;
  max-height: 250px;
  filter: drop-shadow(0 16px 28px rgba(16, 35, 63, 0.12));
}

.finish-card h3 { font-size: 22px; margin-bottom: 8px; }
.finish-card p { color: var(--muted); line-height: 1.8; }

.two-copy {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.two-copy h3 {
  font-size: 24px;
  margin-bottom: 12px;
}

.two-copy p {
  color: var(--muted);
  line-height: 1.85;
}

.hero.hero-compact {
  min-height: auto;
}

.hero.hero-compact .hero-inner {
  min-height: auto;
  padding: 64px 0 48px;
  gap: 24px;
}

.hero-studio {
  position: relative;
  height: 340px;
}

.hero-studio .watch {
  position: absolute;
  width: 168px;
  filter: drop-shadow(0 22px 36px rgba(0, 0, 0, 0.4));
}

.hero-studio .watch-back {
  left: 46%;
  top: 72px;
  width: 152px;
  z-index: 1;
}

.hero-studio .watch-front {
  left: 16%;
  top: 24px;
  z-index: 2;
}

.trust-slim {
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.trust-slim .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 28px;
  padding: 18px 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.trust-slim a:hover { color: var(--navy); }

.center-head {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 48px;
}

.center-head h2 {
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.25;
  font-weight: 620;
}

.center-head p {
  margin: 14px auto 0;
  color: var(--muted);
  line-height: 1.85;
}

.section.tone {
  background: #f3efe6;
}

.story-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.story-list li {
  display: grid;
  gap: 12px;
}

.story-list span {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.story-list strong {
  display: block;
  font-size: 18px;
  margin-bottom: 6px;
}

.story-list p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 14px;
}

.tri {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
  text-align: center;
}

.tri article {
  padding: 8px 12px;
}

.tri b {
  display: block;
  font-size: 16px;
  margin-bottom: 8px;
}

.tri p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 14px;
}

.solo {
  margin: 0;
  text-align: center;
}

.solo img {
  width: auto;
  max-width: 220px;
  max-height: 300px;
  margin: 0 auto;
  object-fit: contain;
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(16, 35, 63, 0.08);
}

.app-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.app-row figure { margin: 0; }

.app-row .frame {
  height: 210px;
  display: grid;
  place-items: center;
  background: #f6f3ec;
  border-radius: 18px;
  overflow: hidden;
  padding: 16px;
}

.app-row img {
  max-height: 178px;
  width: auto;
  object-fit: contain;
}

.app-row figcaption {
  margin-top: 16px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.app-row figcaption strong {
  display: block;
  color: var(--text);
  font-size: 16px;
  margin-bottom: 4px;
}

.duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.duo a {
  display: grid;
  justify-items: center;
  gap: 16px;
}

.duo img {
  width: 132px;
  filter: drop-shadow(0 16px 28px rgba(16, 35, 63, 0.12));
}

.duo span {
  font-size: 15px;
  letter-spacing: 0.16em;
}

.spec-band,
.companion-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.spec-band h2,
.companion-band h2 {
  margin: 8px 0 14px;
  font-size: clamp(26px, 2.4vw, 34px);
}

.spec-band p,
.companion-band p {
  color: var(--muted);
  line-height: 1.85;
  margin-bottom: 18px;
}

.companion-band {
  grid-template-columns: minmax(0, 640px);
}

.text-link {
  color: var(--navy);
  letter-spacing: 0.06em;
  font-size: 14px;
}

.text-link:hover { color: var(--gold); }

.reason-grid.quiet .reason-card {
  box-shadow: none;
  border: 1px solid var(--line);
  background: transparent;
}

.product-visual.light {
  height: 220px;
  padding: 20px;
}

.product-visual.light img {
  max-height: 168px;
}

.detail-shot .gallery-switch {
  justify-content: center;
}

.detail-shot img {
  width: auto;
  max-width: 240px;
  max-height: 280px;
  margin: 0 auto;
  box-shadow: none;
}

.poster-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 12px;
}

.poster-grid img {
  width: 100%;
  height: 220px;
  object-fit: contain;
  background: #f6f3ec;
  padding: 12px;
  box-shadow: none;
}

@media (max-width: 960px) {
  .header-inner { grid-template-columns: 1fr auto; }
  .menu-toggle { display: grid; place-items: center; justify-self: end; }
  .nav,
  .header-cta { display: none; }
  .site-header.is-open .nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    left: 0;
    right: 0;
    top: var(--header-h);
    padding: 18px 20px 24px;
    background: #fff;
    box-shadow: var(--shadow);
    gap: 16px;
  }
  .hero-inner,
  .trust-bar,
  .sanzhen-grid,
  .feature-split,
  .reason-grid,
  .product-grid,
  .news-grid,
  .detail-top,
  .spec-list,
  .cert-grid,
  .cctv,
  .about-block,
  .contact-grid,
  .footer-top,
  .section-head {
    grid-template-columns: 1fr;
  }
  .hero-pair,
  .pain-grid,
  .sanzhen-posters,
  .colorway-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero-studio {
    height: 280px;
    margin: 8px auto 0;
  }
  .hero-studio .watch-front { width: 140px; left: 14%; }
  .hero-studio .watch-back { width: 128px; left: 48%; }
  .story-list,
  .tri,
  .app-row,
  .duo,
  .spec-band,
  .tri-copy,
  .finish-duo,
  .two-copy {
    grid-template-columns: 1fr 1fr;
  }
  .shennong-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "orb"
      "left"
      "right"
      "bottom";
    gap: 24px;
  }
.shennong-l,
.shennong-b { text-align: center; }
.shennong-l,
.shennong-r { max-width: none; justify-self: stretch; }
  .hero-video,
  .hero-video-copy { min-height: 72vh; }
  .hero-video-copy { margin-left: auto; padding: 40px 0 56px; }
  .companion-band { grid-template-columns: 1fr; }
  .solo img { width: min(320px, 78%); }
  .poster-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-inner { min-height: auto; padding: 40px 0 56px; }
  .page-hero { min-height: 240px; padding: 48px 0; }
}

@media (max-width: 640px) {
  .story-list,
  .tri,
  .app-row,
  .duo,
  .spec-band,
  .tri-copy,
  .finish-duo,
  .two-copy {
    grid-template-columns: 1fr;
  }
  .shennong-orb { width: 220px; height: 220px; }
  .shennong-core { inset: 46px; font-size: 22px; }
  .title-break { display: block; }
  .shennong-title { font-size: 28px; }
}

.footer-icp {
  margin: 14px 0 0;
  color: #8b949e;
  font-size: 12px;
}
.footer-icp a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.faq-list { display: grid; gap: 16px; padding-bottom: 80px; }
.faq-item {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 26px;
}
.faq-item h2 { font-size: 20px; margin-bottom: 10px; }
.faq-item p { color: var(--muted); line-height: 1.85; }
.faq-item a { color: var(--blue); text-decoration: underline; }

.spec-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin: 8px 0 28px;
}
.spec-table th, .spec-table td {
  text-align: left;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.7;
}
.spec-table th { width: 28%; color: var(--muted); font-weight: 600; }
.note { color: var(--muted); line-height: 1.8; margin: 0 0 22px; }
.note a { color: var(--blue); text-decoration: underline; }