:root {
  --ink: #071521;
  --ink-soft: #143047;
  --mist: #e8eef3;
  --paper: #f4f7fa;
  --line: rgba(7, 21, 33, 0.12);
  --accent: #0f9f8a;
  --accent-deep: #0a7464;
  --warm: #e8a54b;
  --text: #122433;
  --muted: #5a6d7c;
  --header-h: 4.25rem;
  --font-sans: "Noto Sans SC", system-ui, sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", serif;
  --font-display: "Syne", "Noto Sans SC", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

img {
  max-width: 100%;
  display: block;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  background: rgba(7, 21, 33, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: #fff;
}

.logo-mark {
  width: 2.1rem;
  height: 2.1rem;
  display: grid;
  place-items: center;
  border-radius: 0.45rem;
  background: linear-gradient(145deg, var(--accent), #146b8a);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.nav a {
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  font-size: 0.92rem;
  transition: color 0.25s var(--ease);
}

.nav a:hover {
  color: #fff;
}

.nav-cta {
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff !important;
  font-weight: 500;
}

.nav-cta:hover {
  background: var(--accent-deep);
}

button.nav-cta-btn {
  border: 0;
  cursor: pointer;
  font: inherit;
}

.nav-link-quiet {
  color: rgba(255, 255, 255, 0.78) !important;
  text-decoration: none;
  font-size: 0.92rem;
}

.nav-link-quiet:hover {
  color: #fff !important;
}

.member-modal[hidden] {
  display: none !important;
}

.member-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.member-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 21, 33, 0.55);
}

.member-modal-panel {
  position: relative;
  z-index: 1;
  width: min(28rem, 100%);
  max-height: min(92vh, 40rem);
  overflow: auto;
  background: #fff;
  border-radius: 1rem;
  padding: 1.5rem 1.35rem 1.35rem;
  box-shadow: 0 24px 60px rgba(7, 21, 33, 0.28);
}

.member-modal-close {
  position: absolute;
  top: 0.65rem;
  right: 0.75rem;
  border: 0;
  background: transparent;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--muted);
  cursor: pointer;
}

.member-lead {
  margin: 0.35rem 0 1.1rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.member-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.member-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--ink-soft);
}

.member-form .full {
  grid-column: 1 / -1;
}

.member-form input,
.member-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 0.75rem 0.9rem;
  font: inherit;
  background: #fff;
  color: var(--text);
}

.member-form input:focus,
.member-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 159, 138, 0.18);
}

.member-form .btn.full {
  width: 100%;
  justify-content: center;
}

body.member-open {
  overflow: hidden;
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 1.25rem;
  height: 2px;
  margin: 0.28rem auto;
  background: #fff;
  transition: transform 0.3s var(--ease);
}

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  align-items: end;
  padding: calc(var(--header-h) + 2rem) 1.5rem 3.5rem;
  color: #fff;
  overflow: hidden;
  background: radial-gradient(120% 80% at 70% 20%, #1a4a5c 0%, var(--ink) 55%, #040b12 100%);
}

.hero-visual {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.bubble-field {
  position: absolute;
  inset: -10% -5% 0 35%;
  background:
    radial-gradient(circle at 20% 30%, rgba(15, 159, 138, 0.22) 0 1.2rem, transparent 1.3rem),
    radial-gradient(circle at 45% 55%, rgba(255, 255, 255, 0.08) 0 0.9rem, transparent 1rem),
    radial-gradient(circle at 70% 25%, rgba(232, 165, 75, 0.16) 0 1.5rem, transparent 1.6rem),
    radial-gradient(circle at 58% 72%, rgba(255, 255, 255, 0.06) 0 1.1rem, transparent 1.2rem),
    radial-gradient(circle at 85% 48%, rgba(15, 159, 138, 0.18) 0 1.8rem, transparent 1.9rem),
    radial-gradient(circle at 38% 18%, rgba(255, 255, 255, 0.05) 0 0.7rem, transparent 0.8rem);
  background-size: 18rem 18rem;
  animation: drift 28s linear infinite;
  opacity: 0.9;
  mask-image: linear-gradient(90deg, transparent, #000 25%, #000 85%, transparent);
}

.film-sheen {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, transparent 40%, rgba(255, 255, 255, 0.07) 50%, transparent 60%),
    linear-gradient(180deg, transparent 55%, rgba(4, 11, 18, 0.75) 100%);
  animation: sheen 9s ease-in-out infinite;
}

.hero-product {
  position: absolute;
  right: 6%;
  top: 22%;
  width: min(42vw, 28rem);
  height: min(52vw, 34rem);
  perspective: 900px;
}

.mailer {
  position: absolute;
  border-radius: 1.1rem 1.1rem 1.4rem 1.4rem;
  box-shadow:
    0 28px 60px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
  transform-style: preserve-3d;
  animation: float 6.5s var(--ease) infinite;
}

.mailer::after {
  content: "";
  position: absolute;
  inset: 12% 10% auto;
  height: 18%;
  border-radius: 0.35rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.22), transparent);
  opacity: 0.55;
}

.mailer-a {
  inset: 8% 18% 28% 8%;
  background: linear-gradient(160deg, #2a2d34, #121418 70%);
  transform: rotate(-8deg) rotateY(12deg);
}

.mailer-b {
  inset: 22% 0 12% 28%;
  background: linear-gradient(160deg, #f3c4cc, #d9a0ad 70%);
  transform: rotate(7deg) rotateY(-8deg);
  animation-delay: -2s;
}

.mailer-c {
  inset: 38% 22% 0 18%;
  background: linear-gradient(160deg, #9fd6c8, #5fa896 70%);
  transform: rotate(-2deg) rotateY(6deg);
  animation-delay: -4s;
  opacity: 0.95;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 38rem;
}

.brand-line {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.2vw, 2.35rem);
  font-weight: 700;
  letter-spacing: 0.18em;
  color: #fff;
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.9s var(--ease) 0.1s forwards;
}

.hero h1 {
  margin: 0 0 1.1rem;
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 4.4vw, 3.15rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.02em;
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.9s var(--ease) 0.25s forwards;
}

.lead {
  margin: 0 0 1.75rem;
  max-width: 32rem;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.02rem;
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.9s var(--ease) 0.4s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  opacity: 0;
  transform: translateY(18px);
  animation: rise 0.9s var(--ease) 0.55s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-deep);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.08);
}

.trust {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
}

.trust-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.35rem 1.5rem;
  background: #fff;
}

.trust-label {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.trust-value {
  font-family: var(--font-serif);
  font-size: 1.12rem;
  font-weight: 600;
  text-decoration: none;
}

a.trust-value {
  color: var(--accent-deep);
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

a.trust-value:hover {
  color: var(--ink);
}

.section {
  padding: 5rem 1.5rem;
  max-width: 72rem;
  margin: 0 auto;
}

.section-head {
  max-width: 38rem;
  margin-bottom: 2.5rem;
}

.eyebrow {
  margin: 0 0 0.65rem;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-deep);
  font-weight: 700;
}

.section h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  line-height: 1.3;
}

.section-desc {
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.swatch {
  padding: 0;
  background: transparent;
}

.swatch-face {
  height: 8.5rem;
  border-radius: 1rem 1rem 0.35rem 1.4rem;
  background:
    radial-gradient(circle at 30% 35%, rgba(255, 255, 255, 0.28) 0 0.55rem, transparent 0.6rem),
    radial-gradient(circle at 58% 62%, rgba(255, 255, 255, 0.16) 0 0.7rem, transparent 0.75rem),
    linear-gradient(155deg, color-mix(in srgb, var(--swatch) 88%, #fff), var(--swatch));
  box-shadow: 0 14px 32px rgba(7, 21, 33, 0.12);
  transition: transform 0.45s var(--ease);
}

.swatch:hover .swatch-face {
  transform: translateY(-4px) rotate(-1deg);
}

.swatch h3 {
  margin: 0.85rem 0 0.2rem;
  font-size: 1.05rem;
  color: var(--ink);
}

.swatch p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.spec-list {
  list-style: none;
  margin: 0;
  padding: 1.25rem 0 0;
  display: grid;
  gap: 0.65rem;
  border-top: 1px solid var(--line);
}

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

.spec-list strong {
  color: var(--ink);
  margin-right: 0.55rem;
  font-weight: 600;
}

.quality {
  max-width: none;
  padding-inline: 0;
  background:
    linear-gradient(180deg, #102536 0%, #0a1a28 100%);
  color: #fff;
}

.quality .section-head,
.quality .quality-rows {
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.quality .eyebrow {
  color: #7ad7c6;
}

.quality .section-desc {
  color: rgba(255, 255, 255, 0.68);
}

.quality-rows {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.quality-row {
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.quality-row h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: #9fe8d9;
}

.quality-row p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  max-width: 28rem;
}

.content-list {
  display: grid;
  gap: 0;
}

.content-item {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 1.35rem 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
  transition: padding-left 0.35s var(--ease), color 0.25s var(--ease);
}

.content-item:last-child {
  border-bottom: 1px solid var(--line);
}

.content-item:hover {
  padding-left: 0.5rem;
}

.content-index {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.content-item h3 {
  margin: 0 0 0.25rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
}

.content-item p {
  margin: 0;
  color: var(--muted);
}

.why {
  max-width: 52rem;
}

.why-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: why;
}

.why-list li {
  counter-increment: why;
  position: relative;
  display: block;
  padding: 1.15rem 0 1.15rem 2.75rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.why-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.why-list li::before {
  content: counter(why, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.15rem;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--warm);
}

.why-line {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.85rem;
  width: 100%;
  box-sizing: border-box;
}

.why-line strong {
  flex: 0 1 auto;
  color: var(--ink);
  font-weight: 600;
}

.why-benefit {
  flex: 0 0 auto;
  white-space: nowrap;
  color: var(--muted);
}

.why-benefit::before {
  content: "→ ";
  color: var(--accent);
  font-weight: 600;
}

.factory {
  max-width: 72rem;
}

.social-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0 0 2rem;
}

.social-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 6.5rem;
  padding: 0.7rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: #fff;
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}

.social-chip:hover {
  border-color: var(--accent);
  color: var(--accent-deep);
  transform: translateY(-1px);
}

.factory-video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}

.factory-video {
  margin: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  overflow: hidden;
}

.factory-video video {
  display: block;
  width: 100%;
  aspect-ratio: 9 / 16;
  max-height: 28rem;
  object-fit: cover;
  background: #0b1520;
}

.factory-video figcaption {
  padding: 0.75rem 1rem 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 900px) {
  .factory-video-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .factory-video-grid {
    grid-template-columns: 1fr;
  }

  .factory-video video {
    max-height: none;
  }
}

.faq {
  max-width: 48rem;
}

.faq-list {
  display: grid;
  gap: 0.75rem;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  background: #fff;
  padding: 0.15rem 1rem 0.15rem;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  color: var(--ink);
  padding: 0.95rem 0;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--accent-deep);
  font-weight: 700;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item p {
  margin: 0 0 1rem;
  color: var(--muted);
  line-height: 1.7;
}

.faq-item a {
  color: var(--accent-deep);
}

.contact {
  max-width: none;
  padding: 4rem 1.5rem 5rem;
  background:
    radial-gradient(80% 60% at 10% 0%, rgba(15, 159, 138, 0.14), transparent 55%),
    var(--mist);
}

.contact-panel {
  max-width: 42rem;
  margin: 0 auto;
}

.contact-panel a {
  color: var(--accent-deep);
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.75rem;
}

.contact-form label {
  display: grid;
  gap: 0.4rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink-soft);
}

.contact-form .full,
.contact-form button {
  grid-column: 1 / -1;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 0.8rem 0.95rem;
  font: inherit;
  background: #fff;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 159, 138, 0.18);
}

.form-note {
  margin: 1rem 0 0;
  font-size: 0.86rem;
  color: var(--muted);
}

.form-status {
  grid-column: 1 / -1;
  margin: 0;
  padding: 0.75rem 0.95rem;
  border-radius: 0.75rem;
  font-size: 0.92rem;
  background: rgba(15, 159, 138, 0.1);
  color: var(--ink-soft);
}

.form-status.is-ok {
  background: rgba(15, 159, 138, 0.16);
  color: var(--accent-deep);
}

.form-status.is-err {
  background: #ffecec;
  color: #8a1f1f;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.75rem 1.5rem 2.25rem;
  background: var(--ink);
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.92rem;
}

.site-footer strong {
  display: block;
  color: #fff;
  font-family: var(--font-serif);
  margin-bottom: 0.25rem;
}

.site-footer p {
  margin: 0.35rem 0 0;
  line-height: 1.55;
  max-width: 36rem;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
}

.site-footer a:hover {
  color: #fff;
  text-decoration: underline;
}

.footer-about {
  margin-top: 0.55rem !important;
}

.footer-meta {
  text-align: right;
}

.footer-meta .beian {
  margin-top: 0.35rem;
  font-size: 0.86rem;
}

.footer-meta .beian a {
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
}

.footer-meta .beian a:hover {
  color: #fff;
  text-decoration: underline;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0) rotate(var(--r, -6deg));
  }
  50% {
    transform: translateY(-12px) rotate(var(--r, -6deg));
  }
}

.mailer-a {
  --r: -8deg;
}
.mailer-b {
  --r: 7deg;
}
.mailer-c {
  --r: -2deg;
}

@keyframes drift {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 18rem 12rem;
  }
}

@keyframes sheen {
  0%,
  100% {
    opacity: 0.7;
  }
  50% {
    opacity: 1;
  }
}

@media (max-width: 900px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-product {
    opacity: 0.45;
    right: -8%;
    top: 14%;
  }

  .quality-rows {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1.25rem 1.25rem;
    background: rgba(7, 21, 33, 0.96);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-cta {
    margin-top: 0.75rem;
    text-align: center;
    border-bottom: 0 !important;
  }

  .nav-toggle {
    display: block;
  }

  .trust {
    grid-template-columns: 1fr;
  }

  .contact-form {
    grid-template-columns: 1fr;
  }

  .hero {
    align-items: center;
    padding-bottom: 4rem;
  }

  .hero-product {
    display: none;
  }
}

/* —— 文章 / 合规列表 —— */
.article-body {
  padding-top: var(--header-h);
}

.article-main {
  max-width: 48rem;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.crumb {
  margin: 0 0 1.25rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.crumb a {
  color: var(--accent-deep);
  text-decoration: none;
}

.crumb a:hover {
  text-decoration: underline;
}

.list-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 3vw, 2.2rem);
}

.list-count {
  margin: 0 0 1.75rem;
  color: var(--muted);
}

.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr));
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.cat-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.15rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  background: #fff;
  text-decoration: none;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.cat-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.cat-card strong {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--ink);
}

.cat-card span {
  color: var(--muted);
  font-size: 0.88rem;
}

.article-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.article-list li {
  border-top: 1px solid var(--line);
}

.article-list a {
  display: grid;
  gap: 0.35rem;
  padding: 1.1rem 0;
  text-decoration: none;
}

.article-list a:hover strong {
  color: var(--accent-deep);
}

.article-list strong {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--ink);
  font-weight: 600;
}

.article-list span {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.prose {
  font-size: 1.02rem;
  line-height: 1.75;
}

.prose h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.55rem, 3vw, 2rem);
  line-height: 1.35;
  margin: 0 0 1rem;
}

.prose h2,
.prose h3 {
  font-family: var(--font-serif);
  margin: 1.75rem 0 0.65rem;
  line-height: 1.35;
}

.prose p,
.prose ul,
.prose ol,
.prose blockquote,
.prose table {
  margin: 0 0 1rem;
}

.prose blockquote {
  margin-left: 0;
  padding: 0.75rem 1rem;
  border-left: 3px solid var(--accent);
  background: rgba(15, 159, 138, 0.08);
  color: var(--ink-soft);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  display: block;
  overflow-x: auto;
}

.prose th,
.prose td {
  border: 1px solid var(--line);
  padding: 0.55rem 0.7rem;
  text-align: left;
  vertical-align: top;
}

.prose th {
  background: var(--mist);
}

.prose code {
  font-size: 0.9em;
  background: var(--mist);
  padding: 0.1em 0.35em;
  border-radius: 0.25rem;
}

.back-link {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.back-link a {
  color: var(--accent-deep);
  text-decoration: none;
  font-weight: 500;
}

.article-body .site-header {
  background: rgba(7, 21, 33, 0.92);
}

.article-body .nav {
  display: flex;
}

@media (max-width: 720px) {
  .article-body .nav a:not(.nav-cta) {
    display: none;
  }
}

/* —— 对标站结构增强 —— */
.spec-panel {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.spec-title {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-size: 1.2rem;
}

.spec-table-wrap {
  overflow-x: auto;
  margin-bottom: 1.25rem;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  background: #fff;
}

.spec-table th,
.spec-table td {
  border: 1px solid var(--line);
  padding: 0.85rem 1rem;
  text-align: left;
  vertical-align: top;
}

.spec-table th {
  width: 7.5rem;
  background: var(--mist);
  color: var(--ink);
  font-weight: 600;
  white-space: nowrap;
}

.spec-table td {
  color: var(--muted);
}

.scenarios {
  background: #fff;
  max-width: none;
  border-block: 1px solid var(--line);
  padding-inline: 0;
}

.scenarios .section-head,
.scenarios .scenario-list {
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.scenario-list {
  list-style: none;
  margin: 0;
  padding-bottom: 0.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 2.5rem;
}

.scenario-list li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 0.85rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
}

.scenario-num {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.scenario-list h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-serif);
  font-size: 1.15rem;
}

.scenario-list p {
  margin: 0;
  color: var(--muted);
}

.process {
  background:
    radial-gradient(70% 50% at 100% 0%, rgba(232, 165, 75, 0.12), transparent 55%),
    var(--paper);
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.steps li {
  counter-increment: step;
  padding: 1.25rem 1.15rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  display: grid;
  gap: 0.45rem;
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--warm);
  letter-spacing: 0.06em;
}

.steps strong {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  color: var(--ink);
}

.steps span {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.process-cta {
  margin-top: 1.75rem;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.content-tile {
  display: grid;
  gap: 0.45rem;
  padding: 1.35rem 1.25rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  text-decoration: none;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.content-tile:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.content-tile h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--ink-soft);
}

.content-tile p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.tile-link {
  margin-top: 0.35rem;
  color: var(--accent-deep);
  font-size: 0.88rem;
  font-weight: 600;
}

.contact-checklist {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.contact-checklist li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.contact-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--accent);
}

@media (max-width: 900px) {
  .trust {
    grid-template-columns: 1fr 1fr;
  }

  .steps {
    grid-template-columns: 1fr 1fr;
  }

  .scenario-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .trust,
  .steps,
  .content-grid {
    grid-template-columns: 1fr;
  }
}

/* —— 供应链 SKU —— */
.supply-main {
  max-width: 52rem;
}

.supply-main.supply-main--wide {
  max-width: 72rem;
}

.huopan-cat-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin: 0 0 1.15rem;
  padding: 0.85rem 1rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 1.2rem;
}

.huopan-cat-bar .buy-all {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  background: #2f7bff;
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.huopan-cat-bar p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.huopan-cat-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.75rem;
}

.huopan-cat-card {
  display: block;
  padding: 1rem 1.05rem 1.05rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 1rem;
  text-decoration: none;
  min-height: 4.6rem;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.huopan-cat-card:hover {
  transform: translateY(-2px);
  border-color: #2f7bff;
}

.huopan-cat-card strong {
  display: block;
  color: var(--ink);
  font-size: 1.02rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.huopan-cat-card span {
  color: var(--muted);
  font-size: 0.86rem;
}

.huopan-cat-card em {
  color: #2f7bff;
  font-style: normal;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 900px) {
  .huopan-cat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .huopan-cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.huopan-hero {
  padding: 1.5rem 0 2rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1.75rem;
}

.huopan-tagline {
  margin: 0.35rem 0 1.35rem;
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  color: var(--ink-soft);
}

.huopan-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.1rem;
}

.huopan-channel {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.huopan-channel strong {
  color: var(--ink);
  letter-spacing: 0.02em;
}

.copy-wx {
  margin-left: 0.45rem;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 0.45rem;
  padding: 0.25rem 0.65rem;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  color: var(--accent-deep);
}

.copy-wx:hover {
  border-color: var(--accent);
}

.huopan-role,
.huopan-channel-box,
.supply-observe {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}

.huopan-role h2,
.huopan-channel-box h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
}

.huopan-role p,
.huopan-channel-box p {
  margin: 0 0 0.55rem;
  color: var(--muted);
}

.huopan-role-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 0.85rem;
}

.huopan-channel-box .muted,
.supply-observe .muted {
  color: var(--muted);
  font-size: 0.9rem;
}

.supply-observe {
  border-bottom: 0;
  padding-bottom: 0.5rem;
}

.sku-detail .sku-code {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-family: var(--font-display);
  letter-spacing: 0.04em;
}

.sku-media {
  margin: 0 0 1.25rem;
  border-radius: 0.85rem;
  overflow: hidden;
  background: var(--mist);
  max-width: 22rem;
}

.sku-media img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin: 0.75rem 0 1.25rem;
  font-size: 0.92rem;
}

.pager a {
  color: var(--accent-deep);
  text-decoration: none;
  font-weight: 600;
}

.supply-search label {
  display: grid;
  gap: 0.45rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-soft);
}

.supply-search input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 0.8rem 0.95rem;
  font: inherit;
  background: #fff;
}

.supply-search input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 159, 138, 0.18);
}

.supply-wide {
  max-width: 72rem;
  margin: 0 auto;
}

.sku-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.sku-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.sku-grid--search {
  margin-top: 1rem;
}

.sku-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.sku-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(7, 21, 33, 0.08);
}

.sku-card-img {
  position: relative;
  aspect-ratio: 1;
  background: #f0f3f6;
  overflow: hidden;
}

.sku-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sku-card-ph {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  color: var(--muted);
  font-size: 0.9rem;
}

.sku-badge {
  position: absolute;
  left: 0;
  top: 0.65rem;
  z-index: 1;
  padding: 0.2rem 0.55rem;
  background: #e11d48;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 0 0.35rem 0.35rem 0;
}

.sku-card-body {
  display: grid;
  gap: 0.35rem;
  padding: 0.85rem 0.9rem 1rem;
}

.sku-card-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.75em;
}

.sku-card-meta {
  margin: 0;
  color: var(--accent-deep);
  font-weight: 700;
  font-size: 0.95rem;
}

.sku-card-sku {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-family: var(--font-display);
}

.sku-card-cta {
  margin-top: 0.35rem;
  display: inline-flex;
  justify-content: center;
  padding: 0.45rem 0.6rem;
  border-radius: 0.45rem;
  background: var(--mist);
  color: var(--ink-soft);
  font-size: 0.85rem;
  font-weight: 600;
}

.sku-card:hover .sku-card-cta {
  background: var(--accent);
  color: #fff;
}

@media (max-width: 900px) {
  .sku-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .sku-grid {
    grid-template-columns: 1fr;
  }
}

/* —— 产品色系 —— */
.series-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.series-card {
  display: grid;
  gap: 0.45rem;
  padding: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

a.series-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.series-card h3,
.series-card p,
.series-card .tile-link {
  margin-left: 1rem;
  margin-right: 1rem;
}

.series-card h3 {
  margin-top: 0.85rem;
  margin-bottom: 0;
  font-family: var(--font-serif);
  font-size: 1.15rem;
}

.series-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.series-card .tile-link {
  margin-bottom: 1rem;
}

.series-card--soon {
  opacity: 0.85;
}

.series-cover {
  aspect-ratio: 4 / 3;
  background: var(--mist);
  overflow: hidden;
}

.series-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.series-cover--swatch {
  background:
    radial-gradient(circle at 30% 35%, rgba(255, 255, 255, 0.28) 0 0.55rem, transparent 0.6rem),
    linear-gradient(155deg, color-mix(in srgb, var(--swatch) 88%, #fff), var(--swatch));
}

.series-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  margin: 1.5rem 0;
}

.series-gallery img {
  width: 100%;
  height: auto;
  border-radius: 0.75rem;
  background: var(--mist);
  display: block;
}

.product-sales .list-title {
  margin-bottom: 0.4rem;
}

.product-lead {
  font-size: 1.05rem;
  color: var(--muted);
  margin: 0 0 1.1rem;
  max-width: 38rem;
}

.product-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0 0 2rem;
}

.product-block {
  margin: 2.25rem 0 0;
}

.product-block h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
}

.product-block p,
.product-block li {
  color: var(--muted);
}

.product-block ul,
.product-faq {
  margin: 0;
  padding: 0;
  list-style: none;
}

.product-block ul li {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--line);
}

.product-faq li {
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
}

.product-faq strong {
  display: block;
  color: var(--ink);
  margin-bottom: 0.25rem;
}

.series-hero-img {
  width: 100%;
  max-height: 28rem;
  object-fit: cover;
  border-radius: 0;
  margin: 0 0 1.25rem;
}

@media (max-width: 720px) {
  .series-grid,
  .series-gallery {
    grid-template-columns: 1fr;
  }
}