:root {
  --bg: #faf6f1;
  --paper: #ffffff;
  --ink: #2b2118;
  --muted: #7a6e62;
  --line: #ede3d8;
  --primary: #d86833;
  --primary-dark: #b24e1e;
  --primary-light: #f9ebe2;
  --gold: #c8a15c;
  --dark: #2e1d12;
  --shadow: 0 20px 55px rgba(216, 104, 51, 0.10);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(237, 227, 216, 0.6);
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  will-change: transform;
  transition: border-color 0.35s ease, box-shadow 0.35s ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  border-bottom-color: rgba(216, 104, 51, 0.18);
  box-shadow: 0 4px 30px rgba(43, 33, 24, 0.06);
}

.nav-wrap {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  white-space: nowrap;
  transition: transform 0.25s ease;
}

.brand:hover {
  transform: scale(1.03);
}

.brand img {
  height: 28px;
  width: auto;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 8px 20px rgba(216, 104, 51, 0.28);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: 14px;
}

.main-nav a {
  position: relative;
  padding: 9px 15px;
  border-radius: 999px;
  color: #4a4038;
  font-weight: 600;
  transition: color 0.25s ease, background 0.25s ease, transform 0.2s ease;
  white-space: nowrap;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: calc(100% - 24px);
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--gold));
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.main-nav a:hover {
  color: var(--primary-dark);
  background: transparent;
  transform: translateY(-1px);
}

.main-nav a:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.main-nav a.active {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 6px 18px rgba(216, 104, 51, 0.30);
  font-weight: 700;
}

.main-nav a.active::after {
  display: none;
}

.nav-toggle {
  display: none;
  border: 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-radius: 12px;
  width: 42px;
  height: 42px;
  padding: 0;
  font-size: 22px;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(216, 104, 51, 0.30);
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.nav-toggle:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 24px rgba(216, 104, 51, 0.40);
}

.nav-toggle:active {
  transform: scale(0.96);
}

.nav-toggle .bars {
  display: block;
  width: 18px;
  height: 2px;
  background: #fff;
  border-radius: 999px;
  position: relative;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle .bars::before,
.nav-toggle .bars::after {
  content: '';
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: #fff;
  border-radius: 999px;
  transition: transform 0.3s ease;
}

.nav-toggle .bars::before {
  top: -6px;
}

.nav-toggle .bars::after {
  top: 6px;
}

.nav-toggle[aria-expanded='true'] .bars {
  background: transparent;
}

.nav-toggle[aria-expanded='true'] .bars::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded='true'] .bars::after {
  transform: translateY(-6px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 720px;
  color: #fff;
  overflow: hidden;
  display: grid;
  align-items: center;
}

.hero-bg,
.page-hero {
  background-size: cover;
  background-position: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 0.8s ease, transform 4s ease;
}

.hero-bg.is-active {
  opacity: 1;
  transform: scale(1);
}

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

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 880px;
  margin-left: max(16px, calc((100vw - 1180px) / 2));
}

.eyebrow {
  color: var(--primary);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 12px;
}

.hero h1,
.page-hero h1 {
  margin: 0;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.hero-subtitle,
.page-hero p {
  max-width: 780px;
  font-size: clamp(18px, 2vw, 24px);
  color: rgba(255, 255, 255, 0.88);
}

.hero-actions,
.cta-card {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 34px;
}

/* ===== 首屏高端排版 ===== */
.hero-content .eyebrow {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 14px;
  padding: 9px 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  color: rgba(255, 236, 222, 0.92);
  font-size: 13px;
  letter-spacing: 0.18em;
  margin: 0;
}

.hero-content .eyebrow span + span::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 4px;
  margin-right: 14px;
  border-radius: 50%;
  background: var(--primary);
  vertical-align: middle;
}

.hero h1 {
  margin-top: 28px;
  text-wrap: balance;
  text-shadow: 0 4px 40px rgba(8, 4, 2, 0.45);
}

.hero h1 .hero-line {
  display: block;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(115deg, #ffd9b8 5%, #ff9a62 55%, #f07a35 95%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-subtitle {
  margin-top: 26px;
  font-size: clamp(15px, 1.7vw, 19px) !important;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.82);
  text-shadow: 0 2px 18px rgba(8, 4, 2, 0.4);
}

.hero-reveal {
  animation: heroRise 0.9s cubic-bezier(0.22, 0.68, 0.32, 1) both;
}

.hero h1 .hero-line:nth-child(1) { animation: heroRise 0.9s 0.08s cubic-bezier(0.22, 0.68, 0.32, 1) both; }
.hero h1 .hero-line:nth-child(2) { animation: heroRise 0.9s 0.2s cubic-bezier(0.22, 0.68, 0.32, 1) both; }
.hero-subtitle.hero-reveal { animation-delay: 0.34s; }
.hero-actions.hero-reveal { animation-delay: 0.48s; }

@keyframes heroRise {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== 内页 Hero 高端排版 ===== */
.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.page-hero .eyebrow::before {
  content: '';
  width: 34px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), rgba(216, 104, 51, 0.25));
}

.page-hero h1 {
  text-shadow: 0 4px 36px rgba(8, 4, 2, 0.45);
}

.page-hero h1 em,
.page-hero h1 strong {
  font-style: normal;
  background: linear-gradient(115deg, #ffd9b8 5%, #ff9a62 55%, #f07a35 95%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.page-hero h1 .pipe {
  font-weight: 300;
  opacity: 0.38;
  padding: 0 0.06em;
}

.page-hero-desc {
  max-width: 640px;
  margin-top: 24px;
  font-size: clamp(16px, 1.7vw, 19px);
  letter-spacing: 0.05em;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.85);
  text-shadow: 0 2px 18px rgba(8, 4, 2, 0.4);
}

.page-hero .eyebrow { animation: heroRise 0.9s cubic-bezier(0.22, 0.68, 0.32, 1) both; }
.page-hero h1 { animation: heroRise 0.9s 0.12s cubic-bezier(0.22, 0.68, 0.32, 1) both; }
.page-hero .page-hero-desc { animation: heroRise 0.9s 0.26s cubic-bezier(0.22, 0.68, 0.32, 1) both; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 800;
  transition: 0.2s ease;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 12px 30px rgba(216, 104, 51, 0.28);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(216, 104, 51, 0.38);
}

.btn-outline {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.08);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.18);
}

.carousel-dots {
  position: absolute;
  z-index: 3;
  bottom: 54px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
}

.carousel-dots button {
  width: 34px;
  height: 4px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.42);
  cursor: pointer;
}

.carousel-dots button.is-active {
  background: #fff;
}

.page-hero {
  min-height: 430px;
  display: grid;
  align-items: end;
  padding: 120px 0 82px;
  color: #fff;
}

.section {
  padding: 88px 0;
}

.section-light {
  background: #f5eee6;
}

.section-dark {
  color: #fff;
  background: radial-gradient(circle at top left, #4a2e1b, var(--dark) 55%);
}

.visual-section {
  background: var(--bg);
}

.section-head {
  max-width: 760px;
  text-align: center;
  margin-bottom: 42px;
}

.section-head h2,
.two-col h2,
.content-block h2,
.cta-card h2,
.article-card h2,
.contact-form h2,
.contact-info h2,
.faq-list h2 {
  margin: 0 0 16px;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.section-head p,
.two-col p,
.content-block p,
.feature-card p,
.article-card p,
.contact-info p {
  color: var(--muted);
}

/* 联系我们信息行内图标 */
.contact-info .contact-ico {
  width: 18px;
  height: 18px;
  margin-right: 8px;
  vertical-align: -3.5px;
  color: var(--primary);
}

.section-dark p {
  color: rgba(255, 255, 255, 0.78);
}

.content-block h2 {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  font-size: 26px;
  line-height: 1.4;
}

.content-block h2 > span:last-child {
  display: inline-flex;
  flex-direction: column;
  flex: 1;
  min-width: 200px;
}

.content-block h2 .card-index {
  flex-shrink: 0;
}

.cb-subtitle {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(216, 104, 51, 0.65);
  letter-spacing: 0.04em;
}

.cb-no {
  display: none;
}

.content-block {
  position: relative;
  overflow: hidden;
  transition: transform 0.32s cubic-bezier(0.22, 0.68, 0.32, 1),
              box-shadow 0.32s ease,
              border-color 0.32s ease;
}

.content-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), #f3a679);
  opacity: 0;
  transition: opacity 0.32s ease;
}

.content-block::after {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, rgba(216, 104, 51, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  transition: transform 0.4s ease;
  z-index: 0;
}

.content-block:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 60px rgba(216, 104, 51, 0.18);
  border-color: rgba(216, 104, 51, 0.3);
}

.content-block:hover::before {
  opacity: 1;
}

.content-block:hover::after {
  transform: scale(1.4);
}

.content-block:hover .cb-no {
  color: rgba(216, 104, 51, 0.22);
}

.content-block:hover .card-index {
  background: linear-gradient(135deg, var(--primary), #f3a679);
  color: #fff;
  transform: rotate(-8deg) scale(1.08);
  box-shadow: 0 8px 22px rgba(216, 104, 51, 0.25);
}

.content-block > * {
  position: relative;
  z-index: 1;
}

.about-section {
  position: relative;
}

.about-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  border-radius: 2px;
}

.about-section .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  justify-content: center;
}

.about-section .eyebrow span {
  display: inline-block;
  width: 32px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  opacity: 0.7;
}

.about-block {
  position: relative;
}

.about-lead {
  position: relative;
  margin: 0 0 28px;
  padding: 24px 60px 24px 32px;
  border-radius: 18px;
  background:
    linear-gradient(120deg, rgba(216, 104, 51, 0.14) 0%, rgba(216, 104, 51, 0.04) 60%, rgba(255, 255, 255, 0) 100%),
    #fffaf3;
  box-shadow: 0 18px 40px rgba(216, 104, 51, 0.1), 0 4px 12px rgba(43, 33, 24, 0.05);
  color: #3d3327;
  font-size: 18px;
  line-height: 1.9;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.about-lead::before {
  content: '“';
  position: absolute;
  top: 6px;
  right: 22px;
  font-family: 'Georgia', 'Times New Roman', serif;
  font-size: 86px;
  line-height: 1;
  font-weight: 800;
  color: var(--primary);
  opacity: 0.18;
  pointer-events: none;
}

.about-lead::after {
  content: '';
  position: absolute;
  left: 28px;
  bottom: 10px;
  width: 40px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), transparent);
  opacity: 0.55;
}

[data-theme="dark"] .about-lead::before {
  color: var(--primary);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 8px;
}

.about-item {
  position: relative;
  padding: 26px 24px;
  border-radius: 16px;
  background: #fdf8f1;
  border: 1px solid rgba(216, 104, 51, 0.12);
  overflow: hidden;
  transition: transform 0.32s cubic-bezier(0.22, 0.68, 0.32, 1),
              box-shadow 0.32s ease,
              border-color 0.32s ease,
              background 0.32s ease;
}

.about-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary), #f3a679);
  opacity: 0.7;
  transition: width 0.32s ease, opacity 0.32s ease;
}

.about-item::after {
  content: '';
  position: absolute;
  top: -32px;
  right: -32px;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(216, 104, 51, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  transition: transform 0.4s ease;
}

.about-item:hover {
  transform: translateY(-4px);
  background: #fff;
  border-color: rgba(216, 104, 51, 0.3);
  box-shadow: 0 22px 48px rgba(216, 104, 51, 0.18);
}

.about-item:hover::before {
  width: 6px;
  opacity: 1;
}

.about-item:hover::after {
  transform: scale(1.4);
}

.about-no {
  position: relative;
  z-index: 1;
  display: inline-block;
  padding: 4px 10px;
  margin-bottom: 12px;
  font-size: 12px;
  font-weight: 800;
  color: var(--primary);
  background: rgba(216, 104, 51, 0.12);
  border-radius: 6px;
  letter-spacing: 0.06em;
  font-family: 'Georgia', 'Times New Roman', serif;
  transition: background 0.32s ease, color 0.32s ease;
}

.about-item:hover .about-no {
  background: var(--primary);
  color: #fff;
}

.about-item h3 {
  position: relative;
  z-index: 1;
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
  color: #2a2a2a;
}

.about-item p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: #5a504a;
  font-size: 14.5px;
  line-height: 1.7;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.feature-grid.four {
  grid-template-columns: repeat(4, 1fr);
}

.feature-card,
.content-block,
.article-card,
.side-card,
.contact-form,
.contact-info,
.partner-block,
.faq-list {
  background: #fff;
  border-radius: 22px;
  border: 1px solid var(--line);
  box-shadow: 0 12px 32px rgba(43, 33, 24, 0.06);
}

.modules-section {
  position: relative;
}

.modules-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  border-radius: 2px;
}

.modules-section .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  justify-content: center;
}

.modules-section .eyebrow span {
  display: inline-block;
  width: 32px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  opacity: 0.7;
}

.feature-card {
  position: relative;
  padding: 32px 28px;
  min-height: 250px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.32s cubic-bezier(0.22, 0.68, 0.32, 1),
              box-shadow 0.32s ease,
              border-color 0.32s ease;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), #f3a679);
  opacity: 0;
  transition: opacity 0.32s ease;
}

.feature-card::after {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(216, 104, 51, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  transition: transform 0.4s ease;
}

.fc-no {
  position: absolute;
  top: 22px;
  right: 26px;
  font-size: 40px;
  font-weight: 800;
  color: rgba(216, 104, 51, 0.12);
  letter-spacing: -0.02em;
  line-height: 1;
  pointer-events: none;
  font-family: 'Georgia', 'Times New Roman', serif;
  z-index: 0;
  transition: color 0.32s ease;
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card:hover::after {
  transform: scale(1.4);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 32px 64px rgba(216, 104, 51, 0.18);
  border-color: rgba(216, 104, 51, 0.3);
}

.feature-card:hover .fc-no {
  color: rgba(216, 104, 51, 0.22);
}

.feature-card:hover .card-index {
  background: linear-gradient(135deg, var(--primary), #f3a679);
  color: #fff;
  transform: rotate(-8deg) scale(1.08);
  box-shadow: 0 8px 22px rgba(216, 104, 51, 0.25);
}

.feature-card:hover .feature-card a,
.feature-card:hover a {
  letter-spacing: 0.5px;
  gap: 10px;
}

.feature-card-wide .fc-no {
  font-size: 40px;
  top: 26px;
}
.side-card,
.contact-form,
.contact-info,
.partner-block,
.faq-list {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.feature-card {
  padding: 30px;
  min-height: 250px;
  display: flex;
  flex-direction: column;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 60px rgba(216, 104, 51, 0.14);
}

.feature-card-wide {
  grid-column: span 3;
}

.feature-card .card-index {
  margin-bottom: 16px;
}

.feature-card h3 {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}

.feature-card p {
  font-size: 14.5px;
  line-height: 1.7;
  margin: 0 0 12px;
}

.feature-card ul {
  margin: 0 0 12px;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.feature-card ul li::marker {
  color: var(--primary);
}

.feature-card .big-number {
  margin: 6px 0 12px;
}

.conversion-visual {
  position: relative;
  display: grid;
  gap: 16px;
  margin: 8px 0 16px;
  padding: 18px 18px 16px;
  overflow: hidden;
  border: 1px solid rgba(216, 104, 51, 0.18);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(216, 104, 51, 0.1), rgba(255, 255, 255, 0.82) 58%, rgba(255, 255, 255, 0.96)),
    repeating-linear-gradient(90deg, rgba(216, 104, 51, 0.035) 0, rgba(216, 104, 51, 0.035) 1px, transparent 1px, transparent 22px);
}

.conversion-visual::after {
  content: '';
  position: absolute;
  right: -38px;
  bottom: -52px;
  width: 138px;
  height: 138px;
  border: 1px solid rgba(216, 104, 51, 0.16);
  border-radius: 50%;
  box-shadow: 0 0 0 14px rgba(216, 104, 51, 0.035), 0 0 0 28px rgba(216, 104, 51, 0.025);
  pointer-events: none;
}

.conversion-visual-head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.conversion-visual-head span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.conversion-visual-head strong {
  color: var(--primary);
  font-size: 18px;
  line-height: 1;
  white-space: nowrap;
}

.conversion-compare {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
}

.conversion-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 46px;
  align-items: center;
  gap: 10px;
}

.conversion-row-label {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.conversion-row-value {
  color: var(--ink);
  font-size: 17px;
  line-height: 1;
  text-align: right;
}

.conversion-track {
  display: block;
  height: 11px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(216, 104, 51, 0.12);
  box-shadow: inset 0 1px 2px rgba(43, 33, 24, 0.08);
}

.conversion-fill {
  display: block;
  height: 100%;
  border-radius: inherit;
}

.conversion-fill-before {
  width: 31.6%;
  background: linear-gradient(90deg, #c8a15c, #e1c58c);
}

.conversion-fill-after {
  width: 100%;
  background: linear-gradient(90deg, var(--primary-dark), var(--primary), #ef9c69);
}

.feature-card > :last-child {
  margin-top: auto;
  margin-bottom: 0;
}

.feature-card a {
  color: var(--primary);
  font-weight: 800;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-end;
  transition: color 0.2s ease, gap 0.2s ease;
}

.case-card a {
  color: var(--primary);
  font-weight: 800;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease, gap 0.2s ease;
}

.feature-card a:hover {
  color: var(--primary-dark);
  gap: 10px;
}

.case-card a:hover {
  color: var(--primary-dark);
  gap: 10px;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  flex-shrink: 0;
  transition: transform 0.25s ease;
  vertical-align: middle;
  margin-top: -2px;
}

.feature-card a:hover .link-arrow,
.case-card a:hover .link-arrow {
  transform: translateX(3px);
}

.card-index,
.pin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  align-self: flex-start;
  color: var(--primary-dark);
  background: var(--primary-light);
  border-radius: 50%;
  font-size: 15px;
  font-weight: 900;
  line-height: 1;
}

.card-index {
  position: relative;
  z-index: 1;
  width: 60px;
  height: 60px;
  margin-bottom: 18px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(216, 104, 51, 0.14), rgba(216, 104, 51, 0.06));
  color: var(--primary);
  transition: all 0.32s cubic-bezier(0.22, 0.68, 0.32, 1);
  box-shadow: 0 6px 16px rgba(216, 104, 51, 0.1);
}

.card-index svg {
  display: block;
  width: 30px;
  height: 30px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.image-card {
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}

.image-card img {
  min-height: 340px;
  object-fit: cover;
}

.check-list,
.tag-list {
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.check-list li,
.tag-list li {
  margin: 10px 0;
  padding-left: 28px;
  position: relative;
}

.check-list li::before,
.tag-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 900;
  font-size: 16px;
}

.stat-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.stat-panel div {
  position: relative;
  padding: 30px 28px;
  border-radius: 22px;
  background: linear-gradient(135deg, #ffffff 0%, #fff7f0 100%);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform 0.32s cubic-bezier(0.22, 0.68, 0.32, 1),
              box-shadow 0.32s ease,
              border-color 0.32s ease;
}

.stat-panel div::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary), #f3a679);
  opacity: 0.85;
  transition: width 0.32s ease;
}

.stat-panel div::after {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(216, 104, 51, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  transition: transform 0.4s ease;
}

.stat-panel div:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 48px rgba(216, 104, 51, 0.18);
  border-color: rgba(216, 104, 51, 0.3);
}

.stat-panel div:hover::before {
  width: 6px;
}

.stat-panel div:hover::after {
  transform: scale(1.5);
}

.stat-no {
  position: absolute;
  top: 16px;
  right: 22px;
  font-size: 14px;
  font-weight: 800;
  color: rgba(216, 104, 51, 0.35);
  letter-spacing: 0.08em;
  font-family: 'Georgia', 'Times New Roman', serif;
  transition: color 0.32s ease;
}

.stat-panel div:hover .stat-no {
  color: rgba(216, 104, 51, 0.6);
}

.stat-panel strong,
.big-number {
  display: block;
  color: var(--primary);
  font-size: 56px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-top: 10px;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--primary) 0%, #f08b4d 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.intro-block h2 {
  font-size: 42px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
  position: relative;
  padding-left: 22px;
}

.intro-block h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 5px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--primary), #f3a679);
}

.intro-block p {
  font-size: 16px;
  line-height: 1.85;
  color: #555045;
  margin-bottom: 18px;
}

.function-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
}

.functions-section {
  position: relative;
  background: linear-gradient(180deg, #faf6f1 0%, #ffffff 100%);
}

.functions-section::before {
  display: none;
}

.functions-section .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  justify-content: center;
}

.functions-section .eyebrow span {
  display: inline-block;
  width: 32px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  opacity: 0.7;
}

.section-subtitle {
  margin-top: 16px;
  color: #6c6258;
  font-size: 17px;
  line-height: 1.6;
}

.function-list article {
  position: relative;
  padding: 32px 26px 26px;
  border-radius: 22px;
  background: #fff;
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform 0.32s cubic-bezier(0.22, 0.68, 0.32, 1),
              box-shadow 0.32s ease,
              border-color 0.32s ease;
}

.function-list article::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), #f3a679);
  opacity: 0;
  transition: opacity 0.32s ease;
}

.function-list article::after {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(216, 104, 51, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  transition: transform 0.4s ease;
}

.function-list article:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 60px rgba(216, 104, 51, 0.16);
  border-color: rgba(216, 104, 51, 0.35);
}

.function-list article:hover::before {
  opacity: 1;
}

.function-list article:hover::after {
  transform: scale(1.4);
}

.function-list article:hover .fn-icon {
  background: linear-gradient(135deg, var(--primary), #f3a679);
  color: #fff;
  transform: rotate(-8deg) scale(1.08);
}

.fn-index {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 38px;
  font-weight: 800;
  color: rgba(216, 104, 51, 0.12);
  letter-spacing: -0.02em;
  line-height: 1;
  pointer-events: none;
  font-family: 'Georgia', 'Times New Roman', serif;
  transition: color 0.32s ease;
}

.function-list article:hover .fn-index {
  color: rgba(216, 104, 51, 0.22);
}

.fn-icon {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  margin-bottom: 22px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(216, 104, 51, 0.12), rgba(216, 104, 51, 0.06));
  color: var(--primary);
  transition: all 0.32s cubic-bezier(0.22, 0.68, 0.32, 1);
  box-shadow: 0 6px 16px rgba(216, 104, 51, 0.1);
}

.function-list article h3 {
  position: relative;
  z-index: 1;
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--dark, #2a2a2a);
  letter-spacing: -0.01em;
}

.function-list article p {
  position: relative;
  z-index: 1;
  color: #6c6258;
  font-size: 14.5px;
  line-height: 1.7;
  margin: 0 0 0;
}

.function-list .fn-icon svg {
  width: 30px;
  height: 30px;
  position: relative;
  z-index: 1;
}

.stack {
  display: grid;
  gap: 24px;
}

@media (max-width: 880px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 881px) and (max-width: 1080px) {
  .about-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

[data-theme="dark"] .about-lead {
  color: rgba(230, 237, 243, 0.88);
  background:
    linear-gradient(120deg, rgba(255, 107, 53, 0.2) 0%, rgba(255, 107, 53, 0.06) 60%, rgba(0, 0, 0, 0) 100%),
    var(--paper, #161b22);
}

[data-theme="dark"] .about-item {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 107, 53, 0.18);
}

[data-theme="dark"] .about-item:hover {
  background: var(--paper, #161b22);
  border-color: rgba(255, 107, 53, 0.4);
}

[data-theme="dark"] .about-item h3 {
  color: var(--ink, #fff);
}

[data-theme="dark"] .about-item p {
  color: rgba(230, 237, 243, 0.7);
}

.content-block,
.article-card,
.side-card,
.contact-form,
.contact-info,
.partner-block,
.faq-list {
  padding: 34px;
}

.highlight {
  position: relative;
  display: block;
  padding: 14px 18px 14px 46px;
  margin-top: 18px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(216, 104, 51, 0.1) 0%, rgba(216, 104, 51, 0.04) 100%);
  color: var(--primary-dark) !important;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.7;
}

.highlight::before {
  content: '★';
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), #f3a679);
  color: #fff;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 900;
}

.content-block ol {
  counter-reset: cb-list;
  list-style: none;
  padding-left: 0;
  margin: 18px 0 22px;
}

.content-block ol li {
  position: relative;
  counter-increment: cb-list;
  padding: 10px 14px 10px 46px;
  margin-bottom: 8px;
  border-radius: 10px;
  color: #555045;
  font-size: 15px;
  line-height: 1.7;
  transition: background 0.24s ease;
}

.content-block ol li::before {
  content: counter(cb-list, decimal-leading-zero);
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 26px;
  height: 26px;
  padding: 0 6px;
  background: rgba(216, 104, 51, 0.12);
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  font-family: 'Georgia', 'Times New Roman', serif;
  border-radius: 8px;
  letter-spacing: 0.04em;
}

.content-block ol li:hover {
  background: rgba(216, 104, 51, 0.05);
}

/* ===== 分类彩色标签色板（视频教程 / 新闻动态 / 后台管理通用） =====
   基础为浅色值；前端深色用 [data-theme="dark"]；
   后台默认深色（html 无 data-theme 属性）用 body.admin-body 覆盖 */
.video-cat-c1 { color: #1f9d55; background: #e6f7ed; }  /* 绿 · 新手入门/品牌动态 */
.video-cat-c2 { color: #2563eb; background: #e8f0fe; }  /* 蓝 · 门店运营/行业洞察 */
.video-cat-c3 { color: #7c3aed; background: #f1e9fe; }  /* 紫 · AI设计 */
.video-cat-c4 { color: #d86833; background: #fdeee4; }  /* 橙 · 营销获客 */
.video-cat-c5 { color: #0d9488; background: #e2f6f4; }  /* 青 */
.video-cat-c6 { color: #db2777; background: #fde9f1; }  /* 粉 */
.video-cat-c7 { color: #4f46e5; background: #eef0fe; }  /* 靛蓝 */
.video-cat-c8 { color: #b45309; background: #fdf1df; }  /* 琥珀 */
.video-cat-c9 { color: #0891b2; background: #e0f5fa; }  /* 天青 */
.video-cat-c10 { color: #e11d48; background: #fde8ee; } /* 玫红 */

[data-theme="dark"] .video-cat-c1 { color: #4ade80; background: rgba(74, 222, 128, 0.12); }
[data-theme="dark"] .video-cat-c2 { color: #60a5fa; background: rgba(96, 165, 250, 0.12); }
[data-theme="dark"] .video-cat-c3 { color: #a78bfa; background: rgba(167, 139, 250, 0.12); }
[data-theme="dark"] .video-cat-c4 { color: #ff8a5c; background: rgba(255, 107, 53, 0.12); }
[data-theme="dark"] .video-cat-c5 { color: #2dd4bf; background: rgba(45, 212, 191, 0.12); }
[data-theme="dark"] .video-cat-c6 { color: #f472b6; background: rgba(244, 114, 182, 0.12); }
[data-theme="dark"] .video-cat-c7 { color: #818cf8; background: rgba(129, 140, 248, 0.12); }
[data-theme="dark"] .video-cat-c8 { color: #fbbf24; background: rgba(251, 191, 36, 0.12); }
[data-theme="dark"] .video-cat-c9 { color: #22d3ee; background: rgba(34, 211, 238, 0.12); }
[data-theme="dark"] .video-cat-c10 { color: #fb7185; background: rgba(251, 113, 133, 0.12); }

html:not([data-theme="light"]) body.admin-body .video-cat-c1 { color: #4ade80; background: rgba(74, 222, 128, 0.12); }
html:not([data-theme="light"]) body.admin-body .video-cat-c2 { color: #60a5fa; background: rgba(96, 165, 250, 0.12); }
html:not([data-theme="light"]) body.admin-body .video-cat-c3 { color: #a78bfa; background: rgba(167, 139, 250, 0.12); }
html:not([data-theme="light"]) body.admin-body .video-cat-c4 { color: #ff8a5c; background: rgba(255, 107, 53, 0.12); }
html:not([data-theme="light"]) body.admin-body .video-cat-c5 { color: #2dd4bf; background: rgba(45, 212, 191, 0.12); }
html:not([data-theme="light"]) body.admin-body .video-cat-c6 { color: #f472b6; background: rgba(244, 114, 182, 0.12); }
html:not([data-theme="light"]) body.admin-body .video-cat-c7 { color: #818cf8; background: rgba(129, 140, 248, 0.12); }
html:not([data-theme="light"]) body.admin-body .video-cat-c8 { color: #fbbf24; background: rgba(251, 191, 36, 0.12); }
html:not([data-theme="light"]) body.admin-body .video-cat-c9 { color: #22d3ee; background: rgba(34, 211, 238, 0.12); }
html:not([data-theme="light"]) body.admin-body .video-cat-c10 { color: #fb7185; background: rgba(251, 113, 133, 0.12); }

.cta-section {
  background:
    linear-gradient(105deg, rgba(18, 10, 5, 0.9) 0%, rgba(43, 24, 13, 0.74) 46%, rgba(178, 78, 30, 0.4) 100%),
    url('https://images.unsplash.com/photo-1517646287270-a5a9ca602e5c?auto=format&fit=crop&w=2000&q=80') center/cover no-repeat;
}

.cta-card {
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  margin-top: 0;
  padding: 46px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  box-shadow: var(--shadow);
}

.cta-card p {
  max-width: 720px;
  color: var(--muted);
}

.logo-wall {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin: 16px 0 28px;
}

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

.logo-wall span {
  display: grid;
  place-items: center;
  min-height: 86px;
  padding: 16px;
  border-radius: 18px;
  background: linear-gradient(135deg, #faf7f2, var(--primary-light));
  border: 1px solid var(--line);
  color: var(--primary-dark);
  font-weight: 900;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.logo-wall span:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(216, 104, 51, 0.14);
}

.partner-block {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(26px, 4vw, 42px);
  background:
    radial-gradient(circle at 100% 0%, rgba(216, 104, 51, 0.12), transparent 30%),
    linear-gradient(145deg, #ffffff 0%, #fffaf6 58%, #fff3e9 100%);
  border-color: rgba(216, 104, 51, 0.16);
  box-shadow: 0 22px 60px rgba(122, 76, 41, 0.12);
}

.partner-block::before,
.partner-block::after {
  content: '';
  position: absolute;
  pointer-events: none;
  z-index: -1;
}

.partner-block::before {
  top: -100px;
  right: -80px;
  width: 260px;
  height: 260px;
  border: 1px solid rgba(216, 104, 51, 0.12);
  border-radius: 50%;
  box-shadow: 0 0 0 26px rgba(216, 104, 51, 0.035), 0 0 0 52px rgba(216, 104, 51, 0.025);
}

.partner-block::after {
  left: 0;
  bottom: 0;
  width: 180px;
  height: 140px;
  opacity: 0.45;
  background: linear-gradient(135deg, rgba(216, 104, 51, 0.08), transparent 68%);
  clip-path: polygon(0 100%, 0 26%, 100% 100%);
}

.partner-block > * {
  position: relative;
  z-index: 1;
}

.partner-block h3 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.4;
  letter-spacing: -0.02em;
}

.partner-block h3::before {
  content: '';
  width: 8px;
  height: 8px;
  flex: none;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 6px rgba(216, 104, 51, 0.12);
}

.partner-block h3::after {
  content: '';
  width: min(180px, 18vw);
  height: 1px;
  margin-left: 2px;
  background: linear-gradient(90deg, rgba(216, 104, 51, 0.34), transparent);
}

.partner-block h3:not(:first-child) {
  margin-top: 30px;
}

.partner-block .logo-wall,
.partner-block .logo-wall.small {
  grid-template-columns: repeat(auto-fit, minmax(156px, 1fr));
  gap: 14px;
  margin: 16px 0 0;
}

.partner-block .logo-wall.small {
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.partner-block .partner-logo-item {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 96px;
  overflow: hidden;
  padding: 16px 20px;
  border: 1px solid rgba(216, 104, 51, 0.15);
  border-radius: 17px;
  background: linear-gradient(135deg, rgba(250, 245, 240, 0.98), rgba(246, 231, 220, 0.9));
  color: var(--primary-dark);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.45;
  text-align: center;
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease, background 0.28s ease;
}

.partner-block .partner-logo-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 18%, rgba(255, 255, 255, 0.68) 48%, transparent 78%);
  transform: translateX(-130%);
  transition: transform 0.55s ease;
}

.partner-block .partner-logo-item::after {
  content: '';
  position: absolute;
  right: 18px;
  bottom: 12px;
  left: 18px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(216, 104, 51, 0.32), transparent);
  opacity: 0;
  transform: scaleX(0.5);
  transition: opacity 0.28s ease, transform 0.28s ease;
}

.partner-block .partner-logo-item.is-link {
  cursor: pointer;
}

.partner-block .partner-logo-item img {
  position: relative;
  z-index: 1;
  width: auto;
  max-width: 100%;
  height: 54px;
  object-fit: contain;
  transition: transform 0.28s ease, filter 0.28s ease;
}

/* 纯白色 logo：JS 检测后直接把图片白色像素改成 #333333（见 js/partners-wall.js），无需背景衬底 */

.partner-block .partner-logo-item.is-text {
  min-height: 96px;
  padding-right: 26px;
  padding-left: 26px;
  color: var(--primary-dark);
}

.partner-block .partner-logo-item:hover,
.partner-block .partner-logo-item:focus-visible {
  border-color: rgba(216, 104, 51, 0.34);
  background: linear-gradient(135deg, #faf5f0, #f6e7dc);
  box-shadow: 0 16px 32px rgba(216, 104, 51, 0.16);
  transform: translateY(-4px);
}

.partner-block .partner-logo-item:hover::before,
.partner-block .partner-logo-item:focus-visible::before {
  transform: translateX(130%);
}

.partner-block .partner-logo-item:hover::after,
.partner-block .partner-logo-item:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.partner-block .partner-logo-item:hover img,
.partner-block .partner-logo-item:focus-visible img {
  filter: saturate(1.08);
  transform: scale(1.045);
}

.partner-block .partner-logo-item:focus-visible {
  outline: 3px solid rgba(216, 104, 51, 0.28);
  outline-offset: 3px;
}

.partner-block > p:last-child {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 30px 0 0;
  padding: 14px 18px;
  border: 1px solid rgba(216, 104, 51, 0.12);
  border-radius: 14px;
  background: rgba(216, 104, 51, 0.055);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.partner-block > p:last-child::before {
  content: '✦';
  flex: none;
  margin-top: 1px;
  color: var(--primary);
  font-size: 16px;
  line-height: 1.4;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.case-card {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 60px rgba(216, 104, 51, 0.14);
}

.case-card img {
  height: 280px;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.04);
  transition: transform 0.45s ease, filter 0.45s ease;
}

.case-card:hover img {
  filter: saturate(1) contrast(1.06);
  transform: scale(1.035);
}

.case-card div {
  padding: 28px;
}

.case-card h2 {
  display: flex;
  align-items: center;
  gap: 12px;
}

.case-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 8px 20px rgba(216, 104, 51, 0.28);
}

.case-icon svg {
  width: 20px;
  height: 20px;
}

.faq-list details {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
}

.news-layout {
  align-items: start;
  grid-template-columns: 1.6fr 0.8fr;
}

.article-card p {
  font-size: 17px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: start;
}

.contact-form label {
  display: block;
  margin-bottom: 16px;
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 13px 14px;
  font: inherit;
  color: var(--ink);
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(216, 104, 51, 0.12);
}

/* 联系申请表清空按钮在输入框内水平居中 */
.contact-form .custom-select {
  margin-top: 8px;
}
.contact-form .clearable-field.is-textarea .input-clear-btn {
  left: auto;
  right: 10px;
  transform: none;
  top: 10px;
}

/* ===== 自定义下拉框 ===== */
.custom-select {
  position: relative;
  width: 100%;
  min-width: 0;
  font: inherit;
}

/* 原生 select：隐藏但仍参与表单提交与必填校验 */
.custom-select__native {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  opacity: 0;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  color: transparent;
  pointer-events: none;
}

.custom-select__control {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.custom-select__control:hover {
  border-color: var(--primary);
}

.custom-select__control:focus,
.custom-select.is-open .custom-select__control {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(216, 104, 51, 0.12);
}

.custom-select__control.is-disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.custom-select__value {
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.custom-select__value.is-placeholder {
  color: var(--muted);
}

.custom-select__arrow {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  color: var(--muted);
  transition: transform 0.2s ease, color 0.2s ease;
}

.custom-select.is-open .custom-select__arrow {
  transform: rotate(180deg);
  color: var(--primary);
}

.custom-select__list {
  position: absolute;
  z-index: 60;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  max-height: 260px;
  overflow-y: auto;
  margin: 0;
  padding: 6px;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 18px 42px rgba(20, 12, 6, 0.16);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s ease;
}

.custom-select.is-open .custom-select__list {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.custom-select.is-open-up .custom-select__list {
  top: auto;
  bottom: calc(100% + 8px);
  transform: translateY(6px);
}

.custom-select.is-open-up.is-open .custom-select__list {
  transform: translateY(0);
}

.custom-select__option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--ink);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.custom-select__option:hover,
.custom-select__option.is-active {
  background: rgba(216, 104, 51, 0.1);
}

.custom-select__option.is-selected {
  background: rgba(216, 104, 51, 0.14);
  color: var(--primary-dark);
  font-weight: 700;
}

.custom-select__option.is-disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.custom-select__option.is-placeholder {
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
  cursor: default;
  user-select: none;
  pointer-events: none;
}

.custom-select__option.is-placeholder .custom-select__check {
  display: none;
}

.custom-select__option.is-hidden {
  display: none;
}

.custom-select__check {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  opacity: 0;
  color: var(--primary);
}

.custom-select__option.is-selected .custom-select__check {
  opacity: 1;
}

.custom-select__group-label {
  padding: 8px 12px 4px;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
}

[data-theme="dark"] .custom-select__control {
  background: var(--paper);
  border-color: var(--line);
  color: var(--ink);
}

[data-theme="dark"] .custom-select__list {
  background: var(--paper);
  border-color: var(--line);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.45);
}

[data-theme="dark"] .custom-select__option {
  color: var(--ink);
}

[data-theme="dark"] .custom-select__option:hover,
[data-theme="dark"] .custom-select__option.is-active {
  background: rgba(255, 107, 53, 0.12);
}

[data-theme="dark"] .custom-select__option.is-selected {
  background: rgba(255, 107, 53, 0.18);
  color: var(--primary);
}

/* ===== 合作品牌 Logo 墙 ===== */
.partners-wall-section {
  padding: 56px 0 24px;
}

.partners-wall-head {
  text-align: center;
}

.partners-wall-title {
  margin: 0 0 6px;
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: -0.02em;
}

.partners-wall-subtitle {
  margin: 0 0 28px;
  color: var(--muted);
}

.partners-wall {
  position: relative;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  overflow: hidden;
}

/* 左右边缘渐隐，让 Logo 滚动看起来更柔和 */
.partners-wall::before,
.partners-wall::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 96px;
  z-index: 2;
  pointer-events: none;
}

.partners-wall::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg) 0%, transparent 100%);
}

.partners-wall::after {
  right: 0;
  background: linear-gradient(270deg, var(--bg) 0%, transparent 100%);
}

.partners-wall-row {
  overflow: hidden;
  margin-bottom: 18px;
}

.partners-wall-track {
  display: flex;
  width: max-content;
  animation: partners-marquee-left 30s linear infinite;
}

.partners-wall-track.is-right {
  animation-name: partners-marquee-right;
}

.partners-wall-row:hover .partners-wall-track {
  animation-play-state: paused;
}

.partners-wall-group {
  display: flex;
  gap: 24px;
  padding-right: 24px;
}

.partner-wall-card {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 150px;
  height: 74px;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
  box-shadow: 0 8px 20px rgba(89, 53, 32, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.partner-wall-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: 0 12px 26px rgba(89, 53, 32, 0.1);
}

.partner-wall-card img {
  max-width: 120px;
  max-height: 46px;
  object-fit: contain;
}

.partner-wall-card img.is-hidden {
  display: none;
}

.partner-wall-card.is-text span {
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0.02em;
}

@keyframes partners-marquee-left {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes partners-marquee-right {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}

[data-theme="dark"] .partners-wall-section {
  background: transparent;
}

/* 深色模式下滚动 logo 墙卡片沿用浅色模式的背景色（--paper 在深色下是深色值，故写死浅色值） */
[data-theme="dark"] .partner-wall-card {
  background: #ffffff;
  border-color: var(--line);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

/* 卡片底色变浅后，纯文字卡片文字也用深色保证可读 */
[data-theme="dark"] .partner-wall-card.is-text span {
  color: var(--primary-dark);
}

.qr-box {
  display: inline-grid;
  place-items: center;
  vertical-align: middle;
  width: 132px;
  height: 132px;
  margin: 10px 10px 0 0;
  border-radius: 18px;
  background: repeating-linear-gradient(45deg, var(--primary-light), var(--primary-light) 8px, #fff 8px, #fff 16px);
  border: 1px dashed var(--primary);
  color: var(--primary-dark);
  font-weight: 800;
  text-align: center;
}

.qr-box.qr-img {
  background: #fff;
  border: 1px solid rgba(237, 227, 216, 0.9);
  padding: 6px;
  object-fit: contain;
}

.qr-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 10px;
}

.qr-wrap > div {
  text-align: center;
}

.qr-caption {
  margin: 8px 0 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-dark);
}

.site-footer {
  color: rgba(255, 255, 255, 0.78);
  background: linear-gradient(180deg, var(--dark), #1a0f07);
  padding: 54px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: auto auto auto auto;
  justify-content: space-between;
  gap: 32px 24px;
}

.site-footer h3,
.site-footer h4 {
  color: #fff;
  margin: 0 0 12px;
}

.footer-logo {
  display: block;
  height: 28px;
  width: auto;
  margin: 0 0 12px;
}

.site-footer p {
  margin: 6px 0;
}

.footer-grid > div:nth-child(3) p {
  font-size: 14px;
}

.footer-company {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.58);
}

.footer-legal {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 36px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.52);
}

.footer-legal a {
  display: inline;
  margin: 0;
  color: inherit;
}

.site-footer a {
  display: block;
  margin: 6px 0;
  color: rgba(255, 255, 255, 0.78);
  transition: color 0.2s ease;
}

.site-footer a:hover {
  color: var(--primary);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px 18px;
}

.footer-links a {
  margin: 0;
  font-size: 14px;
}

.footer-qr-list {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-qr-list > div {
  text-align: center;
}

.footer-qr {
  display: inline-grid;
  place-items: center;
  vertical-align: middle;
  width: 90px;
  height: 90px;
  border-radius: 12px;
  background: repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.08) 6px, transparent 6px, transparent 12px);
  border: 1px dashed rgba(255, 255, 255, 0.45);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  text-align: center;
}

.footer-qr.qr-img {
  background: #fff;
  border: 1px solid rgba(237, 227, 216, 0.9);
  padding: 4px;
  object-fit: contain;
}

.footer-qr-caption {
  margin: 6px 0 0;
  font-size: 12px;
  text-align: center;
  color: rgba(255, 255, 255, 0.78);
}

/* 桌面端：联系信息与快捷链接保持单行不换行 */
@media (min-width: 1081px) {
  .footer-grid > div:nth-child(3) p {
    white-space: nowrap;
  }

  .footer-links a {
    white-space: nowrap;
  }
}

@media (max-width: 1080px) {
  .nav-toggle {
    display: inline-flex;
  }

  /* 移动端：将“目录”按钮放到“深色/浅色切换”按钮之后 */
  .nav-wrap {
    gap: 10px;
    justify-content: flex-start;
  }

  .brand {
    order: 1;
    margin-right: auto;
  }

  .theme-toggle {
    order: 2;
  }

  .nav-actions {
    order: 2;
    gap: 6px;
  }

  .nav-toggle {
    order: 3;
    margin-left: 8px;
  }

  .main-nav {
    order: 4;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px 20px;
    gap: 4px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 40px rgba(43, 33, 24, 0.10);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
  }

  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav a {
    border-radius: 14px;
    padding: 12px 16px;
    font-size: 15px;
  }

  .main-nav a::after {
    display: none;
  }

  .main-nav a:hover {
    transform: none;
    background: transparent;
  }

  .feature-grid,
  .feature-grid.four,
  .function-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-card-wide {
    grid-column: span 2;
  }
}

@media (max-width: 760px) {
  .hero {
    min-height: 620px;
  }

  .section {
    padding: 64px 0;
  }

  .two-col,
  .news-layout,
  .contact-grid,
  .case-grid,
  .footer-grid,
  .feature-grid,
  .feature-grid.three,
  .feature-grid.four,
  .function-list,
  .logo-wall,
  .logo-wall.small {
    grid-template-columns: 1fr;
  }

  .feature-card-wide {
    grid-column: span 1;
  }

  .hero-content {
    margin-left: auto;
  }

  .content-block,
  .article-card,
  .side-card,
  .contact-form,
  .contact-info,
  .partner-block,
  .faq-list,
  .cta-card {
    padding: 24px;
  }

  .footer-legal {
    flex-direction: column;
    gap: 6px;
    text-align: center;
  }

}

/* ===== 主题切换按钮 ===== */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: rgba(216, 104, 51, 0.1);
  color: var(--primary);
  cursor: pointer;
  transition: all 0.3s ease;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  background: var(--primary-light);
  transform: rotate(180deg) scale(1.1);
}

.theme-toggle:active {
  transform: rotate(180deg) scale(0.95);
}

.theme-toggle .theme-toggle-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
}

.theme-toggle .theme-toggle-icon svg {
  width: 22px;
  height: 22px;
}

/* ===== 语言切换按钮 ===== */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 64px;
  height: 40px;
  border: none;
  border-radius: 999px;
  background: rgba(216, 104, 51, 0.1);
  color: var(--primary);
  cursor: pointer;
  transition: all 0.3s ease;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.lang-toggle:hover {
  background: var(--primary-light);
  transform: scale(1.1);
}

.lang-toggle:active {
  transform: scale(0.95);
}

.lang-toggle .lang-toggle-label {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 100%;
  pointer-events: none;
  user-select: none;
}

.lang-toggle .lang-toggle-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 17px;
  height: 17px;
  flex-shrink: 0;
  pointer-events: none;
}

.lang-toggle .lang-toggle-icon svg {
  width: 17px;
  height: 17px;
}

/* ===== 深色模式变量覆盖 ===== */
[data-theme="dark"] {
  --bg: #0d1117;
  --paper: #161b22;
  --ink: #e6edf3;
  --muted: #8b949e;
  --line: #21262d;
  --primary: #ff6b35;
  --primary-dark: #c44516;
  --primary-light: rgba(255, 107, 53, 0.12);
  --gold: #d4a05c;
  --dark: #0d1117;
  --shadow: 0 20px 55px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] body {
  color: var(--ink);
  background: var(--bg);
}

[data-theme="dark"] .site-header {
  background: rgba(13, 17, 23, 0.85);
  border-bottom-color: rgba(48, 54, 61, 0.5);
}

[data-theme="dark"] .site-header.scrolled {
  background: rgba(13, 17, 23, 0.96);
  border-bottom-color: rgba(255, 107, 53, 0.18);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .main-nav a {
  color: #b1bac4;
}

[data-theme="dark"] .main-nav a:hover {
  color: var(--primary);
  background: transparent;
}

[data-theme="dark"] .main-nav a.active {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

[data-theme="dark"] .main-nav {
  background: rgba(13, 17, 23, 0.98);
  border-bottom-color: var(--line);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .nav-toggle {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

[data-theme="dark"] .hero::after {
  background: linear-gradient(0deg, var(--bg), transparent);
}

[data-theme="dark"] .section-light {
  background: #161b22;
}

[data-theme="dark"] .section-dark {
  background: radial-gradient(circle at top left, #1a1208, var(--dark) 55%);
}

[data-theme="dark"] .visual-section {
  background: var(--bg);
}

[data-theme="dark"] .section-dark p {
  color: rgba(230, 237, 243, 0.7);
}

[data-theme="dark"] .feature-card,
[data-theme="dark"] .content-block,
[data-theme="dark"] .article-card,
[data-theme="dark"] .side-card,
[data-theme="dark"] .contact-form,
[data-theme="dark"] .contact-info,
[data-theme="dark"] .partner-block,
[data-theme="dark"] .faq-list {
  background: var(--paper);
  border-color: var(--line);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .feature-card:hover {
  box-shadow: 0 28px 60px rgba(255, 107, 53, 0.15);
}

[data-theme="dark"] .feature-card .card-index {
  background: rgba(255, 107, 53, 0.16);
  box-shadow: none;
}

[data-theme="dark"] .feature-card:hover .card-index {
  background: linear-gradient(135deg, var(--primary), #f3a679);
}

[data-theme="dark"] .fc-no {
  color: rgba(255, 107, 53, 0.16);
}

[data-theme="dark"] .feature-card:hover .fc-no {
  color: rgba(255, 107, 53, 0.28);
}

[data-theme="dark"] .conversion-visual {
  border-color: rgba(255, 107, 53, 0.22);
  background:
    linear-gradient(135deg, rgba(255, 107, 53, 0.14), rgba(22, 27, 34, 0.94) 62%, rgba(255, 107, 53, 0.06)),
    repeating-linear-gradient(90deg, rgba(255, 107, 53, 0.045) 0, rgba(255, 107, 53, 0.045) 1px, transparent 1px, transparent 22px);
}

[data-theme="dark"] .conversion-track {
  background: rgba(255, 107, 53, 0.14);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .feature-card h3 {
  color: var(--ink);
}

[data-theme="dark"] .feature-card p,
[data-theme="dark"] .article-card p,
[data-theme="dark"] .contact-info p,
[data-theme="dark"] .section-head p,
[data-theme="dark"] .two-col p,
[data-theme="dark"] .content-block p,
[data-theme="dark"] .feature-card p,
[data-theme="dark"] .cta-card p {
  color: var(--muted);
}

[data-theme="dark"] .feature-card a,
[data-theme="dark"] .case-card a {
  color: var(--primary);
}

[data-theme="dark"] .card-index,
[data-theme="dark"] .pin {
  color: var(--primary);
  background: var(--primary-light);
}

[data-theme="dark"] .image-card {
  border-color: var(--line);
}

[data-theme="dark"] .stat-panel div {
  background: linear-gradient(135deg, var(--paper), rgba(255, 107, 53, 0.06));
  border-color: var(--line);
}

[data-theme="dark"] .stat-no {
  color: rgba(255, 107, 53, 0.4);
}

[data-theme="dark"] .intro-block p {
  color: rgba(230, 237, 243, 0.75);
}

[data-theme="dark"] .function-list article {
  background: var(--paper);
  border-color: var(--line);
}

[data-theme="dark"] .function-list .fn-icon {
  background: rgba(255, 107, 53, 0.16);
  box-shadow: none;
}

[data-theme="dark"] .function-list article p {
  color: rgba(230, 237, 243, 0.7);
}

[data-theme="dark"] .function-list article h3 {
  color: var(--ink, #fff);
}

[data-theme="dark"] .functions-section {
  background: linear-gradient(180deg, var(--bg, #0d1117) 0%, #161b22 100%);
}

[data-theme="dark"] .function-list article:hover {
  box-shadow: 0 24px 52px rgba(255, 107, 53, 0.1);
}

[data-theme="dark"] .cta-section {
  background:
    linear-gradient(105deg, rgba(10, 8, 6, 0.94) 0%, rgba(20, 14, 10, 0.82) 46%, rgba(120, 55, 25, 0.45) 100%),
    url('https://images.unsplash.com/photo-1517646287270-a5a9ca602e5c?auto=format&fit=crop&w=2000&q=80') center/cover no-repeat;
}

[data-theme="dark"] .cta-card {
  background: var(--paper);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .logo-wall span {
  background: linear-gradient(135deg, var(--paper), rgba(255, 107, 53, 0.06));
  border-color: var(--line);
  color: var(--primary);
}

[data-theme="dark"] .case-card {
  background: var(--paper);
  border-color: var(--line);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .case-card:hover {
  box-shadow: 0 28px 60px rgba(255, 107, 53, 0.15);
}

[data-theme="dark"] .faq-list details {
  border-top-color: var(--line);
}

[data-theme="dark"] .contact-form input,
[data-theme="dark"] .contact-form select,
[data-theme="dark"] .contact-form textarea {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--line);
}

[data-theme="dark"] .contact-form input:focus,
[data-theme="dark"] .contact-form select:focus,
[data-theme="dark"] .contact-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.12);
}

[data-theme="dark"] .qr-box {
  background: repeating-linear-gradient(45deg, rgba(255, 107, 53, 0.08), rgba(255, 107, 53, 0.08) 8px, var(--paper) 8px, var(--paper) 16px);
  border-color: var(--primary);
  color: var(--primary);
}

[data-theme="dark"] .qr-box.qr-img {
  background: #fff;
  border: 1px solid rgba(237, 227, 216, 0.9);
}

[data-theme="dark"] .site-footer {
  background: linear-gradient(180deg, #0d1117, #06090d);
  border-top: 1px solid var(--line);
}

[data-theme="dark"] .section-head h2,
[data-theme="dark"] .two-col h2,
[data-theme="dark"] .content-block h2,
[data-theme="dark"] .cta-card h2,
[data-theme="dark"] .article-card h2,
[data-theme="dark"] .contact-form h2,
[data-theme="dark"] .contact-info h2,
[data-theme="dark"] .faq-list h2 {
  color: var(--ink);
}

[data-theme="dark"] .highlight {
  color: var(--primary) !important;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.16) 0%, rgba(255, 107, 53, 0.06) 100%);
}

[data-theme="dark"] .content-block ol li {
  color: rgba(230, 237, 243, 0.75);
}

[data-theme="dark"] .content-block ol li::before {
  background: rgba(255, 107, 53, 0.18);
}

[data-theme="dark"] .cb-no {
  color: rgba(255, 107, 53, 0.16);
}

[data-theme="dark"] .content-block:hover .cb-no {
  color: rgba(255, 107, 53, 0.32);
}

[data-theme="dark"] .cb-subtitle {
  color: rgba(255, 107, 53, 0.7);
}

[data-theme="dark"] .content-block .card-index {
  background: rgba(255, 107, 53, 0.16);
  box-shadow: none;
}

[data-theme="dark"] .check-list li::before,
[data-theme="dark"] .tag-list li::before {
  color: var(--primary);
}

/* 移动端主题按钮适配 */
@media (max-width: 1080px) {
  .theme-toggle {
    width: 36px;
    height: 36px;
  }

  .lang-toggle {
    width: 60px;
    height: 36px;
  }

}

/* ============================================
   全局滚动条美化（悬停显示，移动端隐藏）
   ============================================ */

/* Firefox：不支持 ::-webkit-scrollbar，用标准属性模拟悬停显示 */
/* 注意：Chrome 121+ 也支持 scrollbar-width/color，但设置后会禁用
   ::-webkit-scrollbar 自定义样式，因此必须限定在不支持的浏览器上 */
@supports not selector(::-webkit-scrollbar) {
  * {
    scrollbar-width: thin;
    scrollbar-color: transparent transparent;
  }
  *:hover {
    scrollbar-color: rgba(148, 120, 105, 0.45) transparent;
  }
  [data-theme="dark"] *:hover {
    scrollbar-color: rgba(180, 158, 145, 0.55) transparent;
  }
}

/* WebKit（Chrome / Edge / Safari） */
*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
*::-webkit-scrollbar-track {
  background: transparent;
}
*::-webkit-scrollbar-thumb {
  background: transparent;
  border: 2px solid transparent;
  border-radius: 999px;
  background-clip: padding-box;
}
*::-webkit-scrollbar-thumb:hover,
*:hover::-webkit-scrollbar-thumb {
  background: rgba(148, 120, 105, 0.45);
}
*:hover::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 120, 105, 0.65);
}
[data-theme="dark"] *:hover::-webkit-scrollbar-thumb {
  background: rgba(180, 158, 145, 0.55);
}
[data-theme="dark"] *:hover::-webkit-scrollbar-thumb:hover {
  background: rgba(180, 158, 145, 0.75);
}

/* 移动端 / 触屏设备：完全隐藏滚动条 */
@media (max-width: 1080px), (hover: none), (pointer: coarse) {
  * {
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  *::-webkit-scrollbar {
    display: none;
  }
}

[data-theme="dark"] .partner-block {
  background:
    radial-gradient(circle at 100% 0%, rgba(255, 107, 53, 0.15), transparent 30%),
    linear-gradient(145deg, #1c222b 0%, #161b22 58%, #211914 100%);
  border-color: rgba(255, 107, 53, 0.22);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.32);
}

[data-theme="dark"] .partner-block h3 {
  color: var(--ink);
}

/* 深色模式下 logo 卡片沿用浅色模式的背景色 */
[data-theme="dark"] .partner-block .partner-logo-item,
[data-theme="dark"] .partner-block .partner-logo-item.is-text {
  border-color: rgba(216, 104, 51, 0.15);
  background: linear-gradient(135deg, rgba(250, 245, 240, 0.98), rgba(246, 231, 220, 0.9));
  color: var(--primary-dark);
}

[data-theme="dark"] .partner-block .partner-logo-item:hover,
[data-theme="dark"] .partner-block .partner-logo-item:focus-visible {
  border-color: rgba(216, 104, 51, 0.34);
  background: linear-gradient(135deg, #faf5f0, #f6e7dc);
  box-shadow: 0 16px 32px rgba(216, 104, 51, 0.16);
}

[data-theme="dark"] .partner-block > p:last-child {
  border-color: rgba(255, 107, 53, 0.18);
  background: rgba(255, 107, 53, 0.08);
  color: #aeb8c3;
}

@media (max-width: 480px) {
  .partner-block {
    padding: 20px 16px;
  }

  .partner-block h3 {
    gap: 10px;
    font-size: 18px;
  }

  .partner-block h3::after {
    width: min(110px, 20vw);
  }

  .partner-block h3:not(:first-child) {
    margin-top: 24px;
  }

  .partner-block .logo-wall,
  .partner-block .logo-wall.small {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 12px;
  }

  .partner-block .logo-wall.small {
    grid-template-columns: 1fr;
  }

  .partner-block .partner-logo-item,
  .partner-block .partner-logo-item.is-text {
    min-height: 82px;
    padding: 12px 10px;
    border-radius: 13px;
    font-size: 13px;
  }

  .partner-block .partner-logo-item img {
    height: 46px;
  }

  .partner-block > p:last-child {
    margin-top: 24px;
    padding: 12px 13px;
    font-size: 13px;
  }
}

/* ===== 分页器（视频教程列表 / 新闻动态列表通用） ===== */
.pagination-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 34px;
}

.pagination-btn {
  min-width: 38px;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.pagination-btn:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
}

.pagination-btn.is-active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(216, 104, 51, 0.25);
}

.pagination-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination-ellipsis {
  color: var(--muted);
  padding: 0 2px;
}