:root {
  --bs-font-sans-serif: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", system-ui, sans-serif;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;

  /* 现代新国潮飞云风色彩规范 (Neo-Chinese Azure, Pine & Gold) */
  --c-p:           #1A3B5C; /* 霁蓝 / 石青 (Imperial Azure) */
  --c-p-l:         #316794; /* 碧空天青 (Light Azure) */
  --c-p-d:         #0E2238; /* 墨青 / 黛蓝 (Midnight Azure) */
  --c-teal:        #0F766E; /* 松烟翠羽 (Pine Teal) */
  --c-gold:        #D97706; /* 曜金 / 泥金 (Imperial Gold) */
  --c-gold-l:      #F59E0B; /* 晨曦金 (Bright Amber) */
  --c-gold-subtle: rgba(217, 119, 6, 0.12);
  --c-seal:        #B45309; /* 朱红泥金印章色 (Seal Ochre) */

  --c-bg:          #FAF8F5; /* 宣纸绢帛暖白 (Xuan Parchment White) */
  --c-card-bg:     rgba(255, 255, 255, 0.90);
  --c-card-hot:    linear-gradient(180deg, #FFFFFF 0%, #FAF6EE 100%);
  --c-text:        #141C24; /* 徽墨浓黑 (Deep Ink) */
  --c-text2:       #435262; /* 烟墨黛灰 (Muted Ink) */
  --c-text3:       #8392A0; /* 远山轻青 (Foggy Slate) */

  --c-border:      rgba(26, 59, 92, 0.12);
  --c-border-gold: rgba(217, 119, 6, 0.35);
  --c-glow:        rgba(26, 59, 92, 0.10);
  --c-glow-gold:   rgba(217, 119, 6, 0.18);
}

body {
  font-family: var(--bs-font-sans-serif);
  background-color: var(--c-bg);
  color: var(--c-text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(26, 59, 92, 0.03) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(217, 119, 6, 0.03) 0%, transparent 40%);
}

a { text-decoration: none; }

:where(a, button, input, select, textarea):focus-visible {
  outline: 3px solid rgba(217, 119, 6, 0.4);
  outline-offset: 3px;
}

/* ── 国潮水墨气韵光斑 (Neo-Chinese Misty Glow Blobs) ── */
.bg-blobs {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
}
.blob {
  position: absolute; border-radius: 50%; filter: blur(100px); opacity: 0.35;
  animation: sway 22s infinite alternate ease-in-out;
}
.blob-1 { 
  width: 720px; height: 720px; 
  background: radial-gradient(circle, rgba(26, 59, 92, 0.22), transparent 70%); 
  top: -220px; left: -180px; 
}
.blob-2 { 
  width: 580px; height: 580px; 
  background: radial-gradient(circle, rgba(15, 118, 110, 0.16), transparent 70%); 
  bottom: -120px; right: -120px; 
  animation-delay: -9s; 
}
.blob-3 { 
  width: 380px; height: 380px; 
  background: radial-gradient(circle, rgba(217, 119, 6, 0.12), transparent 70%); 
  top: 35%; right: 12%; 
  animation-delay: -15s; 
}
@keyframes sway { 
  0% { transform: translate(0, 0) scale(1); } 
  50% { transform: translate(35px, 25px) scale(1.05); }
  100% { transform: translate(-20px, 40px) scale(0.95); } 
}

/* ── 页面主体 ── */
.page-wrap { position: relative; z-index: 1; padding-top: 0; }

/* ── 导航栏 (Navbar) ── */
.navbar-wrap {
  padding: 14px 0;
}
.site-navbar {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--c-border);
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(26, 59, 92, 0.08), 0 1px 3px rgba(217, 119, 6, 0.05);
}
.navbar-logo {
  height: 44px;
  width: auto;
  object-fit: contain;
  display: block;
}
.footer-logo {
  height: 38px;
  width: auto;
  object-fit: contain;
  display: block;
}
.site-navbar .nav-link {
  color: var(--c-text2) !important;
  font-weight: 500;
  font-size: 15px;
  padding: 8px 16px !important;
  border-radius: 8px;
  transition: all .25s ease;
}
.site-navbar .nav-link:hover {
  color: var(--c-p) !important;
  background: rgba(26, 59, 92, 0.06);
}

/* ── 按钮规范 ── */
.btn-primary-custom {
  background: linear-gradient(135deg, #1A3B5C 0%, #28547E 100%);
  color: #FFFDF8 !important;
  font-weight: 600;
  border-radius: 10px;
  border: 1px solid rgba(217, 119, 6, 0.45);
  box-shadow: 0 4px 14px rgba(26, 59, 92, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: all .3s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-primary-custom:hover {
  background: linear-gradient(135deg, #20476E 0%, #316496 100%);
  border-color: var(--c-gold);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(26, 59, 92, 0.28), 0 0 12px rgba(217, 119, 6, 0.25);
  color: #FFFDF8 !important;
}

.btn-ghost-custom {
  color: var(--c-p) !important;
  font-weight: 600;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: all .2s;
}
.btn-ghost-custom:hover {
  background: rgba(26, 59, 92, 0.06);
  color: var(--c-gold) !important;
}

.btn-outline-custom {
  background: rgba(255, 255, 255, 0.8);
  color: var(--c-p) !important;
  font-weight: 600;
  border-radius: 10px;
  border: 1px solid var(--c-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
  transition: all .25s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-outline-custom:hover {
  border-color: var(--c-gold);
  color: var(--c-gold) !important;
  background: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(217, 119, 6, 0.12);
}

.btn-white-custom {
  background: linear-gradient(135deg, #FFFDF8 0%, #F5EEDB 100%);
  color: var(--c-p-d) !important;
  font-weight: 700;
  font-size: 16px;
  border-radius: 12px;
  border: 1px solid rgba(217, 119, 6, 0.5);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  transition: all .3s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-white-custom:hover {
  background: #FFFFFF;
  color: var(--c-gold) !important;
  border-color: var(--c-gold-l);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 32px rgba(217, 119, 6, 0.35);
}

/* ── Hero 区域 ── */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(26, 59, 92, 0.06);
  border: 1px solid var(--c-border-gold);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--c-p);
  letter-spacing: 0.5px;
}
.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-gold);
  box-shadow: 0 0 8px var(--c-gold);
  display: inline-block;
  animation: pulse-gold 2s infinite ease-in-out;
}
@keyframes pulse-gold {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(34px, 5vw, 54px);
  font-weight: 900;
  line-height: 1.25;
  color: var(--c-text);
  letter-spacing: -0.5px;
}
.hero-title .highlight {
  background: linear-gradient(135deg, var(--c-p) 0%, #2D728F 50%, var(--c-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-sub {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-gold);
  letter-spacing: 3px;
  text-transform: uppercase;
}
.hero-desc {
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-text2);
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--c-p);
}

.hero-banner-img-wrap {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 48px rgba(26, 59, 92, 0.16), 0 0 0 1px var(--c-border-gold);
}
.hero-banner-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
  transition: transform .6s cubic-bezier(0.16, 1, 0.3, 1);
}
.hero-banner-img-wrap:hover .hero-banner-img {
  transform: scale(1.03);
}

/* ── 章节标题 ── */
.sec-tag {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--c-gold);
  background: var(--c-gold-subtle);
  border: 1px solid var(--c-border-gold);
  padding: 4px 14px;
  border-radius: 50px;
}
.sec-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.8vw, 40px);
  font-weight: 900;
  color: var(--c-text);
  letter-spacing: -0.5px;
}
.sec-desc {
  font-size: 15.5px;
  color: var(--c-text2);
  line-height: 1.7;
}

/* ── 数据卡片 (Stats) ── */
.stat-card {
  background: var(--c-card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--c-border);
  border-radius: 16px;
  padding: 24px 20px;
  text-align: center;
  box-shadow: 0 6px 20px var(--c-glow);
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.stat-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--c-gold), transparent);
  opacity: 0;
  transition: opacity .3s;
}
.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-border-gold);
  box-shadow: 0 12px 28px rgba(26, 59, 92, 0.12);
}
.stat-card:hover::after {
  opacity: 1;
}
.stat-icon {
  font-size: 28px;
}
.stat-num {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 900;
  color: var(--c-p);
  line-height: 1.2;
}
.stat-lbl {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--c-text2);
}

/* ── 特性卡片 (Features) ── */
.feat-card {
  background: var(--c-card-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--c-border);
  border-radius: 18px;
  padding: 32px 28px;
  height: 100%;
  box-shadow: 0 4px 18px var(--c-glow);
  transition: all .35s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}
.feat-card:hover {
  transform: translateY(-6px);
  border-color: var(--c-border-gold);
  box-shadow: 0 16px 36px rgba(26, 59, 92, 0.12), 0 0 16px rgba(217, 119, 6, 0.10);
}
.feat-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(26, 59, 92, 0.08) 0%, rgba(217, 119, 6, 0.10) 100%);
  border: 1px solid var(--c-border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}
.feat-title {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 800;
  color: var(--c-text);
}
.feat-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text2);
}

/* ── 套餐卡片 (Pricing) ── */
.pricing-card {
  background: var(--c-card-bg);
  backdrop-filter: blur(14px);
  border: 1px solid var(--c-border);
  border-radius: 20px;
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  box-shadow: 0 8px 24px var(--c-glow);
  transition: all .35s cubic-bezier(0.16, 1, 0.3, 1);
}
.pricing-card:hover {
  transform: translateY(-6px);
  border-color: var(--c-border-gold);
  box-shadow: 0 18px 40px rgba(26, 59, 92, 0.15);
}
.pricing-card.hot {
  background: var(--c-card-hot);
  border: 2px solid var(--c-gold);
  box-shadow: 0 12px 36px rgba(217, 119, 6, 0.18), 0 2px 8px rgba(26, 59, 92, 0.08);
}
.pricing-card.hot:hover {
  box-shadow: 0 20px 48px rgba(217, 119, 6, 0.28);
}
.price-badge {
  position: absolute;
  top: -14px;
  right: 24px;
  background: linear-gradient(135deg, #B45309 0%, #D97706 100%);
  color: #FFFDF8;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 50px;
  border: 1px solid #FDE68A;
  box-shadow: 0 4px 12px rgba(180, 83, 9, 0.35);
  letter-spacing: 0.5px;
}
.plan-name {
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 900;
  color: var(--c-text);
}
.plan-price {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 900;
  color: var(--c-p);
  line-height: 1;
}
.plan-price sup {
  font-size: 20px;
  top: -14px;
  font-weight: 700;
}
.plan-price small {
  font-size: 14px;
  font-weight: 500;
  color: var(--c-text3);
}
.plan-sub {
  font-size: 13.5px;
  color: var(--c-text2);
}
.plan-feats {
  margin: 18px 0 24px;
}
.plan-feats li {
  font-size: 14px;
  color: var(--c-text2);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.plan-feats .ck {
  color: var(--c-gold);
  font-weight: 800;
  font-size: 15px;
}
.plan-btn {
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 700;
  border-radius: 10px;
  text-align: center;
}

/* ── 场景卡片 (Scenarios) ── */
.scene-card {
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all .3s ease;
  height: 100%;
}
.scene-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-border-gold);
  box-shadow: 0 10px 24px rgba(26, 59, 92, 0.10);
}
.scene-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(26, 59, 92, 0.06);
  border: 1px solid var(--c-border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.scene-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 800;
  color: var(--c-text);
}
.scene-desc {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--c-text2);
}

/* ── 用户评价 (Testimonials) ── */
.testi-card {
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  border-radius: 18px;
  padding: 30px 26px;
  height: 100%;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 18px var(--c-glow);
  transition: all .3s ease;
}
.testi-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-border-gold);
  box-shadow: 0 12px 30px rgba(26, 59, 92, 0.12);
}
.stars {
  color: var(--c-gold);
  font-size: 16px;
  letter-spacing: 2px;
  margin-bottom: 14px;
}
.testi-text {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-text2);
  margin-bottom: 20px;
  flex-grow: 1;
}
.avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-p) 0%, var(--c-gold) 100%);
  color: #FFFDF8;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.author-name {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 800;
  color: var(--c-text);
}
.author-role {
  font-size: 12.5px;
  color: var(--c-text3);
}

/* ── FAQ 手风琴 ── */
.faq-accordion .accordion-item {
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  border-radius: 14px !important;
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
  transition: all .25s ease;
}
.faq-accordion .accordion-item:hover {
  border-color: var(--c-border-gold);
}
.faq-accordion .accordion-button {
  background: transparent;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 800;
  color: var(--c-text);
  padding: 18px 22px;
  box-shadow: none !important;
}
.faq-accordion .accordion-button:not(.collapsed) {
  color: var(--c-p);
  background: rgba(26, 59, 92, 0.03);
  border-bottom: 1px solid var(--c-border);
}
.faq-accordion .accordion-body {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-text2);
  padding: 18px 22px;
}

/* ── 底部 CTA 祥云横幅 (Call-to-Action) ── */
.cta-box {
  background: linear-gradient(135deg, #0E2238 0%, #1A3B5C 50%, #204B74 100%);
  border: 1.5px solid rgba(217, 119, 6, 0.45);
  border-radius: 26px;
  padding: 60px 30px;
  text-align: center;
  color: #FFFDF8;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(14, 34, 56, 0.35);
}
.cta-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(217, 119, 6, 0.22), transparent 50%),
              radial-gradient(circle at 20% 80%, rgba(15, 118, 110, 0.25), transparent 50%);
  pointer-events: none;
}
.cta-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 900;
  color: #FFFDF8;
  letter-spacing: 0.5px;
  position: relative;
}
.cta-sub {
  font-size: 17px;
  color: #E2E8F0;
  position: relative;
}
.cta-note {
  font-size: 13px;
  color: #A0AEC0;
  position: relative;
}

/* ── 页脚 (Footer) ── */
.site-footer {
  background: rgba(255, 255, 255, 0.7);
  border-top: 1px solid var(--c-border);
}
.footer-tagline {
  font-size: 14px;
  color: var(--c-text2);
  line-height: 1.7;
}
.fcol-title {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 800;
  color: var(--c-text);
  letter-spacing: 0.5px;
}
.fcol a {
  display: block;
  font-size: 14px;
  color: var(--c-text2);
  transition: all .2s ease;
}
.fcol a:hover {
  color: var(--c-gold);
  transform: translateX(3px);
}
.footer-copy {
  font-size: 13px;
  color: var(--c-text3);
}

/* ── 子页面专用 (Page Hero & Content Card) ── */
.page-hero {
  padding: 50px 0 35px;
  text-align: center;
  position: relative;
}
.page-hero-breadcrumb {
  font-size: 13px;
  color: var(--c-text3);
}
.page-hero-breadcrumb a {
  color: var(--c-p);
  font-weight: 600;
}
.page-hero-breadcrumb a:hover {
  color: var(--c-gold);
}
.page-hero-title {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 900;
  color: var(--c-text);
}
.page-hero-sub {
  font-size: 16px;
  color: var(--c-text2);
}

.content-card {
  background: var(--c-card-bg);
  backdrop-filter: blur(14px);
  border: 1px solid var(--c-border);
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 6px 24px var(--c-glow);
}
.content-card h2 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 900;
  color: var(--c-text);
  margin-top: 32px;
  margin-bottom: 14px;
  border-left: 4px solid var(--c-gold);
  padding-left: 12px;
}
.content-card p, .content-card li {
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text2);
}
.content-card ul {
  padding-left: 20px;
}
.last-updated {
  font-size: 13px;
  color: var(--c-text3);
  margin-bottom: 24px;
}

/* ── 团队卡片 (Team) ── */
.team-card {
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  border-radius: 18px;
  padding: 28px 20px;
  text-align: center;
  box-shadow: 0 4px 16px var(--c-glow);
  transition: all .3s ease;
}
.team-card:hover {
  transform: translateY(-5px);
  border-color: var(--c-border-gold);
  box-shadow: 0 14px 32px rgba(26, 59, 92, 0.12);
}
.team-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-p) 0%, var(--c-gold) 100%);
  color: #FFFDF8;
  font-size: 24px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  border: 2px solid var(--c-border-gold);
}
.team-name {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 800;
  color: var(--c-text);
}
.team-role {
  font-size: 13px;
  color: var(--c-gold);
  font-weight: 600;
  margin-bottom: 10px;
}
.team-bio {
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-text2);
}

/* ── 联系方式卡片 (Contact Info) ── */
.contact-info-card {
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  border-radius: 16px;
  padding: 24px;
  height: 100%;
  transition: all .3s ease;
}
.contact-info-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-border-gold);
  box-shadow: 0 12px 28px rgba(26, 59, 92, 0.10);
}
.contact-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(26, 59, 92, 0.06);
  border: 1px solid var(--c-border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

/* ── 动画支持 ── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s cubic-bezier(0.16, 1, 0.3, 1), transform .7s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}