@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600;700&display=swap');

/* ============================================================
   CSS 变量 & 重置
   ============================================================ */
:root {
  --c-red: #ff0000;
  --c-purple: #8b00ff;
  --c-dark: #261717;
  --c-dark2: #1a0f0f;
  --c-dark3: #320e0e;
  --c-glass-bg: rgba(255, 255, 255, 0.10);
  --c-glass-border: rgba(255, 255, 255, 0.18);
  --c-glass-bg-strong: rgba(255, 255, 255, 0.16);
  --c-text: #f0e8e8;
  --c-text-muted: #c4a8a8;
  --c-text-dim: #8a6a6a;
  --c-red-glow: rgba(255, 0, 0, 0.25);
  --c-purple-glow: rgba(139, 0, 255, 0.20);
  --blur: blur(15px);
  --blur-sm: blur(10px);
  --radius-lg: 28px;
  --radius-md: 16px;
  --radius-sm: 8px;
  --shadow-glass: 0 8px 32px rgba(0,0,0,0.45), 0 2px 8px rgba(255,0,0,0.10);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4), 0 1px 4px rgba(139,0,255,0.15);
  --font: 'IBM Plex Sans', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --max-w: 1200px;
  --nav-h: 64px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-text);
  background-color: var(--c-dark2);
  background-image:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(255,0,0,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(139,0,255,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 50% 50%, rgba(38,23,23,0.9) 0%, transparent 100%);
  min-height: 100vh;
}

img { display: block; max-width: 100%; height: auto; }
a { color: var(--c-red); text-decoration: none; transition: color 0.2s; }
a:hover { color: #ff4444; text-decoration: underline; }
ul, ol { list-style: none; }
dl { margin: 0; padding: 0; }
dt { font-weight: 600; color: var(--c-text-muted); font-size: 0.85em; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.4em; }
dd { margin: 0; padding: 0.2em 0; }
dd a { color: var(--c-text-muted); font-size: 0.95em; transition: color 0.2s; }
dd a:hover { color: var(--c-red); text-decoration: none; }
hr {
  border: none;
  border-top: 1px solid var(--c-glass-border);
  margin: 1rem 0;
}

/* ============================================================
   Glass 工具类
   ============================================================ */
.glass-card {
  background: var(--c-glass-bg);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--c-glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}
.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.07) 0%, transparent 60%);
  pointer-events: none;
}

/* ============================================================
   布局包裹
   ============================================================ */
.site-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ============================================================
   导航
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(26,15,15,0.75);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--c-glass-border);
  height: var(--nav-h);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}
.brand-mark { border-radius: 6px; }
.brand-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-text);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand-name:hover { color: var(--c-red); text-decoration: none; }

.primary-nav { flex: 1; overflow: hidden; }
.nav-dl {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: nowrap;
}
.nav-dt { display: none; }
.nav-dl dd {
  padding: 0;
  white-space: nowrap;
}
.nav-dl dd a {
  display: block;
  padding: 0.6rem 0.85rem;
  color: var(--c-text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  min-height: 40px;
  line-height: 1.4;
  display: flex;
  align-items: center;
  border-radius: var(--radius-sm);
  transition: background 0.2s, color 0.2s;
}
.nav-dl dd a:hover {
  background: rgba(255,0,0,0.10);
  color: var(--c-text);
  text-decoration: none;
}

.nav-search {
  flex-shrink: 0;
}
.nav-search form {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.07);
  border: 1px solid var(--c-glass-border);
  border-radius: 20px;
  overflow: hidden;
}
.nav-search input {
  background: none;
  border: none;
  outline: none;
  padding: 0.4rem 0.8rem;
  color: var(--c-text);
  font-family: var(--font);
  font-size: 0.85rem;
  width: 140px;
  min-height: 36px;
}
.nav-search input::placeholder { color: var(--c-text-dim); }
.nav-search button {
  background: var(--c-red);
  border: none;
  color: #fff;
  padding: 0 0.8rem;
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  min-height: 36px;
  transition: background 0.2s;
}
.nav-search button:hover { background: var(--c-purple); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--c-glass-border);
  color: var(--c-text);
  font-size: 1.3rem;
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-height: 40px;
  min-width: 40px;
}

.mobile-nav {
  background: rgba(26,15,15,0.95);
  border-top: 1px solid var(--c-glass-border);
  padding: 1rem 1.5rem;
}
.mobile-nav dl dt {
  font-size: 0.8rem;
  color: var(--c-text-dim);
  margin-bottom: 0.5rem;
}
.mobile-nav dl dd a {
  display: block;
  padding: 0.6rem 0;
  color: var(--c-text-muted);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  min-height: 40px;
  display: flex;
  align-items: center;
}

/* ============================================================
   面包屑
   ============================================================ */
.breadcrumb-bar {
  background: rgba(38,23,23,0.6);
  border-bottom: 1px solid var(--c-glass-border);
}
.breadcrumb-bar dl {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0.6rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.breadcrumb-bar dt { display: none; }
.breadcrumb-bar dd {
  font-size: 0.83rem;
  color: var(--c-text-dim);
}
.breadcrumb-bar dd::after { content: ' 〉'; color: var(--c-text-dim); }
.breadcrumb-bar dd:last-child::after { content: ''; }
.breadcrumb-bar dd a { color: var(--c-text-muted); }
.breadcrumb-bar dd[aria-current] { color: var(--c-text); }

/* ============================================================
   main 基础
   ============================================================ */
.main-content {
  flex: 1;
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ============================================================
   通用两栏布局（aside + body）
   ============================================================ */
.content-section {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
  align-items: start;
}

.section-aside {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  position: sticky;
  top: calc(var(--nav-h) + 1rem);
}

.aside-widget {
  padding: 1.2rem 1.4rem;
}
.aside-widget h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 0.4rem;
  letter-spacing: 0.04em;
}

.section-body {
  min-width: 0;
}

/* ============================================================
   正文 prose
   ============================================================ */
.prose-content {
  color: var(--c-text);
  font-size: 1rem;
  line-height: 1.8;
}
.prose-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-text);
  margin: 2rem 0 0.5rem;
  letter-spacing: -0.01em;
}
.prose-content h2 + hr {
  margin-bottom: 1rem;
}
.prose-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--c-text);
  margin: 1.5rem 0 0.4rem;
}
.prose-content h3 + hr {
  margin-bottom: 0.8rem;
}
.prose-content p { margin-bottom: 1rem; }
.prose-content ul, .prose-content ol {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}
.prose-content ol { list-style: decimal; }
.prose-content li { margin-bottom: 0.4rem; }
.prose-content a { color: var(--c-red); }
.prose-content a:hover { color: #ff4444; }
.prose-content strong { color: #fff; font-weight: 600; }
.prose-content blockquote {
  border-left: 3px solid var(--c-red);
  padding: 0.8rem 1.2rem;
  background: rgba(255,0,0,0.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.2rem 0;
  color: var(--c-text-muted);
}
.prose-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
  font-size: 0.9em;
}
.prose-content th, .prose-content td {
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--c-glass-border);
  text-align: left;
}
.prose-content th {
  background: rgba(255,0,0,0.10);
  font-weight: 600;
  color: var(--c-text);
}

.content-updated {
  margin-top: 2rem;
  font-size: 0.83rem;
  color: var(--c-text-dim);
}

/* ============================================================
   首页 Hero
   ============================================================ */
.hero-section {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  align-items: center;
  padding: 2rem 0;
  position: relative;
}

.hero-figure {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}
.hero-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
  max-height: 70vh;
}
.hero-badge {
  position: absolute;
  top: 2rem;
  left: 2rem;
  background: linear-gradient(135deg, var(--c-red), var(--c-purple));
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 0.35rem 0.9rem;
  border-radius: 20px;
  text-transform: uppercase;
}

.hero-aside {
  padding: 3rem 2rem 3rem 3rem;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
}
.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--c-red);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  background: rgba(255,0,0,0.10);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  border: 1px solid rgba(255,0,0,0.25);
}
.hero-h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
}
.hero-desc {
  font-size: 1rem;
  color: var(--c-text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 420px;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.hero-stats {
  display: flex;
  gap: 1.8rem;
  justify-content: flex-end;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}
.stat-num {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-red);
  line-height: 1;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--c-text-dim);
  margin-top: 0.2rem;
}

/* ============================================================
   按钮
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--c-red) 0%, var(--c-purple) 100%);
  color: #fff;
  font-family: var(--font);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.65rem 1.6rem;
  border-radius: 24px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
  text-decoration: none;
  min-height: 44px;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); color: #fff; text-decoration: none; }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--c-glass-bg);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  color: var(--c-text);
  font-family: var(--font);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.65rem 1.6rem;
  border-radius: 24px;
  border: 1px solid var(--c-glass-border);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  text-decoration: none;
  min-height: 44px;
}
.btn-ghost:hover { background: rgba(255,255,255,0.15); color: #fff; text-decoration: none; }

/* ============================================================
   首页 – 正文 + 子页卡片
   ============================================================ */
.page-content-section {
  border-top: 1px solid var(--c-glass-border);
}

.children-section {
  padding: 2.5rem 0;
  border-top: 1px solid var(--c-glass-border);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}
.children-section .section-title {
  grid-column: 1 / -1;
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0;
}
.children-section hr { grid-column: 1 / -1; margin-top: 0; }

.child-card {
  padding: 1.4rem;
  transition: transform 0.2s, box-shadow 0.2s;
}
.child-card:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(0,0,0,0.5), 0 2px 8px var(--c-red-glow); }
.card-thumb { border-radius: var(--radius-md); margin-bottom: 1rem; width: 100%; height: 160px; object-fit: cover; }
.card-body h3 { font-size: 1rem; font-weight: 600; margin-bottom: 0.4rem; }
.card-body h3 a { color: var(--c-text); }
.card-body h3 a:hover { color: var(--c-red); text-decoration: none; }
.card-body p { font-size: 0.88rem; color: var(--c-text-muted); line-height: 1.5; }
.card-date { font-size: 0.78rem; color: var(--c-text-dim); margin-top: 0.5rem; display: block; }

/* ============================================================
   首页 – 特色功能区
   ============================================================ */
.features-section {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--c-glass-border);
}
.section-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  margin-top: 1.5rem;
}
.feature-card {
  padding: 1.4rem 1.2rem;
  transition: transform 0.25s, box-shadow 0.25s;
  text-align: center;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 16px 48px rgba(0,0,0,0.5), 0 0 20px var(--c-purple-glow); }
.feature-icon {
  font-size: 1.5rem;
  color: var(--c-purple);
  margin-bottom: 0.8rem;
}
.feature-card h3 { font-size: 0.92rem; font-weight: 600; margin-bottom: 0.5rem; }
.feature-card h3 a { color: var(--c-text); }
.feature-card h3 a:hover { color: var(--c-red); text-decoration: none; }
.feature-card p { font-size: 0.83rem; color: var(--c-text-muted); line-height: 1.5; }

/* ============================================================
   Service – 页内 hero
   ============================================================ */
.page-hero-section, .cases-hero-section, .about-hero-section,
.contact-header-section, .privacy-header-section, .faq-header-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding: 3rem 0 2rem;
  align-items: center;
}

.page-hero-fig, .cases-hero-fig, .about-hero-fig {
  position: relative;
}
.page-hero-img, .about-hero-img {
  border-radius: var(--radius-lg);
  width: 100%;
  max-height: 420px;
  object-fit: cover;
}
.page-hero-badge, .hero-label {
  position: absolute;
  bottom: 1.2rem;
  left: 1.2rem;
  background: rgba(26,15,15,0.75);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid var(--c-glass-border);
  color: var(--c-text-muted);
  font-size: 0.78rem;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
}
.page-hero-aside, .cases-hero-aside, .about-hero-aside {
  padding: 1rem 0 1rem 1.5rem;
}
.page-h1, .page-hero-aside h1, .cases-hero-aside h1,
.about-hero-aside h1, .contact-header-aside h1,
.privacy-header-aside h1, .faq-header-aside h1 {
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 0.8rem;
}
.page-meta {
  font-size: 0.83rem;
  color: var(--c-text-dim);
  margin-bottom: 0.8rem;
}
.page-desc-lead, .faq-lead, .about-lead {
  font-size: 1rem;
  color: var(--c-text-muted);
  line-height: 1.7;
}
.cases-eyebrow, .about-eyebrow, .contact-eyebrow,
.privacy-eyebrow, .faq-eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--c-purple);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

/* ============================================================
   Cases – 列表
   ============================================================ */
.cases-list-section {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--c-glass-border);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
  align-items: start;
}
.cases-list-section h2 { grid-column: 1 / -1; font-size: 1.3rem; font-weight: 700; color: #fff; }
.cases-list-section hr { grid-column: 1 / -1; margin-top: 0; }
.case-card {
  padding: 1.4rem;
  transition: transform 0.25s, box-shadow 0.25s;
  animation: reveal 0.5s ease both;
  animation-delay: calc(var(--stagger, 0) * 0.06s);
}
.case-card:hover { transform: translateY(-4px) scale(1.01); box-shadow: 0 16px 48px rgba(0,0,0,0.5), 0 0 20px var(--c-red-glow); }
.case-thumb { border-radius: var(--radius-md); width: 100%; height: 140px; object-fit: cover; margin-bottom: 0.9rem; }
.case-card-body { display: flex; flex-direction: column; gap: 0.4rem; }
.case-num {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--c-purple);
  letter-spacing: 0.12em;
  font-variant-numeric: tabular-nums;
}
.case-card-body h3 { font-size: 0.97rem; font-weight: 600; }
.case-card-body h3 a { color: var(--c-text); }
.case-card-body h3 a:hover { color: var(--c-red); text-decoration: none; }
.case-card-body p { font-size: 0.85rem; color: var(--c-text-muted); line-height: 1.5; }
.case-card-body time { font-size: 0.78rem; color: var(--c-text-dim); }

/* ============================================================
   Service – 子页列表
   ============================================================ */
.sub-pages-section {
  border-top: 1px solid var(--c-glass-border);
  padding: 2rem 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  align-items: start;
}
.sub-pages-section h2 { grid-column: 1 / -1; font-size: 1.2rem; font-weight: 700; color: #fff; }
.sub-pages-section hr { grid-column: 1 / -1; margin-top: 0; }
.sub-card { padding: 1.2rem 1.4rem; transition: transform 0.2s; }
.sub-card:hover { transform: translateY(-2px); }
.sub-card h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.3rem; }
.sub-card h3 a { color: var(--c-text); }
.sub-card h3 a:hover { color: var(--c-red); text-decoration: none; }
.sub-card p { font-size: 0.85rem; color: var(--c-text-muted); }
.sub-card time { font-size: 0.78rem; color: var(--c-text-dim); }

/* ============================================================
   FAQ – 특별
   ============================================================ */
.faq-header-section {
  grid-template-columns: 1fr auto;
  align-items: center;
}
.faq-header-aside { grid-column: 1; }
.faq-header-fig {
  display: flex;
  align-items: center;
  justify-content: center;
}
.faq-deco-block {
  padding: 2rem;
  text-align: center;
  min-width: 160px;
}
.faq-stat { font-size: 2rem; font-weight: 700; color: var(--c-red); line-height: 1; }
.faq-stat span { font-size: 3rem; }
.faq-stat-label { font-size: 0.85rem; color: var(--c-text-muted); margin-top: 0.5rem; }
.faq-prose .prose-content details {
  border: 1px solid var(--c-glass-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.2rem;
  margin-bottom: 0.8rem;
  background: var(--c-glass-bg);
}
.faq-prose .prose-content summary {
  font-weight: 600;
  cursor: pointer;
  color: var(--c-text);
  list-style: none;
}
.faq-prose .prose-content summary::-webkit-details-marker { display: none; }

/* ============================================================
   About
   ============================================================ */
.about-badge {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--c-text);
}
.about-values {
  display: flex;
  gap: 0.8rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}
.value-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  font-size: 0.85rem;
  color: var(--c-text-muted);
}
.value-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--c-red), var(--c-purple));
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

/* ============================================================
   Contact
   ============================================================ */
.contact-header-fig {
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-deco {
  padding: 2.5rem 2rem;
  text-align: center;
}
.contact-icon-lg {
  font-size: 3rem;
  margin-bottom: 0.8rem;
}
.contact-form-wrap {
  padding: 2rem;
  margin-top: 2rem;
}
.contact-form-wrap h2 { font-size: 1.2rem; font-weight: 700; color: #fff; margin-bottom: 0.4rem; }
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}
.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-row label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--c-text-muted);
}
.form-row input, .form-row textarea {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--c-glass-border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.9rem;
  color: var(--c-text);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: border-color 0.2s;
  min-height: 44px;
}
.form-row input:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--c-red);
}
.form-row textarea { resize: vertical; min-height: 120px; }
.contact-form .btn-primary { align-self: flex-start; }

/* ============================================================
   Privacy
   ============================================================ */
.privacy-header-aside { padding-right: 1.5rem; }
.privacy-header-fig {
  display: flex;
  align-items: center;
  justify-content: center;
}
.privacy-deco {
  padding: 2rem;
  text-align: center;
}
.privacy-icon { font-size: 3rem; margin-bottom: 0.8rem; }
.privacy-prose .prose-content { font-size: 0.97rem; }

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  background: rgba(15, 8, 8, 0.9);
  border-top: 1px solid var(--c-glass-border);
  margin-top: auto;
}
.footer-top {
  max-width: var(--max-w);
  margin: 0 auto 0;
  padding: 2.5rem 2rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: start;
  border-radius: 0;
  border-left: none;
  border-right: none;
  border-top: none;
  border-bottom: 1px solid var(--c-glass-border);
}
.footer-subscribe h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.4rem;
}
.footer-subscribe p {
  font-size: 0.88rem;
  color: var(--c-text-muted);
  margin-bottom: 0.9rem;
}
.subscribe-form {
  display: flex;
  gap: 0;
  max-width: 400px;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--c-glass-border);
  background: rgba(255,255,255,0.06);
}
.subscribe-form input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  padding: 0.6rem 1rem;
  color: var(--c-text);
  font-family: var(--font);
  font-size: 0.88rem;
  min-height: 44px;
}
.subscribe-form input::placeholder { color: var(--c-text-dim); }
.subscribe-form button {
  background: linear-gradient(135deg, var(--c-red), var(--c-purple));
  border: none;
  color: #fff;
  padding: 0 1.2rem;
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
  min-height: 44px;
}
.subscribe-form button:hover { opacity: 0.85; }
.footer-contact-info h3 {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 0.4rem;
}
.footer-contact-info p { font-size: 0.88rem; color: var(--c-text-muted); }
.footer-contact-info a { color: var(--c-red); }

.footer-cols {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2rem 2rem 1.5rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.footer-cols nav dl,
.footer-cols dl {
  display: flex;
  flex-direction: column;
}
.footer-cols dl dt {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--c-text-muted);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--c-glass-border);
}
.footer-cols dl dd {
  padding: 0.2rem 0;
}
.footer-cols dl dd a {
  color: var(--c-text-dim);
  font-size: 0.88rem;
  display: block;
  min-height: 28px;
  display: flex;
  align-items: center;
  transition: color 0.2s;
}
.footer-cols dl dd a:hover { color: var(--c-text); text-decoration: none; }

.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1rem 2rem;
  border-top: 1px solid var(--c-glass-border);
  text-align: center;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: var(--c-text-dim);
}
.footer-bottom a { color: var(--c-text-dim); }
.footer-bottom a:hover { color: var(--c-red); text-decoration: none; }

/* ============================================================
   动效 – Scroll Reveal + Stagger
   ============================================================ */
@keyframes reveal {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

.glass-card {
  animation: reveal 0.5s ease both;
}

.hero-h1 { animation: reveal 0.6s 0.1s ease both; }
.hero-desc { animation: reveal 0.6s 0.2s ease both; }
.hero-actions { animation: reveal 0.6s 0.3s ease both; }
.hero-stats { animation: reveal 0.6s 0.4s ease both; }

.child-card, .feature-card {
  animation: reveal 0.5s ease both;
}
.children-section section:nth-child(3) { animation-delay: 0.05s; }
.children-section section:nth-child(4) { animation-delay: 0.10s; }
.children-section section:nth-child(5) { animation-delay: 0.15s; }
.children-section section:nth-child(6) { animation-delay: 0.20s; }
.features-grid .glass-card:nth-child(2) { animation-delay: 0.07s; }
.features-grid .glass-card:nth-child(3) { animation-delay: 0.14s; }
.features-grid .glass-card:nth-child(4) { animation-delay: 0.21s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .hero-section {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 2rem 0;
  }
  .hero-figure { min-height: 40vh; }
  .hero-aside {
    padding: 1.5rem 0;
    align-items: flex-start;
    text-align: left;
  }
  .hero-actions { justify-content: flex-start; }
  .hero-stats { justify-content: flex-start; }

  .page-hero-section, .cases-hero-section, .about-hero-section,
  .contact-header-section, .privacy-header-section, .faq-header-section {
    grid-template-columns: 1fr;
    padding: 2rem 0;
  }
  .page-hero-aside, .cases-hero-aside, .about-hero-aside,
  .contact-header-aside, .privacy-header-aside, .faq-header-aside {
    padding: 0;
  }
  .about-badge { position: static; margin-top: 1rem; }

  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-list-section { grid-template-columns: repeat(2, 1fr); }
  .children-section { grid-template-columns: repeat(2, 1fr); }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --nav-h: 56px; }

  .primary-nav { display: none; }
  .nav-search { display: none; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; margin-left: auto; }
  .nav-inner { gap: 0.8rem; }

  .site-header.nav-open .mobile-nav { display: block; }
  .mobile-nav:not([hidden]) { display: block; }

  .main-content { padding: 0 1rem; }

  .content-section {
    grid-template-columns: 1fr;
    padding: 1.5rem 0;
  }
  .section-aside {
    position: static;
    flex-direction: row;
    overflow-x: auto;
    gap: 0.8rem;
  }
  .aside-widget {
    min-width: 200px;
    flex-shrink: 0;
  }

  .children-section { grid-template-columns: 1fr; gap: 1rem; }
  .features-grid { grid-template-columns: 1fr 1fr; gap: 0.9rem; }
  .cases-list-section { grid-template-columns: 1fr; }
  .sub-pages-section { grid-template-columns: 1fr; }

  .footer-top { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; gap: 1rem; padding: 1.5rem 1rem; }
  .footer-bottom { padding: 0.8rem 1rem; }

  .hero-section { padding: 1.5rem 0; }
  .hero-h1 { font-size: 1.7rem; }

  .breadcrumb-bar dl { padding: 0.5rem 1rem; }
}

@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-ghost { width: 100%; justify-content: center; }
  .about-values { flex-direction: column; }
}