/* =========================================================
   私人保险及财富顾问 · 左骅
   主题色参考香港保诚保险（Prudential HK）

   想换主色：只改 :root 里的 5 个变量
   ========================================================= */
:root {
  /* 主色系 */
  --color-primary:        #ED1C24;   /* 保诚红 */
  --color-primary-dark:   #C8171D;   /* 红 hover */
  --color-primary-soft:   #FDECEC;   /* 红色淡背景 */

  /* 次色系 */
  --color-navy:           #003C71;   /* 深海蓝 */
  --color-navy-dark:      #002A52;
  --color-navy-soft:      #EAF1F8;

  /* 强调色 */
  --color-gold:           #C8A56A;   /* 金色 */

  /* 中性色 */
  --color-bg:             #FFFFFF;
  --color-bg-alt:         #F5F5F7;
  --color-bg-dark:        #0B1E36;   /* 深色区块 */
  --color-text:           #1A1A1A;
  --color-text-muted:     #5C6470;
  --color-text-light:     #8A93A1;
  --color-border:         #E5E7EB;

  /* 间距 / 圆角 / 阴影 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 8px 24px rgba(0,0,0,.06);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.10);

  /* 字体 */
  --font-cn: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-en: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  /* 容器 */
  --container: 1200px;
}

/* =========================================================
   Reset / Base
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-cn);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.02em;
  transition: all 0.25s ease;
  border: 1.5px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(237,28,36,0.30);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-ghost:hover {
  border-color: var(--color-text);
  transform: translateY(-2px);
}
.btn-sm {
  padding: 8px 18px;
  font-size: 13px;
}
.btn-block {
  width: 100%;
}

/* =========================================================
   Header / Nav
   ========================================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
}
.site-header.scrolled {
  background: rgba(255,255,255,0.95);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 20px;
  border-radius: var(--radius-sm);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong {
  font-size: 16px;
  color: var(--color-text);
  letter-spacing: 0.02em;
}
.brand-text small {
  font-family: var(--font-en);
  font-size: 11px;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a:not(.btn) {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  transition: color 0.2s ease;
}
.nav-links a:not(.btn):hover { color: var(--color-primary); }
.nav-links a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--color-primary);
  transition: width 0.3s ease;
}
.nav-links a:not(.btn):hover::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  transition: all 0.3s ease;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  background:
    radial-gradient(ellipse at top right, var(--color-primary-soft) 0%, transparent 50%),
    radial-gradient(ellipse at bottom left, var(--color-navy-soft) 0%, transparent 50%),
    #fff;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: 0; right: -10%;
  width: 60%;
  height: 60%;
  background: linear-gradient(135deg, rgba(237,28,36,0.04), rgba(237,28,36,0));
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin: 0 0 16px;
  padding: 6px 14px;
  background: rgba(0,0,0,0.04);
  border-radius: 999px;
}
.eyebrow-red { color: var(--color-primary); background: var(--color-primary-soft); }
.eyebrow-gold { color: var(--color-gold); background: rgba(200,165,106,0.15); }

.hero-title {
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.1;
  margin: 0 0 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.hero-title-en {
  display: inline-block;
  margin-left: 12px;
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 0.55em;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}
.hero-slogan {
  font-size: clamp(17px, 2vw, 21px);
  color: var(--color-text);
  margin: 0 0 16px;
  font-weight: 500;
}
.hero-slogan strong {
  color: var(--color-primary);
  font-weight: 700;
}
.hero-sub {
  font-size: 16px;
  color: var(--color-text-muted);
  margin: 0 0 32px;
  max-width: 520px;
}
.hero-cta {
  display: flex;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.hero-meta {
  display: flex;
  gap: 32px;
  padding: 0;
  margin: 0;
  list-style: none;
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
}
.hero-meta li {
  font-size: 13px;
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.hero-meta-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--color-primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}
.hero-meta-icon svg {
  width: 18px;
  height: 18px;
}
.hero-meta strong {
  display: block;
  font-size: 24px;
  font-weight: 800;
  color: var(--color-text);
  font-family: var(--font-en);
}

.hero-photo {
  position: relative;
}
.hero-photo img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 8px solid #fff;
}
.hero-photo-badge {
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  padding: 12px 24px;
  border-radius: 999px;
  box-shadow: var(--shadow-md);
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.hero-photo-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(237,28,36,0.15);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(237,28,36,0.15); }
  50% { box-shadow: 0 0 0 8px rgba(237,28,36,0); }
}

.scroll-hint {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 40px;
  border: 2px solid var(--color-text-muted);
  border-radius: 12px;
  display: grid;
  place-items: center;
  opacity: 0.6;
}
.scroll-hint span {
  width: 3px;
  height: 8px;
  background: var(--color-text-muted);
  border-radius: 2px;
  animation: scroll 2s infinite;
}
@keyframes scroll {
  0% { transform: translateY(-8px); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: translateY(8px); opacity: 0; }
}

/* =========================================================
   Section Base
   ========================================================= */
.section {
  padding: 100px 0;
  position: relative;
}
.section-light { background: var(--color-bg); }
.section-alt   { background: var(--color-bg-alt); }
.section-dark  {
  background: var(--color-bg-dark);
  color: #fff;
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px;
}
.section-head .eyebrow { margin-bottom: 12px; }
.section-head-light .eyebrow { background: rgba(255,255,255,0.08); color: var(--color-gold); }

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.2;
  margin: 0 0 16px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.section-sub {
  font-size: 17px;
  color: var(--color-text-muted);
  margin: 0;
}
.section-dark .section-sub { color: rgba(255,255,255,0.7); }

.section-foot {
  text-align: center;
  margin-top: 48px;
  color: var(--color-text-muted);
  font-size: 15px;
}
.section-foot strong {
  color: var(--color-primary);
  font-weight: 700;
}

/* =========================================================
   Service Card (通用)
   ========================================================= */
.card-grid {
  display: grid;
  gap: 24px;
}
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }

.service-card {
  background: #fff;
  padding: 32px 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
}
.service-icon svg { width: 28px; height: 28px; }

.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--color-text);
}
.service-card p {
  font-size: 14.5px;
  color: var(--color-text-muted);
  margin: 0 0 16px;
  line-height: 1.7;
}

.service-stat {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-bg-alt);
  border-radius: 999px;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-navy);
}

.service-card-large { padding: 36px 32px; }
.service-card-large h3 { font-size: 22px; }

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}
.service-tags li {
  font-size: 12px;
  padding: 4px 10px;
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  border-radius: 4px;
}

/* =========================================================
   About
   ========================================================= */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
  align-items: center;
}
.about-photo {
  position: relative;
  max-width: 420px;
}
.about-photo::before {
  content: "";
  position: absolute;
  top: -16px;
  left: -16px;
  right: 16px;
  bottom: 16px;
  border: 3px solid var(--color-primary);
  border-radius: var(--radius-lg);
  z-index: 0;
}
.about-photo img {
  position: relative;
  z-index: 1;
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  /* 去掉灰背景，人物更突出 */
  filter: contrast(1.05) saturate(1.1);
  mix-blend-mode: multiply;
  background: transparent;
}

.about-photo-frame {
  position: absolute;
  top: 20px;
  left: 20px;
  right: -20px;
  bottom: -20px;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  z-index: 0;
}

.about-text .section-title { text-align: left; }
.about-text .lead {
  font-size: 17px;
  color: var(--color-text);
  margin: 0 0 16px;
}
.about-text p strong {
  color: var(--color-primary);
  font-weight: 700;
}
.about-text p {
  color: var(--color-text-muted);
  margin: 0 0 24px;
}

.about-credentials {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 32px 0;
  padding: 24px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}
.credential { display: flex; flex-direction: column; }
.credential-num {
  font-family: var(--font-en);
  font-size: 32px;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}
.credential-label {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.achievement-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.achievement-list li {
  position: relative;
  padding: 12px 0 12px 28px;
  font-size: 14.5px;
  color: var(--color-text-muted);
  border-bottom: 1px dashed var(--color-border);
}
.achievement-list li:last-child { border-bottom: none; }
.achievement-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}
.achievement-list strong {
  color: var(--color-text);
  font-weight: 600;
}

/* =========================================================
   Stats
   ========================================================= */
.stats-section {
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-navy) 100%);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}
.stat-item {
  text-align: center;
  padding: 32px 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
}
.stat-num {
  display: block;
  font-family: var(--font-en);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: 12px;
}
.stat-label {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
}

.geo-coverage {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.geo-title {
  font-size: 13px;
  color: var(--color-gold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0 0 12px;
  font-weight: 600;
}
.geo-list {
  font-size: 17px;
  color: rgba(255,255,255,0.85);
  margin: 0;
  letter-spacing: 0.04em;
}

/* =========================================================
   Why Cards
   ========================================================= */
.why-card {
  position: relative;
  padding: 36px 28px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
}
.why-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.why-num {
  font-family: var(--font-en);
  font-size: 56px;
  font-weight: 800;
  color: var(--color-primary-soft);
  line-height: 1;
  margin-bottom: 12px;
}
.why-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--color-text);
}
.why-card p {
  font-size: 14px;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.7;
}

/* =========================================================
   Contact
   ========================================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-info .section-title { text-align: left; }

.contact-list {
  list-style: none;
  padding: 0;
  margin: 32px 0;
}
.contact-list li {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}
.contact-list li:last-child { border-bottom: none; }
.contact-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
}
.contact-icon svg { width: 20px; height: 20px; }
.contact-list strong {
  display: block;
  font-size: 15px;
  color: var(--color-text);
  margin-bottom: 4px;
}
.contact-list p {
  margin: 0;
  font-size: 14px;
  color: var(--color-text-muted);
}

.qr-placeholder {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-border);
}
.qr-image {
  width: 140px;
  height: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  flex-shrink: 0;
}
.qr-hint {
  margin: 0;
  font-size: 13px;
  color: var(--color-text-muted);
}

/* Contact Form */
.contact-form {
  background: #fff;
  padding: 36px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}
.contact-form label {
  display: block;
  margin-bottom: 20px;
}
.contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.contact-form span {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}
.contact-form em {
  color: var(--color-primary);
  font-style: normal;
  margin-left: 2px;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  transition: all 0.2s ease;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-soft);
}
.contact-form textarea { resize: vertical; }

.honeypot { display: none; }

.form-note {
  margin: 16px 0 0;
  font-size: 12px;
  color: var(--color-text-light);
  text-align: center;
}

.form-success,
.form-error {
  padding: 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 14px;
  text-align: center;
}
.form-success { background: #E8F5E9; color: #2E7D32; }
.form-error   { background: #FFEBEE; color: #C62828; }

.about-name {
  margin: 4px 0 2px;
  font-size: 30px;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: 0.02em;
}
.about-name span {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
  margin-left: 12px;
  letter-spacing: 0.08em;
}
.about-role {
  margin: 0 0 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* =========================================================
   Team & Training（团队与培训 · 招募）
   ========================================================= */
.training-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.training-photo {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.training-photo img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}
.training-photo:hover img { transform: scale(1.03); }
.training-photo figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--color-text-muted);
  text-align: center;
}

.training-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.training-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  border-top: 3px solid var(--color-primary);
}
.training-card h3 {
  margin: 0 0 10px;
  font-size: 17px;
  color: var(--color-text);
}
.training-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.recruit-cta {
  display: flex;
  align-items: center;
  gap: 32px;
  background: var(--color-primary-dark);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  overflow: hidden;
}
.recruit-trophy {
  width: 180px;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius-md);
  flex-shrink: 0;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}
.recruit-text h3 {
  margin: 0 0 12px;
  font-size: 24px;
  color: #fff;
}
.recruit-text p {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
}
.recruit-text .btn { background: #fff; color: var(--color-primary); }

@media (max-width: 960px) {
  .training-grid { grid-template-columns: 1fr; gap: 14px; }
  .training-features { grid-template-columns: 1fr 1fr; gap: 14px; }
  .recruit-cta { flex-direction: column; text-align: center; padding: 28px 20px; }
  .recruit-trophy { width: 140px; height: 140px; }
}

/* =========================================================
   Video Grid + Modal
   ========================================================= */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.video-card {
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.video-thumb {
  position: relative;
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #0B1E36;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top; /* 竖版封面取上半部分 */
  transition: transform 0.5s ease;
}
.video-card:hover .video-thumb img {
  transform: scale(1.05);
}

.video-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.5));
  pointer-events: none;
}

.play-icon {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 64px; height: 64px;
  background: rgba(237,28,36,0.95);
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  transition: all 0.3s ease;
  z-index: 1;
}
.play-icon::before {
  content: "";
  width: 0; height: 0;
  border-style: solid;
  border-width: 11px 0 11px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 4px;
}
.video-card:hover .play-icon {
  background: var(--color-primary);
  transform: translate(-50%, -50%) scale(1.1);
}

.video-duration {
  position: absolute;
  bottom: 12px;
  right: 12px;
  padding: 4px 10px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  border-radius: 4px;
  z-index: 1;
}

.video-info {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.video-info time {
  font-family: var(--font-en);
  font-size: 12px;
  color: var(--color-text-light);
  letter-spacing: 0.08em;
}
.video-info h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
  line-height: 1.4;
}
.video-info p {
  font-size: 14px;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-cta {
  text-align: center;
  margin-top: 48px;
}

/* Modal */
.video-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.video-modal[aria-hidden="false"] { display: flex; }
.video-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(11, 30, 54, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fadeIn 0.25s ease;
}
.video-modal-content {
  position: relative;
  /* 竖屏 9:16：宽度受限于视口高度，保证弹窗完整可见 */
  width: min(92vw, calc(88vh * 0.5625), 460px);
  z-index: 1;
  animation: scaleIn 0.3s ease;
}
.video-modal-frame {
  position: relative;
  aspect-ratio: 9 / 16;
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}
.video-modal-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.video-modal-close {
  position: absolute;
  top: -52px;
  right: 0;
  z-index: 3;
  width: 44px;
  height: 40px;
  background: rgba(255,255,255,0.15);
  color: #fff;
  font-size: 28px;
  line-height: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  transition: background 0.2s ease;
}
.video-modal-close:hover {
  background: rgba(255,255,255,0.3);
}
.video-fullscreen {
  position: absolute;
  bottom: 76px;
  right: 14px;
  z-index: 2;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.18);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  color: #fff;
  font-size: 20px;
  display: grid;
  place-items: center;
  transition: background 0.2s ease;
}
.video-fullscreen:hover { background: rgba(255,255,255,0.3); }
.video-fullscreen[hidden] { display: none; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.92); } to { opacity: 1; transform: scale(1); } }

/* =========================================================
   预约咨询弹窗
   ========================================================= */
.form-modal {
  position: fixed;
  inset: 0;
  z-index: 210;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.form-modal[aria-hidden="false"] { display: flex; }
.form-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(11, 30, 54, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fadeIn 0.25s ease;
}
.form-modal-content {
  position: relative;
  width: 100%;
  max-width: 520px;
  z-index: 1;
  animation: scaleIn 0.3s ease;
}
.form-modal-scroll {
  max-height: 86vh;
  max-height: 86svh;
  overflow-y: auto;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
  -webkit-overflow-scrolling: touch;
}
.form-modal-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-navy);
  margin: 0 0 4px;
}
.form-modal-sub {
  color: #5C6470;
  font-size: 14px;
  margin: 0 0 20px;
}
.form-modal-close {
  position: absolute;
  top: -48px;
  right: 0;
  z-index: 2;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.15);
  color: #fff;
  font-size: 28px;
  line-height: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  transition: background 0.2s ease;
}
.form-modal-close:hover { background: rgba(255,255,255,0.3); }

/* 联系版块的预约引导卡 */
.contact-cta-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-md);
  text-align: center;
}
.contact-cta-card h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-navy);
  margin: 0 0 12px;
}
.contact-cta-card p {
  color: #5C6470;
  line-height: 1.7;
  margin: 0 0 24px;
}
.contact-cta-card .form-note { margin: 14px 0 0; }

/* =========================================================
   微信二维码弹窗（复用 form-modal 结构）
   ========================================================= */
.wechat-modal-content { max-width: 340px; }
.wechat-modal-scroll {
  padding: 36px 28px 28px;
  text-align: center;
}
.wechat-modal-qr {
  width: 100%;
  max-width: 240px;
  border-radius: var(--radius-md);
  border: 1px solid #E5E7EB;
  display: block;
  margin: 0 auto 18px;
}
.wechat-modal-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-navy);
  margin: 0 0 8px;
}
.wechat-modal-id {
  font-size: 16px;
  color: var(--color-text);
  margin: 0 0 6px;
}
.wechat-modal-id strong {
  font-family: var(--font-en);
  font-size: 18px;
  color: var(--color-primary);
  letter-spacing: 0.03em;
}
.wechat-modal-hint {
  font-size: 13px;
  color: #5C6470;
  margin: 0;
}

body.modal-open { overflow: hidden; }

@media (max-width: 960px) {
  .video-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .video-grid { grid-template-columns: 1fr; }
  /* 手机：弹窗占满全屏，竖屏视频原生全屏体验 */
  .video-modal { padding: 0; }
  .video-modal-content {
    width: 100%;
    max-width: none;
    height: 100vh;
    height: 100svh;
    animation: none;
  }
  .video-modal-frame { height: 100%; aspect-ratio: auto; border-radius: 0; box-shadow: none; }
  .video-modal-close { top: 12px; right: 12px; background: rgba(0,0,0,0.45); }
  .video-fullscreen { bottom: 84px; right: 12px; }
  /* 手机：预约弹窗贴边 + 关闭键进屏幕内 */
  .form-modal { padding: 12px; }
  .form-modal-scroll { padding: 24px 20px; }
  .form-modal-close { top: -6px; right: 0; background: rgba(0,0,0,0.45); }
}

/* =========================================================
   Claims Quotes
   ========================================================= */
.claims-quotes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.claim-quote {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 28px 24px;
  border: 1px solid var(--color-border);
  position: relative;
  box-shadow: var(--shadow-sm);
}
.quote-mark {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
  opacity: 0.15;
  position: absolute;
  top: 20px;
  left: 20px;
}
.claim-quote p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text);
  margin: 20px 0 16px;
  font-style: italic;
}
.quote-author {
  font-size: 12px;
  color: var(--color-text-muted);
  font-weight: 600;
}

@media (max-width: 960px) {
  .claims-quotes { grid-template-columns: 1fr; gap: 14px; }
  .claim-quote { padding: 22px 18px; }
  .claim-quote p { font-size: 13px; }
}

/* =========================================================
   Claims Tags with Icons
   ========================================================= */
.claims-tag-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
}
.claims-tag-list li svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--color-primary);
  opacity: 0.7;
}

/* =========================================================
   Why Inline（合并到业绩版块的优势）
   ========================================================= */
.why-inline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.why-inline-item {
  padding: 28px 24px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}
.why-inline-item:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.2);
}
.why-inline-item .why-num {
  font-family: var(--font-en);
  font-size: 40px;
  font-weight: 800;
  color: rgba(255,255,255,0.12);
  line-height: 1;
  margin-bottom: 12px;
}
.why-inline-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 8px;
}
.why-inline-item p {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  margin: 0;
  line-height: 1.7;
}

@media (max-width: 960px) {
  .why-inline { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .why-inline-item { padding: 20px 16px; }
  .why-inline-item .why-num { font-size: 32px; }
  .why-inline-item h3 { font-size: 14px; }
  .why-inline-item p { font-size: 12px; }
}
@media (max-width: 480px) {
  .why-inline { grid-template-columns: 1fr 1fr; gap: 10px; }
  .why-inline-item { padding: 16px 12px; }
  .why-inline-item .why-num { font-size: 26px; }
  .why-inline-item h3 { font-size: 13px; }
  .why-inline-item p { font-size: 11px; }
}

/* =========================================================
   Claims Section
   ========================================================= */
.claims-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.claim-stat {
  text-align: center;
  padding: 32px 20px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
.claim-stat::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-gold));
}
.claim-num {
  display: block;
  font-family: var(--font-en);
  font-size: clamp(36px, 5vw, 48px);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 8px;
}
.claim-label {
  font-size: 14px;
  color: var(--color-text-muted);
}

.claims-tags {
  text-align: center;
  padding-top: 32px;
  border-top: 1px dashed var(--color-border);
}
.claims-tags-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0 0 16px;
}
.claims-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  list-style: none;
  padding: 0;
  margin: 0;
}
.claims-tag-list li {
  padding: 8px 16px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 13px;
  color: var(--color-text);
  transition: all 0.2s ease;
}
.claims-tag-list li:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

@media (max-width: 960px) {
  .claims-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .claim-stat { padding: 24px 14px; }
}
@media (max-width: 480px) {
  .claims-grid { gap: 10px; }
  .claim-stat { padding: 18px 10px; }
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  background: #0a1525;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}
.brand-footer .brand-text strong { color: #fff; }
.brand-footer .brand-text small { color: rgba(255,255,255,0.5); }
.footer-tagline {
  margin: 16px 0 0;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  max-width: 320px;
}
.footer-title {
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 16px;
  letter-spacing: 0.04em;
}
.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.site-footer ul li {
  margin-bottom: 10px;
  font-size: 14px;
}
.site-footer ul a:hover { color: var(--color-primary); }

.footer-licenses {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-licenses li {
  margin-bottom: 14px;
  padding: 12px 14px;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-gold);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-licenses strong {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
  letter-spacing: 0.04em;
}
.footer-licenses span {
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.04em;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}
.footer-bottom p { margin: 0; }

/* =========================================================
   底部悬浮操作栏（移动端）
   ========================================================= */
.mobile-action-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 90;
  display: none;                /* 默认隐藏，仅在移动端显示 */
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--color-border);
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  box-shadow: 0 -4px 20px rgba(0,0,0,0.06);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}
.mobile-action-bar.visible { transform: translateY(0); }

.mobile-action-bar a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;                 /* 大点击区 */
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  flex: 1;
}
.mobile-action-bar a svg {
  width: 18px; height: 18px;
}
.mobile-action-secondary {
  background: var(--color-bg-alt);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.mobile-action-primary {
  background: var(--color-primary);
  color: #fff;
}

/* 防止底部悬浮栏遮挡内容 */
body { padding-bottom: 0; }

@media (max-width: 960px) {
  body { padding-bottom: 76px; }    /* 给悬浮栏留空间 */
  .mobile-action-bar { display: flex; gap: 10px; }
}

/* =========================================================
   Responsive（手机优先）
   ========================================================= */
@media (max-width: 960px) {
  /* ---------- 导航 ---------- */
  .nav { height: 60px; }
  .brand-text strong { font-size: 14px; }
  .brand-text small { display: none; }
  .brand-mark { width: 36px; height: 36px; font-size: 18px; }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    padding: 16px;
    gap: 4px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-150%);
    transition: transform 0.3s ease;
    box-shadow: 0 12px 24px rgba(0,0,0,0.08);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a:not(.btn) {
    padding: 14px 16px;
    font-size: 16px;
    border-radius: var(--radius-sm);
  }
  .nav-links a:not(.btn)::after { display: none; }
  .nav-links a:not(.btn):hover { background: var(--color-bg-alt); }
  .nav-links a:not(.btn):hover::after { width: 0; }
  .nav-links .btn { margin-top: 8px; }
  .nav-toggle { display: flex; }

  /* ---------- Hero ---------- */
  .hero {
    padding: 88px 0 40px;
    min-height: auto;            /* 不强制 100vh */
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }
  .hero-text { order: 2; }
  .hero-photo { order: 1; max-width: 320px; margin: 0 auto; }
  .hero-photo img { border-width: 4px; }
  .hero-photo-badge {
    bottom: -14px;
    font-size: 12px;
    padding: 8px 16px;
  }
  .eyebrow { font-size: 11px; }
  .hero-title {
    font-size: clamp(32px, 9vw, 44px);
  }
  .hero-title-en { display: block; margin: 8px 0 0; font-size: 0.4em; }
  .hero-slogan { font-size: 16px; line-height: 1.6; }
  .hero-sub { font-size: 14px; max-width: none; }
  .hero-cta {
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
    margin-bottom: 28px;
  }
  .hero-cta .btn {
    width: 100%;
    height: 52px;                /* 大点击区 */
    font-size: 16px;
  }
  .hero-meta {
    justify-content: space-around;
    gap: 0;
    padding-top: 20px;
  }
  .hero-meta strong { font-size: 22px; }
  .hero-meta li { font-size: 12px; }
  .scroll-hint { display: none; }

  /* ---------- Section ---------- */
  .section { padding: 56px 0; }
  .section-head { margin-bottom: 36px; }
  .section-title { font-size: clamp(24px, 7vw, 32px); }
  .section-sub { font-size: 15px; }

  /* ---------- Card Grid ---------- */
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .card-grid-2 { grid-template-columns: 1fr; gap: 16px; }
  .service-card { padding: 24px 20px; }
  .service-card-large { padding: 28px 22px; }
  .service-icon { width: 48px; height: 48px; margin-bottom: 14px; }
  .service-icon svg { width: 24px; height: 24px; }
  .service-card h3 { font-size: 17px; }
  .service-card p { font-size: 13.5px; }

  /* ---------- About ---------- */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 36px;
    text-align: center;
  }
  .about-photo { max-width: 320px; margin: 0 auto; }
  .about-photo-frame {
    top: 10px; left: 10px;
    right: 0; bottom: 0;
  }
  .about-text .section-title { text-align: center; }
  .about-text p { font-size: 15px; }
  .about-credentials {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 18px;
    text-align: center;
  }
  .credential-num { font-size: 26px; }
  .credential-label { font-size: 12px; }
  .achievement-list { font-size: 14px; text-align: left; }
  .achievement-list li { padding: 10px 0 10px 24px; }

  /* ---------- Stats ---------- */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 36px;
  }
  .stat-item { padding: 22px 12px; }
  .stat-num { font-size: clamp(28px, 8vw, 36px); }
  .stat-label { font-size: 12px; }
  .geo-coverage { padding-top: 28px; }
  .geo-list { font-size: 14px; line-height: 1.8; }

  /* ---------- Video ---------- */
  .video-grid { grid-template-columns: 1fr; gap: 20px; }
  .video-info { padding: 16px 18px 18px; }
  .video-info h3 { font-size: 16px; }

  /* ---------- Why ---------- */
  .why-card { padding: 24px 20px; }
  .why-num { font-size: 40px; }
  .why-card h3 { font-size: 16px; }

  /* ---------- Contact ---------- */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .contact-info .section-title { text-align: center; }
  .contact-list li { gap: 12px; padding: 14px 0; }
  .contact-icon { width: 36px; height: 36px; }
  .contact-icon svg { width: 18px; height: 18px; }
  .qr-placeholder { padding: 16px; flex-direction: column; text-align: center; }

  .contact-form { padding: 24px 20px; }
  .contact-form input,
  .contact-form select,
  .contact-form textarea {
    font-size: 16px;             /* 防止 iOS 自动放大 */
    padding: 14px;
    min-height: 52px;            /* 大点击区 */
  }
  .contact-form textarea { min-height: 100px; }
  .contact-form .form-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form label { margin-bottom: 16px; }
  .contact-form button[type="submit"] {
    height: 52px;
    font-size: 16px;
  }

  /* ---------- Footer ---------- */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .site-footer { padding: 40px 0 20px; }
}

/* 小屏手机 */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 32px; }
  .section { padding: 48px 0; }
  .card-grid-4 { gap: 10px; }              /* 仍保持 2 列，缩小间距 */
  .card-grid-4 .service-card { padding: 20px 16px; }
  .card-grid-4 .service-icon { width: 44px; height: 44px; margin-bottom: 12px; }
  .card-grid-4 .service-icon svg { width: 22px; height: 22px; }
  .card-grid-4 .service-card h3 { font-size: 16px; }
  .card-grid-4 .service-card p { font-size: 13px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero-meta strong { font-size: 20px; }
  .hero-meta { gap: 8px; }
}