/* ==========================================================================
   百城万企社群 - 主样式
   设计语言：深蓝商务 + 金色点缀
   ========================================================================== */

/* 重置与基础 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans CN",
               "Noto Sans CJK SC", "Hiragino Sans GB", "Helvetica Neue",
               Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #1a1a1a;
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.25s ease; }
a:hover { color: #d4af37; }
ul, ol { list-style: none; }
button { font: inherit; cursor: pointer; border: 0; background: transparent; }
input, textarea { font: inherit; }

/* 设计令牌 */
:root {
  --c-primary: #0a1f44;
  --c-primary-2: #122e63;
  --c-primary-3: #1a3a6e;
  --c-gold: #d4af37;
  --c-gold-light: #e9c870;
  --c-red: #c8102e;
  --c-red-2: #e63946;
  --c-text: #1a1a1a;
  --c-text-2: #4a5568;
  --c-text-3: #8a8f99;
  --c-line: #e5e7eb;
  --c-bg: #ffffff;
  --c-bg-2: #f7f8fc;
  --c-bg-3: #eef0f6;
  --shadow-sm: 0 2px 8px rgba(10, 31, 68, 0.06);
  --shadow-md: 0 8px 24px rgba(10, 31, 68, 0.08);
  --shadow-lg: 0 20px 50px rgba(10, 31, 68, 0.12);
  --shadow-gold: 0 8px 24px rgba(212, 175, 55, 0.3);
  --radius: 4px;
  --radius-lg: 12px;
  --max: 1280px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* 通用动画 */
.animate-up {
  opacity: 0;
  transform: translateY(40px);
  animation: fadeUp 1s var(--ease) forwards;
  animation-delay: var(--d, 0s);
}
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.2); }
}
@keyframes glow {
  0%, 100% { box-shadow: 0 0 30px rgba(212, 175, 55, 0.3); }
  50% { box-shadow: 0 0 60px rgba(212, 175, 55, 0.6); }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Header 导航
   ========================================================================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  transition: all 0.4s var(--ease);
}
.header.is-scrolled {
  background: rgba(10, 31, 68, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}
.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 32px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.logo-link {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  text-decoration: none;
  color: #fff;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 18px;
  background: linear-gradient(135deg, #f4cf6a 0%, #d4af37 45%, #b08a1f 100%);
  color: var(--c-primary);
  font-family: 'Helvetica Neue', 'Arial Black', 'PingFang SC', sans-serif;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.18em;
  border-radius: 6px;
  box-shadow:
    0 4px 14px rgba(212, 175, 55, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.45),
    inset 0 -2px 4px rgba(0, 0, 0, 0.12);
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.logo-mark::before {
  content: "";
  position: absolute;
  inset: 3px;
  border: 1.5px solid rgba(10, 30, 80, 0.28);
  border-radius: 4px;
  pointer-events: none;
}
.logo-mark::after {
  content: "";
  position: absolute;
  top: -50%; left: -60%;
  width: 60%; height: 200%;
  background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.55) 50%, transparent 100%);
  transform: skewX(-20deg);
  transition: left 0.8s var(--ease);
}
.logo-link:hover .logo-mark {
  transform: scale(1.04);
  box-shadow:
    0 6px 20px rgba(212, 175, 55, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.5),
    inset 0 -2px 4px rgba(0, 0, 0, 0.12);
}
.logo-link:hover .logo-mark::after { left: 130%; }
.logo-text {
  display: flex;
  align-items: baseline;
  gap: 10px;
  color: #fff;
  line-height: 1.2;
}
.logo-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: var(--c-gold);
}
.logo-divider {
  color: rgba(255, 255, 255, 0.4);
  font-size: 22px;
  font-weight: 300;
  margin: 0 2px;
  user-select: none;
}
.logo-sub {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.05em;
  white-space: nowrap;
  color: #fff;
  opacity: 0.95;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  position: relative;
  padding: 10px 18px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.05em;
  border-radius: 4px;
  transition: all 0.3s var(--ease);
}
.nav-link:hover,
.nav-link.active {
  color: var(--c-gold);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 0;
  height: 2px;
  background: var(--c-gold);
  transition: all 0.3s var(--ease);
  transform: translateX(-50%);
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 60%;
}

.nav-toggle {
  display: none;
  width: 36px;
  height: 36px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s var(--ease);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   Banner
   ========================================================================== */
.banner {
  position: relative;
  min-height: 100vh;
  padding: 120px 24px 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0a1f44 0%, #122e63 50%, #0a1f44 100%);
  overflow: hidden;
}
.banner-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.banner-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212, 175, 55, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 175, 55, 0.08) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  animation: gridMove 30s linear infinite;
}
@keyframes gridMove {
  from { background-position: 0 0, 0 0; }
  to { background-position: 60px 60px, 60px 60px; }
}
.banner-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80vw;
  max-width: 1000px;
  height: 80vw;
  max-height: 1000px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.15) 0%, transparent 60%);
  filter: blur(40px);
  animation: pulse 6s ease-in-out infinite;
}
.banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(212, 175, 55, 0.12), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(200, 16, 46, 0.08), transparent 50%);
  z-index: 0;
}

.banner-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  max-width: 1200px;
  margin: 0 auto;
}
.banner-tag {
  display: inline-block;
  padding: 8px 24px;
  border: 1px solid var(--c-gold);
  color: var(--c-gold);
  font-size: 14px;
  letter-spacing: 0.3em;
  margin-bottom: 36px;
  position: relative;
  background: rgba(212, 175, 55, 0.05);
}
.banner-tag::before,
.banner-tag::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 30px;
  height: 1px;
  background: var(--c-gold);
}
.banner-tag::before { left: -40px; }
.banner-tag::after { right: -40px; }

.banner-title {
  font-size: clamp(40px, 7vw, 96px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: 0.05em;
  margin-bottom: 36px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}
.banner-title-line {
  display: block;
  background: linear-gradient(180deg, #ffffff 0%, #d9d9d9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.banner-title-main {
  font-size: clamp(48px, 9vw, 120px);
  background: linear-gradient(135deg, #d4af37 0%, #f4d97c 50%, #d4af37 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
  font-weight: 900;
  letter-spacing: 0.1em;
  margin: 8px 0;
}
.banner-title-sub {
  font-size: clamp(24px, 3.5vw, 42px);
  color: var(--c-gold-light);
  font-weight: 500;
  letter-spacing: 0.2em;
}

.banner-meta {
  margin: 32px 0 20px;
}
.banner-date {
  display: inline-block;
  font-size: clamp(18px, 2.4vw, 28px);
  color: #fff;
  padding: 10px 32px;
  border-left: 3px solid var(--c-red);
  border-right: 3px solid var(--c-red);
  font-weight: 500;
  letter-spacing: 0.1em;
}
.banner-theme {
  font-size: clamp(16px, 1.8vw, 22px);
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.15em;
  margin-bottom: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.banner-dot {
  color: var(--c-gold);
  font-size: 1.5em;
}

.banner-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 36px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.1em;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
  border: 1.5px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--c-gold) 0%, var(--c-gold-light) 100%);
  color: var(--c-primary);
  border-color: var(--c-gold);
  box-shadow: var(--shadow-gold);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(212, 175, 55, 0.5);
  color: var(--c-primary);
}
.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
}
.btn-line {
  background: transparent;
  color: var(--c-primary);
  border-color: var(--c-primary);
}
.btn-line:hover {
  background: var(--c-primary);
  color: #fff;
}
.btn-lg { padding: 18px 48px; font-size: 17px; }
.btn-block { width: 100%; }

.banner-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.6);
  font-size: 11px;
  letter-spacing: 0.3em;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 3;
  animation: float 3s ease-in-out infinite;
}
.banner-scroll i {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--c-gold), transparent);
}

/* ==========================================================================
   数据展示区
   ========================================================================== */
.stats {
  background: #fff;
  padding: 80px 0;
  position: relative;
  z-index: 5;
  margin-top: -60px;
}
.stats::before {
  content: "";
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 80%;
  max-width: 1000px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-gold), transparent);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 50px 40px;
  box-shadow: var(--shadow-lg);
  position: relative;
  border-top: 3px solid var(--c-gold);
}
.stat-item {
  text-align: center;
  position: relative;
}
.stat-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -15px;
  top: 20%;
  height: 60%;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--c-line), transparent);
}
.stat-num {
  font-size: 56px;
  font-weight: 800;
  color: var(--c-primary);
  line-height: 1;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 12px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}
.stat-num em {
  font-size: 36px;
  color: var(--c-gold);
  font-style: normal;
  font-weight: 700;
}
.stat-num .stat-prefix {
  font-size: 28px;
  color: var(--c-primary);
  font-style: normal;
  font-weight: 700;
}
.stat-label {
  font-size: 15px;
  color: var(--c-text-2);
  letter-spacing: 0.1em;
}

/* ==========================================================================
   通用 Section
   ========================================================================== */
.section {
  padding: 100px 0;
  position: relative;
}
.section:nth-child(even) { background: var(--c-bg-2); }

.section-head {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 70px;
}
.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--c-gold);
  margin-bottom: 16px;
  padding: 6px 0;
  position: relative;
}
.section-eyebrow::before,
.section-eyebrow::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 30px;
  height: 1px;
  background: var(--c-gold);
  opacity: 0.5;
}
.section-eyebrow::before { right: 100%; margin-right: 16px; }
.section-eyebrow::after { left: 100%; margin-left: 16px; }

.section-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  color: var(--c-primary);
  line-height: 1.2;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.section-title em {
  font-style: normal;
  color: var(--c-gold);
  position: relative;
}
.section-desc {
  font-size: 16px;
  color: var(--c-text-2);
  line-height: 1.8;
  margin-top: 16px;
}

/* ==========================================================================
   About 社群介绍
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-media {
  position: relative;
}
.about-img {
  width: 100%;
  aspect-ratio: 4/3;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  position: relative;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.about-img-deco {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 31, 68, 0.1) 0%, transparent 50%, rgba(212, 175, 55, 0.1) 100%);
  pointer-events: none;
}
.about-img::after {
  content: "";
  position: absolute;
  top: 20px; left: 20px; right: 20px; bottom: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  pointer-events: none;
}
.about-badge {
  position: absolute;
  bottom: -30px;
  right: -30px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: var(--c-primary);
  color: var(--c-gold);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--c-gold);
  font-family: "Helvetica Neue", sans-serif;
  animation: float 4s ease-in-out infinite;
}
.about-badge span {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: 0.1em;
}
.about-badge small {
  font-size: 11px;
  margin-top: 4px;
  letter-spacing: 0.1em;
  color: #fff;
}
.about-text p {
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-text-2);
  margin-bottom: 20px;
}
.about-lead {
  font-size: 18px !important;
  color: var(--c-primary) !important;
  font-weight: 500;
  position: relative;
  padding-left: 20px;
  border-left: 3px solid var(--c-gold);
}
.about-features {
  margin-top: 30px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.about-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--c-text);
  font-weight: 500;
}
.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--c-gold);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ==========================================================================
   Event 最新活动
   ========================================================================== */
.event {
  background: linear-gradient(135deg, #0a1f44 0%, #122e63 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.event::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 10% 20%, rgba(212, 175, 55, 0.15), transparent 50%),
    radial-gradient(circle at 90% 80%, rgba(200, 16, 46, 0.1), transparent 50%);
}
.event .section-eyebrow { color: var(--c-gold-light); }
.event .section-eyebrow::before, .event .section-eyebrow::after { background: var(--c-gold-light); }
.event .section-title { color: #fff; }

.event-card {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.event-poster {
  position: relative;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, #1a3a6e 0%, #0a1f44 100%);
  border-radius: var(--radius-lg);
  padding: 50px 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}
.event-poster::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 0%, rgba(212, 175, 55, 0.3), transparent 50%),
    repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(212, 175, 55, 0.03) 20px, rgba(212, 175, 55, 0.03) 21px);
}
.event-poster-inner {
  position: relative;
  z-index: 1;
}
.event-tagline {
  display: inline-block;
  font-size: 14px;
  letter-spacing: 0.5em;
  color: var(--c-gold);
  padding: 6px 16px;
  border: 1px solid var(--c-gold);
  margin-bottom: 20px;
}
.event-name {
  font-size: 42px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(212, 175, 55, 0.3);
}
.event-city {
  font-size: 18px;
  color: var(--c-gold-light);
  letter-spacing: 0.3em;
  margin-bottom: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.3);
}
.event-theme {
  font-size: 20px;
  color: #fff;
  line-height: 1.6;
  font-weight: 500;
  letter-spacing: 0.1em;
}
.event-corner {
  position: absolute;
  width: 30px;
  height: 30px;
  border: 2px solid var(--c-gold);
}
.event-corner.tl { top: 20px; left: 20px; border-right: 0; border-bottom: 0; }
.event-corner.tr { top: 20px; right: 20px; border-left: 0; border-bottom: 0; }
.event-corner.bl { bottom: 20px; left: 20px; border-right: 0; border-top: 0; }
.event-corner.br { bottom: 20px; right: 20px; border-left: 0; border-top: 0; }

.event-info {
  position: relative;
  z-index: 1;
}
.event-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.event-meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.event-meta-label {
  font-size: 13px;
  color: var(--c-gold-light);
  letter-spacing: 0.2em;
}
.event-meta-val {
  font-size: 18px;
  color: #fff;
  font-weight: 600;
}
.event-title {
  font-size: 22px;
  color: var(--c-gold-light);
  margin-bottom: 20px;
  letter-spacing: 0.1em;
}
.countdown {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}
.cd-block {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: var(--radius);
  padding: 24px 12px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all 0.3s var(--ease);
}
.cd-block::before {
  content: "";
  position: absolute;
  top: 0; left: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-gold), transparent);
  transition: left 0.6s var(--ease);
}
.cd-block:hover {
  background: rgba(212, 175, 55, 0.1);
  transform: translateY(-4px);
}
.cd-num {
  display: block;
  font-size: 48px;
  font-weight: 800;
  color: var(--c-gold);
  line-height: 1;
  font-family: "Helvetica Neue", monospace, sans-serif;
  margin-bottom: 8px;
}
.cd-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.2em;
}
.event-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.event .btn-line {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}
.event .btn-line:hover {
  background: #fff;
  color: var(--c-primary);
}

/* ==========================================================================
   Founder 发起人
   ========================================================================== */
.founder-top {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}
.founder-photo {
  position: relative;
}
.founder-photo-inner {
  width: 100%;
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  position: relative;
  z-index: 2;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-3) 100%);
}
.founder-photo-inner > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  z-index: 0;
}
.founder-photo-frame {
  position: absolute;
  top: 20px; left: 20px; right: -20px; bottom: -20px;
  border: 2px solid var(--c-gold);
  border-radius: var(--radius-lg);
  z-index: 1;
}
.founder-info { padding: 20px 0; }
.founder-role {
  display: inline-block;
  font-size: 13px;
  color: var(--c-gold);
  letter-spacing: 0.3em;
  margin-bottom: 12px;
  padding: 4px 12px;
  border: 1px solid var(--c-gold);
  border-radius: 2px;
}
.founder-name {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  color: var(--c-primary);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  line-height: 1;
}
.founder-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 30px;
}
.founder-tags span {
  font-size: 14px;
  color: var(--c-text-2);
  padding: 6px 16px;
  background: var(--c-bg-2);
  border-radius: 100px;
  border: 1px solid var(--c-line);
}
.founder-points {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.founder-points p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text-2);
  padding-left: 16px;
  border-left: 2px solid var(--c-bg-3);
  position: relative;
}
.founder-points p b {
  color: var(--c-primary);
  font-weight: 700;
  margin-right: 8px;
  display: inline-block;
  min-width: 80px;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 80px;
}
.result-card {
  background: #fff;
  padding: 32px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-line);
  position: relative;
  overflow: hidden;
  transition: all 0.4s var(--ease);
}
.result-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--c-gold), var(--c-gold-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}
.result-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--c-gold);
}
.result-card:hover::before { transform: scaleX(1); }
.result-icon {
  font-size: 32px;
  font-weight: 800;
  color: var(--c-gold);
  font-family: "Helvetica Neue", sans-serif;
  margin-bottom: 12px;
  line-height: 1;
}
.result-card h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}
.result-card p {
  font-size: 14px;
  color: var(--c-text-2);
  line-height: 1.7;
}

.methodology {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-2) 100%);
  color: #fff;
  padding: 60px;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}
.methodology::before {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.15), transparent 70%);
  border-radius: 50%;
}
.methodology-title {
  font-size: 28px;
  color: var(--c-gold);
  margin-bottom: 20px;
  letter-spacing: 0.1em;
  position: relative;
}
.methodology-lead {
  font-size: 15px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 30px;
  position: relative;
}
.methodology-flow {
  display: flex;
  align-items: stretch;
  gap: 12px;
  flex-wrap: wrap;
  position: relative;
  margin-bottom: 20px;
}
.mf-step {
  flex: 1;
  min-width: 180px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  transition: all 0.3s var(--ease);
}
.mf-step:hover {
  background: rgba(212, 175, 55, 0.1);
  transform: translateY(-4px);
}
.mf-step-ai {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(212, 175, 55, 0.05));
  border-color: var(--c-gold);
}
.mf-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--c-gold);
  letter-spacing: 0.2em;
  padding: 4px 12px;
  border: 1px solid var(--c-gold);
  border-radius: 2px;
  margin-bottom: 12px;
}
.mf-step p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
}
.mf-arrow {
  display: flex;
  align-items: center;
  font-size: 24px;
  color: var(--c-gold);
  font-weight: 300;
}
.methodology-foot {
  font-size: 14px;
  color: var(--c-gold-light);
  text-align: center;
  letter-spacing: 0.1em;
  position: relative;
}

/* ==========================================================================
   Team 讲师团队
   ========================================================================== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.team-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--c-line);
  transition: all 0.4s var(--ease);
  position: relative;
}
.team-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--c-gold);
}
.team-photo {
  width: 100%;
  aspect-ratio: 1/1;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-3) 100%);
}
.team-photo > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  z-index: 0;
  transition: transform 0.5s var(--ease);
}
.team-card:hover .team-photo > img { transform: scale(1.05); }
.team-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10, 31, 68, 0.4) 100%);
  z-index: 1;
  pointer-events: none;
}
.team-body {
  padding: 30px 24px;
}
.team-body h3 {
  font-size: 26px;
  font-weight: 800;
  color: var(--c-primary);
  margin-bottom: 6px;
  letter-spacing: 0.05em;
}
.team-role {
  font-size: 14px;
  color: var(--c-gold);
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--c-line);
}
.team-org {
  font-size: 13px;
  color: var(--c-text-3);
  margin-bottom: 8px;
  font-weight: 500;
}
.team-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--c-line);
}
.team-meta .team-role {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}
.team-blog {
  display: inline-block;
  font-size: 13px;
  color: var(--c-gold);
  padding: 4px 10px;
  background: rgba(212, 175, 55, 0.08);
  border-radius: 4px;
  margin-bottom: 0;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s var(--ease);
}
.team-blog:hover {
  background: var(--c-gold);
  color: #fff;
}
.team-body ul {
  margin: 12px 0;
}
.team-body ul li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-2);
  margin-bottom: 4px;
}
.team-body ul li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--c-gold);
  font-size: 14px;
}
.team-clients {
  font-size: 12px;
  color: var(--c-text-3);
  line-height: 1.7;
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px dashed var(--c-line);
}
.team-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}
.team-tags span {
  font-size: 12px;
  color: var(--c-primary);
  background: var(--c-bg-2);
  padding: 3px 10px;
  border-radius: 100px;
  border: 1px solid var(--c-line);
}

/* ==========================================================================
   History 时间轴
   ========================================================================== */
.history { background: var(--c-bg-2); }
.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px 0;
}
.tl-line {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--c-gold), transparent);
  transform: translateX(-50%);
}
.tl-item {
  position: relative;
  display: flex;
  align-items: center;
  margin-bottom: 40px;
  width: 50%;
}
.tl-item:nth-child(odd) {
  padding-right: 60px;
  justify-content: flex-end;
}
.tl-item:nth-child(even) {
  margin-left: 50%;
  padding-left: 60px;
}
.tl-dot {
  position: absolute;
  top: 50%;
  width: 18px;
  height: 18px;
  background: var(--c-gold);
  border: 4px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.3);
  z-index: 2;
  transform: translateY(-50%);
}
.tl-item:nth-child(odd) .tl-dot { right: -9px; }
.tl-item:nth-child(even) .tl-dot { left: -9px; }
.tl-card {
  background: #fff;
  padding: 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--c-line);
  width: 100%;
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}
.tl-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--c-gold);
}
.tl-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  background-size: cover;
  background-position: center;
  background-color: var(--c-bg-2);
  position: relative;
  overflow: hidden;
}
.tl-card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(255, 255, 255, 0.05));
  pointer-events: none;
}
.tl-card-body {
  padding: 22px 24px 24px;
}
.tl-num {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--c-gold);
  letter-spacing: 0.2em;
  padding: 4px 10px;
  background: rgba(212, 175, 55, 0.1);
  border-radius: 2px;
  margin-bottom: 10px;
}
.tl-card h4 {
  font-size: 18px;
  color: var(--c-primary);
  font-weight: 700;
  margin-bottom: 6px;
}
.tl-card p {
  font-size: 14px;
  color: var(--c-text-2);
  line-height: 1.6;
}

/* ==========================================================================
   Members 社群企业
   ========================================================================== */
.members-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.member-card {
  background: #fff;
  padding: 24px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-line);
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
  --accent: #1e40af;
  background-image: linear-gradient(180deg, #fff 0%, color-mix(in srgb, var(--accent) 4%, #fff) 100%);
}
.member-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s var(--ease);
}
.member-card::after {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 60px; height: 60px;
  background: var(--accent);
  opacity: 0.05;
  border-radius: 0 var(--radius-lg) 0 100%;
  transition: all 0.4s var(--ease);
  pointer-events: none;
}
.member-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px color-mix(in srgb, var(--accent) 25%, transparent);
  border-color: var(--accent);
}
.member-card:hover::before { transform: scaleY(1); }
.member-card:hover::after {
  width: 80px; height: 80px;
  opacity: 0.12;
}
.m-mark {
  width: 64px; height: 64px;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, #1e40af, #3b82f6);
  background-size: cover;
  background-position: center;
  background-color: #1e40af;
  border-radius: 14px;
  margin-bottom: 16px;
  font-family: "Helvetica Neue", "PingFang SC", sans-serif;
  box-shadow: 0 8px 20px rgba(30, 64, 175, 0.4);
  position: relative;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.25);
}
.m-mark::after {
  content: attr(data-m);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  transition: opacity 0.3s var(--ease);
}
.m-mark.has-image::after { opacity: 0; }

/* 6 种色调循环 - 标识渐变 + 卡片主题色 */
.member-card:nth-child(6n+1) { --accent: #2563eb; }
.member-card:nth-child(6n+1) .m-mark {
  background-image: linear-gradient(135deg, #1e3a8a, #3b82f6);
  background-color: #1e40af;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}
.member-card:nth-child(6n+2) { --accent: #9333ea; }
.member-card:nth-child(6n+2) .m-mark {
  background-image: linear-gradient(135deg, #6d28d9, #c084fc);
  background-color: #7e22ce;
  box-shadow: 0 8px 20px rgba(147, 51, 234, 0.4);
}
.member-card:nth-child(6n+3) { --accent: #0891b2; }
.member-card:nth-child(6n+3) .m-mark {
  background-image: linear-gradient(135deg, #155e75, #22d3ee);
  background-color: #0e7490;
  box-shadow: 0 8px 20px rgba(8, 145, 178, 0.4);
}
.member-card:nth-child(6n+4) { --accent: #ea580c; }
.member-card:nth-child(6n+4) .m-mark {
  background-image: linear-gradient(135deg, #9a3412, #fb923c);
  background-color: #c2410c;
  box-shadow: 0 8px 20px rgba(234, 88, 12, 0.4);
}
.member-card:nth-child(6n+5) { --accent: #e11d48; }
.member-card:nth-child(6n+5) .m-mark {
  background-image: linear-gradient(135deg, #9f1239, #fb7185);
  background-color: #be123c;
  box-shadow: 0 8px 20px rgba(225, 29, 72, 0.4);
}
.member-card:nth-child(6n+6) { --accent: #059669; }
.member-card:nth-child(6n+6) .m-mark {
  background-image: linear-gradient(135deg, #064e3b, #34d399);
  background-color: #047857;
  box-shadow: 0 8px 20px rgba(5, 150, 105, 0.4);
}
.member-card h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1.4;
  margin-bottom: 8px;
  min-height: 42px;
}
.member-card h4 a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s var(--ease);
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
}
.member-card h4 a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.m-tag {
  font-size: 12px;
  color: var(--c-gold);
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}
.m-desc {
  font-size: 12px;
  color: var(--c-text-3);
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 58px;
}
.m-services {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding-top: 10px;
  border-top: 1px dashed color-mix(in srgb, var(--accent) 30%, var(--c-line));
}
.m-services span {
  font-size: 11px;
  color: #fff;
  background: var(--accent);
  padding: 3px 10px;
  border-radius: 100px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all 0.25s var(--ease);
}
.m-services span:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 10px color-mix(in srgb, var(--accent) 40%, transparent);
}

/* ==========================================================================
   Contact 联系方式
   ========================================================================== */
.contact {
  background: #f5f6fa;
  color: #1a2a3a;
  position: relative;
  padding: 100px 0 110px;
}
.contact::before { display: none; }
.contact::after { display: none; }
.contact .container { position: relative; z-index: 1; }

.contact .section-eyebrow {
  color: var(--c-gold);
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.4);
  padding: 10px 26px;
  border-radius: 4px;
  margin-bottom: 24px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.35em;
  text-shadow: none;
}
.contact .section-eyebrow::before,
.contact .section-eyebrow::after { display: none; }
.contact .section-title {
  color: #0a1f44;
  text-shadow: none;
  font-size: clamp(36px, 4.5vw, 54px);
}
.contact .section-title em {
  color: var(--c-gold);
  text-shadow: none;
}
.section-sub {
  text-align: center;
  font-size: 15px;
  color: #5a6a7a;
  margin: 16px auto 0;
  max-width: 720px;
  letter-spacing: 0.05em;
  line-height: 1.7;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 36px;
  margin-top: 56px;
}

/* 左侧：2×2 网格联系卡片 */
.contact-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-content: start;
}
.ci-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-lg);
  padding: 22px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: all 0.35s var(--ease);
  position: relative;
  overflow: hidden;
  --ci-accent: #3b82f6;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}
.ci-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--ci-accent);
  opacity: 1;
}
.ci-card::after {
  content: "";
  position: absolute;
  top: -30px; right: -30px;
  width: 100px; height: 100px;
  background: var(--ci-accent);
  opacity: 0.05;
  border-radius: 50%;
  transition: all 0.4s var(--ease);
  pointer-events: none;
}
.ci-card:hover {
  background: #fff;
  transform: translateY(-4px);
  border-color: var(--ci-accent);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}
.ci-card:hover::after {
  transform: scale(1.6);
  opacity: 0.1;
}
.ci-card--location { --ci-accent: #3b82f6; }
.ci-card--phone { --ci-accent: #10b981; }
.ci-card--mail { --ci-accent: #f97316; }
.ci-card--work { --ci-accent: #a855f7; }

.ci-card-ico {
  width: 48px; height: 48px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--ci-accent) 0%, color-mix(in srgb, var(--ci-accent) 30%, #fff) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 6px 16px color-mix(in srgb, var(--ci-accent) 40%, transparent);
  position: relative;
  z-index: 1;
}
.ci-card-ico svg { width: 24px; height: 24px; }
.ci-card-body { flex: 1; min-width: 0; position: relative; z-index: 1; }
.ci-card-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  color: var(--ci-accent);
  letter-spacing: 0.25em;
  margin-bottom: 6px;
}
.ci-card-text {
  font-size: 14px;
  color: #1a2a3a;
  font-weight: 600;
  line-height: 1.4;
  margin: 0 0 4px 0;
}
.ci-card-text a {
  color: #1a2a3a;
  text-decoration: none;
  transition: color 0.3s;
}
.ci-card-text a:hover { color: var(--ci-accent); }
.ci-card-tip {
  font-size: 11px;
  color: #6b7280;
  letter-spacing: 0.05em;
}

/* 右侧：表单 */
.contact-form-wrap {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.form-corner {
  position: absolute;
  width: 24px; height: 24px;
  border-color: var(--c-gold);
  border-style: solid;
  opacity: 0.6;
  transition: all 0.4s var(--ease);
  pointer-events: none;
}
.form-corner--tl { top: 14px; left: 14px; border-width: 2px 0 0 2px; }
.form-corner--tr { top: 14px; right: 14px; border-width: 2px 2px 0 0; }
.form-corner--bl { bottom: 14px; left: 14px; border-width: 0 0 2px 2px; }
.form-corner--br { bottom: 14px; right: 14px; border-width: 0 2px 2px 0; }
.contact-form-wrap:hover .form-corner { opacity: 1; }

.form-deco {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}
.form-deco-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-gold), transparent);
  opacity: 0.5;
}
.form-deco-text {
  font-size: 11px;
  font-weight: 700;
  color: var(--c-gold);
  letter-spacing: 0.3em;
  white-space: nowrap;
}
.form-title {
  font-size: 24px;
  font-weight: 800;
  color: #0a1f44;
  line-height: 1.5;
  margin-bottom: 24px;
}
.form-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--c-gold), #b8941f);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.form-field {
  position: relative;
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-md);
  padding: 0 14px;
  transition: all 0.3s var(--ease);
}
.form-field:hover {
  background: #fff;
  border-color: #cbd5e1;
}
.form-field:focus-within {
  background: #fff;
  border-color: var(--c-gold);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.15);
}
.form-field-ico {
  display: flex;
  align-items: center;
  color: #94a3b8;
  margin-right: 10px;
  transition: color 0.3s;
}
.form-field:focus-within .form-field-ico { color: var(--c-gold); }
.form-field-ico svg { width: 18px; height: 18px; }
.form-field input,
.form-field textarea {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 14px 0;
  color: #1a2a3a;
  font-size: 14px;
  font-family: inherit;
  resize: none;
  min-width: 0;
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: #9ca3af; }
.form-field--textarea {
  align-items: flex-start;
  padding: 12px 14px;
}
.form-field-ico--top {
  align-self: flex-start;
  padding-top: 2px;
}
.form-field-required {
  color: #ef4444;
  font-size: 14px;
  font-weight: 700;
  margin-left: 4px;
}
.form-field-required--top {
  align-self: flex-start;
  padding-top: 2px;
}

.btn-submit {
  background: linear-gradient(135deg, var(--c-gold) 0%, #b8941f 100%);
  color: #0a1f44;
  border: none;
  border-radius: var(--radius-md);
  padding: 15px 32px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.1em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.3s var(--ease);
  box-shadow: 0 8px 24px rgba(212, 175, 55, 0.3);
  position: relative;
  overflow: hidden;
  margin-top: 4px;
}
.btn-submit::before {
  content: "";
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
  transition: left 0.6s var(--ease);
}
.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(212, 175, 55, 0.5);
}
.btn-submit:hover::before { left: 100%; }
.btn-submit:active { transform: translateY(0); }
.btn-submit svg {
  width: 18px; height: 18px;
  transition: transform 0.3s var(--ease);
}
.btn-submit:hover svg { transform: translateX(4px); }

.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
  padding-top: 14px;
  border-top: 1px dashed #e5e7eb;
}
.form-tip {
  font-size: 12px;
  color: #6b7280;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  letter-spacing: 0.02em;
}
.form-tip-dot {
  width: 8px; height: 8px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6);
  animation: pulse 1.8s infinite;
}
.form-trust {
  font-size: 12px;
  color: #6b7280;
  letter-spacing: 0.02em;
}
.form-trust em {
  font-style: normal;
  color: var(--c-gold);
  font-weight: 800;
  font-size: 14px;
  margin: 0 2px;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
  70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* ==========================================================================
   浮动元素
   ========================================================================== */
.float-cta {
  position: fixed;
  right: 30px;
  bottom: 100px;
  z-index: 90;
  background: linear-gradient(135deg, var(--c-red), var(--c-red-2));
  color: #fff;
  padding: 16px 24px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.1em;
  box-shadow: 0 8px 30px rgba(200, 16, 46, 0.4);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s var(--ease);
  animation: glow 2.5s ease-in-out infinite;
}
.float-cta::before {
  content: "📞";
}
.float-cta:hover {
  transform: scale(1.05);
  color: #fff;
  box-shadow: 0 12px 40px rgba(200, 16, 46, 0.5);
}
.back-top {
  position: fixed;
  right: 30px;
  bottom: 40px;
  z-index: 90;
  width: 50px;
  height: 50px;
  background: var(--c-primary);
  color: var(--c-gold);
  border-radius: 50%;
  font-size: 22px;
  font-weight: 700;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s var(--ease);
}
.back-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}
.back-top:hover {
  background: var(--c-gold);
  color: var(--c-primary);
  transform: translateY(-4px);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: #051430;
  color: rgba(255, 255, 255, 0.6);
  padding: 60px 0 24px;
  position: relative;
}
.footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-gold), transparent);
}
.footer-inner {}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 24px;
}
.footer-logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--c-gold);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 400px;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.fl-col h5 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.1em;
  position: relative;
  padding-bottom: 10px;
}
.fl-col h5::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 24px;
  height: 2px;
  background: var(--c-gold);
}
.fl-col a, .fl-col p {
  display: block;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 4px;
  transition: color 0.3s;
}
.fl-col a:hover { color: var(--c-gold); }
.footer-bottom {
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.8;
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.6);
}
.footer-bottom a:hover { color: var(--c-gold); }

/* ==========================================================================
   表单状态
   ========================================================================== */
.form-status {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-top: 16px;
  font-size: 14px;
  text-align: center;
  display: none;
}
.form-status.is-success {
  display: block;
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.4);
  color: #86efac;
}
.form-status.is-error {
  display: block;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fca5a5;
}

/* ==========================================================================
   选择高亮
   ========================================================================== */
::selection {
  background: var(--c-gold);
  color: var(--c-primary);
}