/* ============ 基础（蓝白主题）============ */
:root {
  --blue-deep: #0B2B6B;
  --blue-1: #1E5AC8;
  --blue-2: #2F6FE0;
  --blue-soft: #EAF2FE;
  --blue-bg: #F4F8FE;
  --white: #FFFFFF;
  --line: rgba(30, 90, 200, 0.16);
  --text: #14263F;
  --text-dim: #5B7290;
  --radius: 14px;
  --shadow: 0 20px 50px rgba(30, 90, 200, 0.14);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--white);
  color: var(--text);
  line-height: 1.75;
  overflow-x: hidden;
}
p { line-height: 1.8; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

.text-gold { color: var(--blue-1); }

/* ============ 按钮 ============ */
.btn {
  display: inline-block;
  border: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 30px;
  border-radius: 999px;
  transition: all 0.25s ease;
  letter-spacing: 1px;
  text-decoration: none;
  font-family: inherit;
}
.btn-gold {
  background: linear-gradient(135deg, #1E5AC8, #3B82F6);
  color: #FFFFFF;
  box-shadow: 0 8px 24px rgba(30, 90, 200, 0.35);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(30, 90, 200, 0.5); }
.btn-ghost {
  background: transparent;
  color: var(--blue-1);
  border: 1px solid rgba(30, 90, 200, 0.4);
}
.btn-ghost:hover { border-color: var(--blue-1); background: rgba(30, 90, 200, 0.06); }
.btn-large { padding: 16px 44px; font-size: 17px; }
.btn-small { padding: 8px 22px; font-size: 14px; }
.btn-block { width: 100%; display: block; }

/* ============ 导航 ============ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: all 0.3s ease;
}
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 6px 24px rgba(30, 90, 200, 0.08);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.brand {
  display: flex; align-items: center; text-decoration: none;
  background: #FFFFFF;
  padding: 5px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  box-shadow: 0 4px 14px rgba(30, 90, 200, 0.08);
}
.brand-logo { height: 36px; width: auto; display: block; }
.navbar.scrolled .brand { padding: 4px 12px; }
.navbar.scrolled .brand-logo { height: 30px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  position: relative;
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--blue-1); }
.nav-links a.active { color: var(--blue-1); font-weight: 700; }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -7px;
  height: 2.5px;
  border-radius: 2px;
  background: linear-gradient(90deg, #1E5AC8, #6EA8FF);
}
.nav-links .btn-small { padding: 8px 18px; font-size: 13px; letter-spacing: 0; white-space: nowrap; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--blue-deep); margin: 5px 0; border-radius: 2px;
  transition: all 0.3s;
}

/* ============ Hero（首页深蓝满屏） ============ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 130px 0 90px;
  background:
    radial-gradient(ellipse 68% 52% at 50% -6%, rgba(59, 130, 246, 0.38), transparent 66%),
    radial-gradient(ellipse 55% 50% at 86% 82%, rgba(30, 90, 200, 0.3), transparent 70%),
    radial-gradient(ellipse 46% 42% at 10% 88%, rgba(196, 136, 31, 0.12), transparent 72%),
    linear-gradient(180deg, #061632 0%, #0B2B6B 54%, #071E45 100%);
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 66% 58% at 50% 45%, black 26%, transparent 76%);
  -webkit-mask-image: radial-gradient(ellipse 66% 58% at 50% 45%, black 26%, transparent 76%);
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(110px); opacity: 0.55; }
.hero-glow-1 { width: 520px; height: 520px; background: rgba(59, 130, 246, 0.3); top: -160px; left: 50%; transform: translateX(-50%); }
.hero-glow-2 { width: 420px; height: 420px; background: rgba(196, 136, 31, 0.16); bottom: -140px; right: -90px; }
/* 科技感地球暗纹（线框地球 + 跨境连线，20%~30% 不透明度） */
.hero-globe {
  position: absolute;
  top: 50%;
  right: -13%;
  width: min(960px, 88vw);
  aspect-ratio: 1 / 1;
  transform: translateY(-47%);
  background: url("images/hero-globe.svg") center / contain no-repeat;
  opacity: 0.26;
  mix-blend-mode: screen;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 46%, rgba(0, 0, 0, 0.55) 72%, transparent 88%);
  mask-image: radial-gradient(circle at 50% 50%, #000 46%, rgba(0, 0, 0, 0.55) 72%, transparent 88%);
  animation: globeFloat 20s ease-in-out infinite alternate;
}
@keyframes globeFloat {
  from { transform: translateY(-47%); }
  to { transform: translateY(-51%); }
}
/* 轮播活动照片层（随切换淡入淡出） */
.hero-photo {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 0.9s ease;
  pointer-events: none;
}
.hero-photo::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.72) 38%, rgba(255,255,255,0.72) 62%, rgba(255,255,255,0.95) 100%);
}
.hero-photo.show { opacity: 1; }
.hero-content { position: relative; z-index: 2; max-width: 900px; }
.hero-tag {
  font-size: 13px;
  letter-spacing: 6px;
  color: var(--blue-1);
  margin-bottom: 24px;
  font-weight: 600;
}
.hero-title {
  font-size: clamp(34px, 5.6vw, 62px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 2px;
  margin-bottom: 26px;
  color: var(--blue-deep);
}
.hero-title-event { font-size: clamp(30px, 4.6vw, 50px); }
.hero-title-slogan {
  font-size: clamp(17px, 3.4vw, 40px);
  letter-spacing: 1px;
  line-height: 1.6;
  margin-bottom: 24px;
}
/* 首页首屏：入场渐显 + 金色呼吸 */
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes goldBreathe {
  0%, 100% { filter: drop-shadow(0 0 5px rgba(217, 168, 78, 0.16)) brightness(1); }
  50% { filter: drop-shadow(0 0 20px rgba(238, 197, 126, 0.6)) brightness(1.1); }
}
@keyframes goldShift {
  from { background-position: 0% 50%; }
  to { background-position: 100% 50%; }
}

/* 首页首屏：品牌名（金属光泽循环 + 两侧金线展开） */
@keyframes brandLineIn {
  from { width: 0; opacity: 0; }
  to { width: 56px; opacity: 1; }
}
@keyframes brandGloss {
  from { background-position: 140% 50%; }
  to { background-position: -40% 50%; }
}
.hero-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 16px;
  animation: heroFadeUp 0.8s cubic-bezier(0.22, 0.7, 0.3, 1) 0.04s backwards;
}
.hero-brand-line {
  display: block;
  width: 56px;
  height: 1px;
  background: linear-gradient(90deg, rgba(217, 168, 78, 0), rgba(217, 168, 78, 0.9));
  animation: brandLineIn 1.1s cubic-bezier(0.22, 0.7, 0.3, 1) 0.55s backwards;
}
.hero-brand-line-r {
  background: linear-gradient(270deg, rgba(217, 168, 78, 0), rgba(217, 168, 78, 0.9));
}
.hero-brand-text {
  font-size: clamp(16px, 2.05vw, 22px);
  font-weight: 700;
  letter-spacing: 0.34em;
  padding-left: 0.34em;
  white-space: nowrap;
  background: linear-gradient(100deg,
    #E6D2A6 0%, #FFFFFF 14%, #E8D2A0 26%, #FFF8E8 36%, #E8B95C 48%,
    #FFF6DF 62%, #C4881F 76%, #F3E2BE 88%, #FFFFFF 100%);
  background-size: 280% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 20px rgba(217, 168, 78, 0.28));
  animation: brandGloss 7s linear infinite;
}

/* 首页首屏：小标签 + 大主标 + 金色副标 */
.hero-eyebrow {
  animation: heroFadeUp 0.75s cubic-bezier(0.22, 0.7, 0.3, 1) 0.08s backwards;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 5.5px;
  color: #D9A84E;
  margin-bottom: 28px;
  text-indent: 5.5px;
}
.hero-content-solo { max-width: 1080px; }
.hero-title-solo {
  font-size: clamp(15px, 4.4vw, 48px);
  letter-spacing: clamp(0.5px, 0.35vw, 3px);
  line-height: 1.9;
  margin-bottom: 0;
  color: #fff;
}
.hero-title-solo .hero-line-1 {
  display: block;
  font-size: clamp(29px, 4.5vw, 58px);
  font-weight: 800;
  letter-spacing: clamp(0.5px, 0.28vw, 3px);
  line-height: 1.34;
  color: #fff;
  text-wrap: balance;
  animation: heroFadeUp 0.95s cubic-bezier(0.22, 0.7, 0.3, 1) 0.26s backwards;
}
.hero-title-solo .hero-line-2 {
  display: block;
  margin-top: 24px;
  text-wrap: balance;
  font-size: clamp(16px, 2.1vw, 25px);
  font-weight: 600;
  letter-spacing: clamp(1px, 0.3vw, 4px);
  line-height: 1.6;
  color: #E6BC72;
  animation: heroFadeUp 0.95s cubic-bezier(0.22, 0.7, 0.3, 1) 0.5s backwards;
}
/* 首屏金色高亮：渐变反光 + 呼吸光效（约 3.8s 一循环） */
.hero .text-gold {
  background: linear-gradient(110deg, #F6D79B 0%, #FFF0CE 22%, #D9A84E 48%, #C4881F 64%, #F2CB8A 100%);
  background-size: 230% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: goldBreathe 3.8s ease-in-out infinite, goldShift 6s ease-in-out infinite alternate;
  will-change: filter, background-position;
}
.hero-subtitle { font-size: clamp(15px, 2vw, 19px); color: var(--text-dim); margin-bottom: 44px; letter-spacing: 1px; }
.hero-actions { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }

/* 首屏轮播 */
.slider { display: grid; }
.slide {
  grid-area: 1 / 1;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity 0.7s ease, transform 0.7s ease, visibility 0.7s;
}
.slide.active { opacity: 1; visibility: visible; transform: none; }
.slide-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: #FFFFFF;
  background: linear-gradient(135deg, #1E5AC8, #3B82F6);
  padding: 4px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
  box-shadow: 0 6px 18px rgba(30, 90, 200, 0.25);
}
.slider-ctrl {
  display: flex; align-items: center; justify-content: center;
  gap: 18px; margin: 38px 0 52px;
}
.slider-arrow {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid rgba(30, 90, 200, 0.3);
  background: #FFFFFF; color: var(--blue-1);
  cursor: pointer; padding: 0;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.25s ease;
}
.slider-arrow:hover { background: var(--blue-1); color: #fff; border-color: var(--blue-1); }
.slider-arrow svg { width: 16px; height: 16px; }
.slider-dots { display: flex; gap: 9px; align-items: center; }
.slider-dot {
  width: 26px; height: 4px; border-radius: 2px;
  background: rgba(30, 90, 200, 0.22);
  border: none; padding: 0; cursor: pointer;
  transition: all 0.3s ease;
}
.slider-dot.active { width: 42px; background: linear-gradient(90deg, #1E5AC8, #3B82F6); }
.hero-stats { display: flex; align-items: center; justify-content: center; gap: 34px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat strong { font-size: 22px; color: var(--blue-1); letter-spacing: 2px; }
.stat span { font-size: 13px; color: var(--text-dim); }
.stat-divider { width: 1px; height: 40px; background: var(--line); }
.scroll-hint {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  font-size: 12px; color: rgba(255, 255, 255, 0.55); letter-spacing: 2px;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.scroll-hint span {
  width: 1px; height: 30px;
  background: linear-gradient(180deg, rgba(217, 168, 78, 0.9), transparent);
  animation: drop 1.8s infinite;
}
@keyframes drop { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ============ 通用 Section ============ */
.section { padding: 132px 0; position: relative; }
.section-alt { background: linear-gradient(180deg, var(--blue-bg), var(--white)); }
.section-head { text-align: center; margin-bottom: 72px; }
.section-eyebrow { font-size: 12px; letter-spacing: 5px; color: var(--blue-2); font-weight: 600; margin-bottom: 12px; }
.section-title { font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: 3px; color: var(--blue-deep); }
.section-line {
  width: 64px; height: 3px; margin: 20px auto;
  background: linear-gradient(90deg, var(--blue-1), transparent);
  border-radius: 2px;
}
.section-desc { color: var(--text-dim); font-size: 15.5px; line-height: 1.9; }

/* ============ 核心业务卡片 ============ */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid rgba(30, 90, 200, 0.06);
  border-radius: 20px;
  padding: 44px 32px 34px;
  transition: transform 0.4s cubic-bezier(0.22, 0.7, 0.3, 1), box-shadow 0.4s ease, border-color 0.4s ease;
  box-shadow: 0 2px 6px rgba(30, 74, 158, 0.04), 0 16px 38px -20px rgba(24, 66, 148, 0.24);
}
.card:hover {
  transform: translateY(-8px);
  border-color: rgba(196, 136, 31, 0.22);
  box-shadow: 0 4px 10px rgba(30, 74, 158, 0.05), 0 34px 66px -26px rgba(20, 58, 132, 0.34);
}
.card-clickable { cursor: pointer; }
/* 图标：浅蓝圆角底块 + 深蓝图标 */
.card-icon {
  width: 62px; height: 62px;
  margin-bottom: 22px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, rgba(30, 90, 200, 0.05), rgba(30, 90, 200, 0.015));
  border: 1px solid rgba(26, 54, 93, 0.16);
  transition: border-color 0.35s ease, background 0.35s ease;
}
.card-icon svg { width: 32px; height: 32px; }
.card:hover .card-icon {
  border-color: rgba(196, 136, 31, 0.45);
  background: linear-gradient(160deg, rgba(196, 136, 31, 0.06), rgba(196, 136, 31, 0.015));
}
.card h3 { font-size: 20px; margin: 0; letter-spacing: 1px; color: var(--blue-deep); }
.card p { font-size: 14px; color: var(--text-dim); line-height: 1.6; }
.card > p:not(.card-tag) { margin-top: 12px; }
.card-link {
  display: inline-flex; align-items: center; gap: 7px;
  margin-top: auto;
  padding-top: 24px;
  font-size: 14px; font-weight: 800; letter-spacing: 0.5px;
  color: var(--blue-1); text-decoration: none;
  transition: color 0.3s ease;
}
.card-link span { transition: transform 0.25s ease; }
.card:hover .card-link { color: var(--gold, #C4881F); }
.card-link:hover span { transform: translateX(4px); }

.split-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.arrow-up { color: #1E9E6A; }

/* ============ 会员权益 ============ */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.membership-grid { max-width: 880px; margin: 0 auto; }
.member-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 44px 38px;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
  display: flex; flex-direction: column; gap: 26px;
  box-shadow: 0 8px 28px rgba(30, 90, 200, 0.07);
}
.member-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.member-card-core {
  border-color: rgba(30, 90, 200, 0.55);
  background: linear-gradient(170deg, rgba(59, 130, 246, 0.08), rgba(255, 255, 255, 1)), var(--white);
}
.member-ribbon {
  position: absolute; top: -1px; right: 28px;
  background: linear-gradient(135deg, #1E5AC8, #3B82F6);
  color: #FFFFFF; font-size: 12px; font-weight: 700;
  padding: 4px 16px; border-radius: 0 0 8px 8px; letter-spacing: 2px;
}
.member-head h3 { font-size: 24px; letter-spacing: 3px; color: var(--blue-deep); }
.member-pos { font-size: 13px; color: var(--text-dim); margin-top: 8px; letter-spacing: 1px; }
.member-list { list-style: none; text-align: left; margin: 0 auto; }
.member-list li {
  padding: 11px 0 11px 30px;
  border-bottom: 1px dashed rgba(91, 114, 144, 0.22);
  font-size: 15px;
  position: relative;
  color: var(--text);
}
.member-list li:last-child { border-bottom: none; }
.member-list li::before {
  content: "◆";
  position: absolute; left: 4px;
  color: var(--blue-1);
  font-size: 11px;
  top: 15px;
}

/* ============ 千达生态（实景图 + 图下极简标注） ============ */
.eco-sec {
  padding-top: 88px;
  padding-bottom: 140px;
  background: linear-gradient(180deg, #EEF3FA 0%, #F7FAFE 22%, #FFFFFF 46%);
}
.eco-wall {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px 26px;
}
.eco-item {
  position: relative;
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  background: var(--white);
  box-shadow: 0 2px 4px rgba(11, 43, 107, 0.03), 0 16px 34px -22px rgba(11, 43, 107, 0.28);
  transition: box-shadow 0.4s ease, transform 0.4s ease;
}
.eco-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 10px rgba(11, 43, 107, 0.05), 0 26px 50px -24px rgba(11, 43, 107, 0.34);
}
.eco-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  filter: saturate(0.92) contrast(1.02) brightness(0.98);
  transition: transform 0.7s ease, filter 0.5s ease;
}
.eco-item:hover img { transform: scale(1.04); filter: saturate(1) contrast(1.02) brightness(1); }
.eco-item figcaption {
  position: static;
  padding: 14px 16px 16px;
  background: var(--white);
  color: var(--blue-deep);
  font-size: 13px;
  letter-spacing: 0.6px;
  font-weight: 600;
  text-align: center;
  border-top: 1px solid rgba(11, 43, 107, 0.05);
}
/* 生态墙底部转化按钮 */
.eco-cta {
  display: flex; justify-content: center; align-items: center;
  gap: 20px; flex-wrap: wrap;
  margin-top: 60px;
}
.eco-cta .btn { padding: 15px 34px; font-size: 15.5px; font-weight: 700; letter-spacing: 1px; }
.eco-cta .btn span { display: inline-block; margin-left: 4px; transition: transform 0.25s ease; }
.eco-cta .btn:hover span { transform: translateX(4px); }
.eco-btn-gold {
  background: linear-gradient(135deg, #D9A84E 0%, #C4881F 100%);
  color: #fff;
  box-shadow: 0 14px 30px -12px rgba(196, 136, 31, 0.55);
}
.eco-btn-gold:hover { box-shadow: 0 20px 40px -14px rgba(196, 136, 31, 0.6); }
.eco-btn-blue {
  background: linear-gradient(135deg, #1E5AC8, #3B82F6);
  color: #fff;
  box-shadow: 0 14px 30px -12px rgba(30, 90, 200, 0.55);
}
.eco-btn-blue:hover { box-shadow: 0 20px 40px -14px rgba(30, 90, 200, 0.6); }
.eco-more { text-align: center; margin-top: 30px; }
.eco-more a {
  font-size: 13px; color: var(--text-dim); text-decoration: none;
  letter-spacing: 0.5px;
  border-bottom: 1px solid rgba(91, 114, 144, 0.3);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.eco-more a:hover { color: var(--blue-1); border-color: var(--blue-1); }

/* ============ 生态合作伙伴 Logo 墙 ============ */
.partners {
  margin-top: 120px;
  text-align: center;
}
.partners .section-desc {
  max-width: 560px;
  margin: 0 auto;
}
.partners-grid {
  margin: 48px auto 0;
  max-width: 1080px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}
.partner-cell {
  margin: 0;
  background: #fff;
  border: 1px solid rgba(11, 43, 107, 0.08);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.partner-cell img {
  display: block;
  width: 100%;
  height: auto;
}
.partner-cell:hover {
  transform: translateY(-3px);
  border-color: rgba(196, 136, 31, 0.35);
  box-shadow: 0 14px 30px -18px rgba(11, 43, 107, 0.35);
}
@media (max-width: 720px) {
  .partners-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
}
@media (max-width: 480px) {
  .partners-grid { grid-template-columns: repeat(2, 1fr); gap: 9px; }
}

/* ============ 联系我们 ============ */
.contact { background: linear-gradient(180deg, var(--white), var(--blue-bg)); }
.contact-grid {
  max-width: 880px; margin: 0 auto;
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 52px;
  align-items: center;
}
.contact-item { margin-bottom: 30px; }
.contact-item h4 {
  font-size: 18px; color: var(--blue-deep); letter-spacing: 1px;
  display: flex; align-items: center; gap: 10px;
}
.contact-item h4::before { content: "—"; color: var(--blue-1); }
.contact-item p { color: var(--text-dim); font-size: 14px; margin-top: 4px; }
.contact-info .btn { margin-top: 6px; }
.qr-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
  max-width: 760px; margin: 0 auto;
}
.qr-grid-single { grid-template-columns: 1fr; max-width: 260px; }
.qr-box { text-align: center; }
.qr-placeholder {
  width: 200px; height: 200px;
  margin: 0 auto 16px;
  background: var(--white);
  border: 1px solid rgba(30, 90, 200, 0.3);
  border-radius: 14px;
  padding: 10px;
  box-shadow: 0 8px 28px rgba(30, 90, 200, 0.08);
}
.qr-placeholder img { width: 100%; height: 100%; object-fit: contain; border-radius: 8px; }
.qr-name { font-size: 18px; color: var(--blue-deep); letter-spacing: 1px; }
.qr-role {
  font-size: 12px; font-weight: 500; color: var(--blue-1);
  border: 1px solid rgba(30, 90, 200, 0.4);
  padding: 1px 10px; border-radius: 999px; margin-left: 6px;
  vertical-align: 2px; letter-spacing: 2px;
}
.qr-slogan {
  font-size: 15px; color: var(--blue-1); margin: 6px 0 8px;
  font-family: "Kaiti SC", "STKaiti", "KaiTi", serif;
}
.qr-tip { font-size: 12px; color: var(--text-dim); letter-spacing: 1px; }

/* ============ Footer ============ */
.footer {
  background: linear-gradient(135deg, #0B2B6B, #1E5AC8);
  padding: 26px 0;
}
.footer-inner { text-align: center; }
.footer p { font-size: 13px; color: rgba(255, 255, 255, 0.75); }

/* ============ 弹窗表单 ============ */
.modal-mask {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(11, 43, 107, 0.4);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0; visibility: hidden;
  transition: all 0.3s ease;
}
.modal-mask.active { opacity: 1; visibility: visible; }
.modal {
  position: relative;
  width: 100%; max-width: 460px;
  max-height: 92vh; overflow-y: auto;
  background: var(--white);
  border: 1px solid rgba(30, 90, 200, 0.3);
  border-radius: 18px;
  padding: 40px 36px;
  transform: translateY(24px) scale(0.97);
  transition: transform 0.3s ease;
  box-shadow: var(--shadow);
}
.modal-mask.active .modal { transform: translateY(0) scale(1); }
.modal h3 { font-size: 20px; letter-spacing: 0.5px; color: var(--blue-deep); }
.modal-sub { font-size: 13px; color: var(--text-dim); margin: 8px 0 26px; }
.modal-close {
  position: absolute; top: 14px; right: 18px;
  background: none; border: none;
  color: var(--text-dim); font-size: 28px; cursor: pointer;
  line-height: 1; padding: 6px;
  transition: color 0.2s;
}
.modal-close:hover { color: var(--blue-1); }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; margin-bottom: 7px; color: var(--text); letter-spacing: 1px; }
.field label i { color: #E06C6C; font-style: normal; }
.field input {
  width: 100%;
  background: var(--blue-bg);
  border: 1px solid rgba(30, 90, 200, 0.25);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}
.field input:focus { border-color: var(--blue-1); background: var(--white); }
.field input::placeholder { color: #9FB3CC; }
.form-msg { font-size: 13px; min-height: 20px; margin-bottom: 10px; }
.form-msg.error { color: #E06C6C; }
.form-success { text-align: center; padding: 30px 0 10px; }
.success-icon {
  width: 64px; height: 64px; margin: 0 auto 20px;
  border-radius: 50%;
  background: rgba(30, 90, 200, 0.1);
  border: 1px solid var(--blue-1);
  color: var(--blue-1);
  font-size: 32px; line-height: 62px;
}
.form-success h4 { font-size: 20px; letter-spacing: 2px; margin-bottom: 10px; color: var(--blue-deep); }
.form-success p { font-size: 14px; color: var(--text-dim); margin-bottom: 26px; }

/* ============ 会员权益（二级页） ============ */
.page-hero {
  padding: 170px 0 60px;
  text-align: center;
  background:
    radial-gradient(ellipse 70% 60% at 50% 0%, rgba(59, 130, 246, 0.16), transparent),
    linear-gradient(180deg, #EAF2FE 0%, #FFFFFF 100%);
  border-bottom: 1px solid rgba(30, 90, 200, 0.08);
}
.breadcrumb { font-size: 13px; color: var(--text-dim); margin-bottom: 18px; }
.breadcrumb a { color: var(--blue-1); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.tier-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
  max-width: 900px; margin: 0 auto;
}
.tier-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px 34px;
  box-shadow: 0 8px 28px rgba(30, 90, 200, 0.07);
  position: relative;
  display: flex; flex-direction: column; gap: 20px;
}
.tier-card-core {
  border-color: rgba(30, 90, 200, 0.5);
  background: linear-gradient(170deg, rgba(59, 130, 246, 0.08), rgba(255, 255, 255, 1)), var(--white);
}
.tier-card h3 { font-size: 24px; letter-spacing: 3px; color: var(--blue-deep); text-align: center; }
.tier-pos { font-size: 13px; color: var(--text-dim); text-align: center; letter-spacing: 1px; }
.tier-list { list-style: none; display: flex; flex-direction: column; gap: 2px; }
.tier-list li {
  padding: 10px 0 10px 28px;
  position: relative;
  font-size: 15px;
  border-bottom: 1px dashed rgba(91, 114, 144, 0.2);
}
.tier-list li:last-child { border-bottom: none; }
.tier-list li::before {
  content: "◆"; position: absolute; left: 4px; top: 13px;
  font-size: 11px; color: var(--blue-1);
}
.tier-note {
  font-size: 13px; color: var(--text-dim); line-height: 1.8;
  background: var(--blue-soft);
  border-left: 3px solid var(--blue-1);
  border-radius: 8px;
  padding: 12px 16px;
}
.compare-wrap { max-width: 900px; margin: 64px auto 0; overflow-x: auto; }
table.compare {
  width: 100%; min-width: 560px;
  border-collapse: separate; border-spacing: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  font-size: 14px;
}
.compare th, .compare td {
  padding: 15px 20px; text-align: left;
  border-bottom: 1px solid rgba(30, 90, 200, 0.1);
}
.compare thead th {
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-weight: 700; letter-spacing: 1px;
}
.compare tbody tr:last-child td { border-bottom: none; }
.compare tbody td:first-child { font-weight: 600; color: var(--text); width: 32%; }
.compare td.core { color: var(--blue-1); font-weight: 600; background: rgba(30, 90, 200, 0.03); }
.membership-cta { text-align: center; margin-top: 60px; }
.membership-cta p { color: var(--text-dim); font-size: 14px; margin-bottom: 20px; }

/* ============ 动效 ============ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ============ 首屏补充：副标题 / 标签 / 数据看板 / 痛点结论 ============ */
.hero-title-solo { margin-bottom: 14px; }
.hero-sub {
  font-size: clamp(13px, 1.5vw, 16.5px);
  color: var(--text-dim);
  line-height: 2;
  letter-spacing: 0.5px;
}
.hero-tags {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 12px;
  margin: 40px 0 0;
}
.hero-tags span {
  font-size: 12.5px; font-weight: 600; letter-spacing: 1.5px;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  padding: 8px 20px;
  backdrop-filter: blur(10px) saturate(1.2);
  -webkit-backdrop-filter: blur(10px) saturate(1.2);
  box-shadow: 0 6px 20px -12px rgba(0, 0, 0, 0.6) inset, 0 1px 0 rgba(255, 255, 255, 0.08) inset;
  animation: heroFadeUp 0.6s cubic-bezier(0.22, 0.7, 0.3, 1) backwards;
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  cursor: default;
}
.hero-tags span:nth-child(1) { animation-delay: 0.66s; }
.hero-tags span:nth-child(2) { animation-delay: 0.78s; }
.hero-tags span:nth-child(3) { animation-delay: 0.9s; }
.hero-tags span:hover {
  background: rgba(120, 168, 255, 0.26);
  border-color: rgba(176, 208, 255, 0.6);
  transform: scale(1.05);
  box-shadow: 0 10px 26px -12px rgba(30, 90, 200, 0.9), 0 1px 0 rgba(255, 255, 255, 0.16) inset;
}
.card-tag {
  display: inline-block;
  align-self: flex-start;
  margin: 10px 0 0;
  padding: 3px 10px;
  font-size: 11px; font-weight: 800; letter-spacing: 1.2px;
  color: #8A5A12;
  background: linear-gradient(135deg, rgba(217, 168, 78, 0.18), rgba(196, 136, 31, 0.07));
  border: 1px solid rgba(196, 136, 31, 0.22);
  border-radius: 6px;
  white-space: nowrap;
  line-height: 1.6;
}

/* 数据看板：5 项静态对齐 */
.metrics {
  position: relative;
  background:
    linear-gradient(90deg, #071C40 0%, #0E3273 50%, #071C40 100%);
  border-top: 1px solid rgba(217, 168, 78, 0.22);
  border-bottom: 1px solid rgba(217, 168, 78, 0.22);
  padding: 64px 0 60px;
  overflow: hidden;
}
.metrics::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse 60% 100% at 50% 50%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 60% 100% at 50% 50%, #000 20%, transparent 78%);
  pointer-events: none;
}
.metrics-inner {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: center;
}
.metric {
  min-width: 0;
  padding: 0 14px;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  border-left: 1px solid rgba(255, 255, 255, 0.13);
}
.metric:first-child { border-left: 0; }
.metric b {
  font-size: clamp(34px, 4.2vw, 60px);
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1;
  background: linear-gradient(135deg, #F6D79B, #DFAE5A 55%, #C4881F);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  white-space: nowrap;
}
.metric > span { font-size: 12.5px; letter-spacing: 1.6px; color: rgba(255, 255, 255, 0.6); white-space: nowrap; }
.metric b span { font-size: inherit; color: inherit; -webkit-text-fill-color: currentColor; }

/* 联系我们：三列二维码 + 备注 */
.qr-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.qr-placeholder { width: 100%; max-width: 186px; height: auto; aspect-ratio: 1 / 1; padding: 14px; }
.qr-placeholder-mp { box-shadow: 0 10px 30px rgba(30, 90, 200, 0.18); border-color: rgba(30, 90, 200, 0.45); }
.qr-note {
  margin-top: 8px;
  font-size: 11.5px;
  line-height: 1.65;
  color: var(--text-dim);
  opacity: 0.85;
}
/* 二维码上方统一标签：微信扫码 / 小程序码 */
.qr-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 14px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--blue-1);
  background: rgba(30, 90, 200, 0.06);
  border: 1px solid rgba(30, 90, 200, 0.16);
}
.qr-badge svg { width: 15px; height: 15px; display: block; }
.qr-badge-mp {
  color: #8A5A12;
  background: rgba(196, 136, 31, 0.09);
  border-color: rgba(196, 136, 31, 0.22);
}
.qr-grid .qr-tip { font-size: 12.5px; color: #7C93AF; letter-spacing: 0.5px; }

/* 首页深色首屏：导航反白 */
.page-home .navbar:not(.scrolled) .nav-links a { color: rgba(255, 255, 255, 0.8); }
.page-home .navbar:not(.scrolled) .nav-links a:hover,
.page-home .navbar:not(.scrolled) .nav-links a.active { color: #fff; }
.page-home .navbar:not(.scrolled) .nav-links a.active::after {
  background: linear-gradient(90deg, #E0B25F, #F6D79B);
}
.page-home .navbar:not(.scrolled) .nav-links .btn-small {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.page-home .navbar:not(.scrolled) .nav-links .btn-small:hover {
  background: #fff;
  color: var(--blue-deep);
  border-color: #fff;
}
.page-home .navbar:not(.scrolled) .nav-toggle span { background: #fff; }

/* 小程序弹窗 */
.modal-mp { max-width: 420px; text-align: center; }
.mp-qr {
  width: 200px; height: 200px;
  margin: 4px auto 16px;
  padding: 12px;
  background: #fff;
  border: 1px solid rgba(30, 90, 200, 0.25);
  border-radius: 16px;
}
.mp-qr svg { width: 100%; height: 100%; display: block; }
.mp-tip { font-size: 13px; color: var(--text-dim); line-height: 1.7; }
.mp-note { margin-top: 8px; font-size: 11px; color: var(--text-dim); opacity: 0.7; }

/* 尊重系统「减少动态效果」设置 */
@media (prefers-reduced-motion: reduce) {
  .hero-globe,
  .hero-eyebrow,
  .hero-brand,
  .hero-brand-line,
  .hero-brand-text,
  .hero-title-solo .hero-line-1,
  .hero-title-solo .hero-line-2,
  .hero-tags span,
  .hero .text-gold { animation: none !important; }
}

/* ============ 响应式 ============ */
@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .split-2, .grid-2, .contact-grid { grid-template-columns: 1fr; }
  .eco-wall { grid-template-columns: repeat(2, 1fr); gap: 26px 18px; }
  .tier-grid { grid-template-columns: 1fr; max-width: 560px; }
  .member-list { margin: 0; }
  .qr-grid { max-width: 560px; }
}

@media (max-width: 720px) {
  .section { padding: 80px 0; }
  .section-head { margin-bottom: 44px; }
  .nav-links {
    position: fixed; top: 0; right: -280px;
    width: 260px; height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    flex-direction: column;
    align-items: flex-start;
    padding: 90px 32px 40px;
    gap: 26px;
    transition: right 0.3s ease;
    border-left: 1px solid var(--line);
    box-shadow: -12px 0 40px rgba(11, 43, 107, 0.15);
  }
  .nav-links.open { right: 0; }
  .nav-toggle { display: block; z-index: 110; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero { padding: 104px 0 96px; min-height: 92vh; }
  .hero-globe { right: -38%; top: 52%; width: 620px; opacity: 0.2; }
  .hero-brand { gap: 10px; margin-bottom: 14px; }
  .hero-brand-line { width: 30px; animation: none; }
  .hero-brand-text { font-size: 14px; letter-spacing: 0.2em; padding-left: 0.2em; }
  .hero-eyebrow { font-size: 10px; letter-spacing: 3.4px; margin-bottom: 22px; text-indent: 3.4px; }
  .hero-title-solo .hero-line-1 { font-size: clamp(26px, 7.6vw, 34px); line-height: 1.42; letter-spacing: 0.5px; }
  .hero-title-solo .hero-line-2 { margin-top: 18px; font-size: 14px; letter-spacing: 2px; }
  .hero-tags { margin-top: 30px; gap: 8px; }
  .hero-tags span { font-size: 11.5px; padding: 7px 15px; letter-spacing: 0.8px; }
  .metrics { padding: 44px 0 40px; }
  .metrics-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 34px; }
  .metric { border-left: 0; padding: 0 6px; gap: 8px; }
  .metric:nth-child(5) { grid-column: span 2; }
  .metric b { font-size: 38px; }
  .metric > span { font-size: 11.5px; letter-spacing: 1px; }
  .slider-ctrl { margin: 30px 0 40px; }
  .slide-badge { font-size: 11px; padding: 3px 12px; letter-spacing: 1px; }
  .hero-stats { gap: 20px; }
  .stat-divider { display: none; }
  .stat strong { font-size: 18px; }
  .grid-4 { grid-template-columns: 1fr; }
  .modal { padding: 34px 24px; }
  .qr-grid { grid-template-columns: 1fr; gap: 46px; }
  .eco-wall { grid-template-columns: 1fr; gap: 26px; max-width: 460px; margin: 0 auto; }
  .qr-grid { max-width: 320px; }
  .hero-tags { margin: 18px 0 24px; gap: 8px; }
  .hero-sub { font-size: 13px; }
  .brand-logo { height: 26px; }
  .brand { padding: 4px 10px; }
  .navbar.scrolled .brand-logo { height: 24px; }
}

@media (max-width: 480px) {
  .hero-title { letter-spacing: 1px; }
  .hero-title-solo { letter-spacing: 0.5px; line-height: 1.2; }
  .hero-title-solo .hero-line-1 { font-size: 25px; line-height: 1.46; }
  .hero-title-solo .hero-line-2 { font-size: 13px; letter-spacing: 1.4px; }
  .btn-large { padding: 14px 26px; font-size: 15px; letter-spacing: 0; }
}