/* ==================== 全局变量 ==================== */
:root {
  --blue-900: #0a1b3d;
  --blue-800: #0d2b5c;
  --blue-700: #103a8c;
  --blue-600: #15539e;
  --blue-500: #1a6cbf;
  --blue-400: #2d86e0;
  --blue-300: #5aa3eb;
  --blue-200: #9cc8f5;
  --blue-100: #d6e8fb;
  --blue-50: #eef6fd;
  --gold: #c9a84c;
  --gold-light: #e3c97a;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --shadow-sm: 0 2px 8px rgba(10, 27, 61, 0.06);
  --shadow-md: 0 4px 20px rgba(10, 27, 61, 0.1);
  --shadow-lg: 0 10px 40px rgba(10, 27, 61, 0.15);
  --shadow-xl: 0 20px 60px rgba(10, 27, 61, 0.2);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ==================== Reset ==================== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); color: var(--gray-800); background: var(--white); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { border: none; cursor: pointer; font-family: inherit; background: none; }
input, select, textarea { font-family: inherit; outline: none; }

/* ==================== 通用容器 ==================== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; position: relative; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag { display: inline-block; font-size: 14px; font-weight: 500; color: var(--blue-500); letter-spacing: 2px; margin-bottom: 16px; }
.section-title { font-size: clamp(28px, 4vw, 42px); font-weight: 700; color: var(--blue-900); margin-bottom: 16px; }
.section-desc { font-size: 16px; color: var(--gray-500); max-width: 700px; margin: 0 auto; line-height: 1.8; }
.highlight { color: var(--gold); font-weight: 700; }

/* ==================== 按钮 ==================== */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 36px; font-size: 15px; font-weight: 500; border-radius: 50px; transition: all var(--transition); cursor: pointer; border: 2px solid transparent; }
.btn-primary { background: linear-gradient(135deg, var(--blue-600), var(--blue-400)); color: var(--white); box-shadow: 0 4px 20px rgba(26, 108, 191, 0.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(26, 108, 191, 0.45); }
.btn-outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.4); }
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }
.btn-full { width: 100%; margin-top: 8px; }

/* ==================== 导航栏 ==================== */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; height: 72px; background: rgba(10, 27, 61, 0.95); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,0.08); transition: all var(--transition); }
.navbar.scrolled { height: 64px; background: rgba(10, 27, 61, 0.98); box-shadow: 0 4px 20px rgba(0,0,0,0.15); }
.nav-container { max-width: 1280px; margin: 0 auto; padding: 0 24px; height: 100%; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 38px; height: 38px; background: linear-gradient(135deg, var(--gold), var(--gold-light)); color: var(--blue-900); font-size: 20px; font-weight: 900; border-radius: 8px; display: flex; align-items: center; justify-content: center; }
.logo-text { font-size: 20px; font-weight: 700; color: var(--white); letter-spacing: 1px; }
.nav-menu { display: flex; align-items: center; gap: 36px; }
.nav-link { font-size: 15px; color: rgba(255,255,255,0.75); transition: color var(--transition); position: relative; }
.nav-link::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--gold); transition: width var(--transition); }
.nav-link:hover { color: var(--white); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-cta { background: linear-gradient(135deg, var(--gold), var(--gold-light)); color: var(--blue-900) !important; padding: 8px 24px; border-radius: 50px; font-weight: 600; }
.nav-cta::after { display: none; }
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(201, 168, 76, 0.4); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.search-btn { width: 40px; height: 40px; border-radius: 50%; color: rgba(255,255,255,0.75); display: flex; align-items: center; justify-content: center; transition: all var(--transition); }
.search-btn:hover { background: rgba(255,255,255,0.1); color: var(--white); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--white); border-radius: 2px; transition: all var(--transition); }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ==================== 搜索弹窗 ==================== */
.search-modal { position: fixed; top: 0; left: 0; right: 0; bottom: 0; z-index: 2000; background: rgba(10, 27, 61, 0.85); backdrop-filter: blur(8px); display: none; align-items: flex-start; justify-content: center; padding-top: 120px; }
.search-modal.active { display: flex; }
.search-modal-content { width: 100%; max-width: 640px; background: var(--white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-xl); max-height: 60vh; display: flex; flex-direction: column; }
.search-modal-header { display: flex; align-items: center; padding: 20px 24px; border-bottom: 1px solid var(--gray-200); }
#searchInput { flex: 1; border: none; font-size: 18px; color: var(--gray-800); }
#searchInput::placeholder { color: var(--gray-400); }
.search-close { font-size: 28px; color: var(--gray-400); width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border-radius: 50%; transition: all var(--transition); }
.search-close:hover { background: var(--gray-100); color: var(--gray-700); }
.search-results { overflow-y: auto; padding: 12px; }
.search-result-item { padding: 14px 16px; border-radius: var(--radius); cursor: pointer; transition: background var(--transition); }
.search-result-item:hover { background: var(--blue-50); }
.search-result-item h4 { font-size: 15px; color: var(--blue-800); margin-bottom: 4px; }
.search-result-item p { font-size: 13px; color: var(--gray-500); }
.search-no-result { padding: 40px; text-align: center; color: var(--gray-400); font-size: 15px; }

/* ==================== Hero ==================== */
.hero { position: relative; height: 100vh; min-height: 700px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 40%, var(--blue-500) 100%); }
.hero-carousel { position: absolute; inset: 0; z-index: 0; }
.hero-slide { position: absolute; inset: 0; background-size: cover; background-position: center; background-repeat: no-repeat; opacity: 0; transition: opacity 1.2s ease-in-out; transform: scale(1.05); }
.hero-slide.active { opacity: 1; transform: scale(1); transition: opacity 1.2s ease-in-out, transform 8s ease-out; }
.hero-overlay { position: absolute; inset: 0; z-index: 1; background: linear-gradient(135deg, rgba(10, 27, 61, 0.85) 0%, rgba(13, 43, 92, 0.75) 40%, rgba(26, 108, 191, 0.6) 100%); }
.carousel-prev, .carousel-next { position: absolute; top: 50%; transform: translateY(-50%); width: 56px; height: 56px; border-radius: 50%; background: rgba(255,255,255,0.1); backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,0.2); color: var(--white); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all var(--transition); z-index: 3; }
.carousel-prev:hover, .carousel-next:hover { background: rgba(255,255,255,0.2); border-color: rgba(201, 168, 76, 0.5); }
.carousel-prev { left: 32px; }
.carousel-next { right: 32px; }
.carousel-dots { position: absolute; bottom: 90px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 3; }
.carousel-dot { width: 32px; height: 4px; border-radius: 2px; background: rgba(255,255,255,0.3); cursor: pointer; transition: all var(--transition); }
.carousel-dot.active { background: var(--gold-light); width: 48px; }
.hero::before { content: ''; position: absolute; inset: 0; background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); opacity: 0.5; }
.hero-content { position: relative; z-index: 2; text-align: center; color: var(--white); padding: 0 24px; max-width: 900px; }
.hero-tag { display: inline-block; font-size: 14px; letter-spacing: 4px; color: var(--gold-light); margin-bottom: 24px; padding: 6px 20px; border: 1px solid rgba(201, 168, 76, 0.4); border-radius: 50px; }
.hero-title { font-size: clamp(48px, 8vw, 96px); font-weight: 900; letter-spacing: 8px; margin-bottom: 24px; text-shadow: 0 4px 30px rgba(0,0,0,0.3); background: linear-gradient(180deg, #fff 0%, #d6e8fb 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: clamp(18px, 2.5vw, 24px); color: rgba(255,255,255,0.85); margin-bottom: 48px; font-weight: 300; }
.hero-stats { display: flex; justify-content: center; gap: 48px; margin-bottom: 48px; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-number { font-size: clamp(36px, 5vw, 52px); font-weight: 900; color: var(--gold-light); line-height: 1; margin-bottom: 8px; }
.stat-label { font-size: 14px; color: rgba(255,255,255,0.6); letter-spacing: 1px; }
.hero-actions { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
.hero-scroll { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); text-align: center; color: rgba(255,255,255,0.5); font-size: 12px; letter-spacing: 2px; z-index: 2; }
.scroll-line { width: 1px; height: 40px; background: rgba(255,255,255,0.3); margin: 8px auto 0; position: relative; overflow: hidden; }
.scroll-line::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 50%; background: var(--gold-light); animation: scrollDown 2s infinite; }
@keyframes scrollDown { 0% { top: -50%; } 100% { top: 100%; } }

/* ==================== 集团概览 ==================== */
.section-about { background: var(--gray-50); }
.about-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.about-card { background: var(--white); border-radius: var(--radius-lg); padding: 36px 28px; text-align: center; box-shadow: var(--shadow-sm); transition: all var(--transition); border-top: 3px solid transparent; }
.about-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-top-color: var(--blue-400); }
.about-card-icon { width: 72px; height: 72px; margin: 0 auto 20px; background: var(--blue-50); color: var(--blue-500); border-radius: 20px; display: flex; align-items: center; justify-content: center; transition: all var(--transition); }
.about-card:hover .about-card-icon { background: var(--blue-500); color: var(--white); transform: rotateY(360deg); }
.about-card h3 { font-size: 18px; font-weight: 700; color: var(--blue-900); margin-bottom: 12px; }
.about-card p { font-size: 14px; color: var(--gray-500); line-height: 1.7; }

/* ==================== 四大板块 ==================== */
.section-business { background: var(--white); }
.business-tabs { display: flex; justify-content: center; gap: 12px; margin-bottom: 48px; flex-wrap: wrap; }
.biz-tab { padding: 12px 32px; font-size: 15px; font-weight: 500; color: var(--gray-500); border: 2px solid var(--gray-200); border-radius: 50px; transition: all var(--transition); }
.biz-tab:hover { border-color: var(--blue-300); color: var(--blue-600); }
.biz-tab.active { background: var(--blue-600); color: var(--white); border-color: var(--blue-600); box-shadow: 0 4px 16px rgba(26, 108, 191, 0.3); }
.biz-panel { display: none; animation: fadeInUp 0.5s ease; }
.biz-panel.active { display: block; }

/* 板块顶部图片 */
.biz-panel-image { position: relative; width: 100%; height: 360px; border-radius: 16px; overflow: hidden; margin-bottom: 36px; box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12); }
.biz-panel-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s ease; }
.biz-panel-image:hover img { transform: scale(1.05); }
.biz-panel-image::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 30%, rgba(8, 32, 84, 0.85) 100%); pointer-events: none; }
.biz-image-caption { position: absolute; left: 32px; bottom: 28px; right: 32px; z-index: 2; color: var(--white); }
.biz-image-tag { display: inline-block; padding: 4px 14px; background: var(--gold); color: var(--blue-900); font-size: 12px; font-weight: 700; letter-spacing: 1px; border-radius: 20px; margin-bottom: 10px; }
.biz-image-caption h4 { font-size: 24px; font-weight: 700; color: var(--white); margin: 0; text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4); }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.biz-panel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.biz-label { font-size: 13px; color: var(--gold); letter-spacing: 2px; margin-bottom: 12px; }
.biz-panel-content h3 { font-size: 32px; font-weight: 700; color: var(--blue-900); margin-bottom: 16px; }
.biz-desc { font-size: 15px; color: var(--gray-600); line-height: 1.9; margin-bottom: 24px; }
.biz-features { display: flex; flex-direction: column; gap: 14px; margin-bottom: 24px; }
.biz-feature { display: flex; align-items: flex-start; gap: 12px; font-size: 14px; color: var(--gray-700); }
.dot { width: 8px; height: 8px; background: var(--blue-400); border-radius: 50%; margin-top: 7px; flex-shrink: 0; }
.biz-note { padding: 16px 20px; background: var(--blue-50); border-left: 3px solid var(--blue-400); border-radius: 0 var(--radius) var(--radius) 0; font-size: 13px; color: var(--gray-600); line-height: 1.7; }
.biz-note-highlight { background: linear-gradient(135deg, rgba(201,168,76,0.1), rgba(201,168,76,0.05)); border-left-color: var(--gold); color: var(--gray-700); font-weight: 500; }
.biz-panel-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.biz-stat-box { background: var(--blue-50); border-radius: var(--radius); padding: 32px 24px; text-align: center; transition: all var(--transition); }
.biz-stat-box:hover { background: var(--blue-100); transform: translateY(-4px); }
.highlight-box { background: linear-gradient(135deg, var(--blue-600), var(--blue-400)); }
.highlight-box .biz-stat-num, .highlight-box .biz-stat-label { color: var(--white); }
.highlight-box .biz-stat-num span { color: rgba(255,255,255,0.7); }
.biz-stat-num { font-size: 40px; font-weight: 900; color: var(--blue-700); line-height: 1; margin-bottom: 8px; }
.biz-stat-num span { font-size: 18px; font-weight: 500; color: var(--blue-300); }
.biz-stat-label { font-size: 14px; color: var(--gray-500); }

/* ==================== 美容到家专题 ==================== */
.section-beauty-home { background: var(--blue-50); position: relative; }
.section-beauty-home::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 200px; background: linear-gradient(180deg, var(--white) 0%, var(--blue-50) 100%); }
.rpg-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 64px; position: relative; }
.rpg-card { background: var(--white); border-radius: var(--radius-lg); padding: 36px 28px; box-shadow: var(--shadow-md); transition: all var(--transition); display: flex; gap: 20px; align-items: flex-start; }
.rpg-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.rpg-letter { width: 64px; height: 64px; background: linear-gradient(135deg, var(--blue-600), var(--blue-400)); color: var(--white); font-size: 32px; font-weight: 900; border-radius: 16px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.rpg-content h4 { font-size: 17px; font-weight: 700; color: var(--blue-900); margin-bottom: 8px; }
.rpg-content p { font-size: 14px; color: var(--gray-500); line-height: 1.7; }

/* 生态闭环 */
.ecosystem { margin-bottom: 64px; }
.ecosystem-title { font-size: 24px; font-weight: 700; color: var(--blue-900); text-align: center; margin-bottom: 36px; }
.ecosystem-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.eco-item { background: var(--white); border-radius: var(--radius); padding: 28px 20px; text-align: center; box-shadow: var(--shadow-sm); transition: all var(--transition); position: relative; }
.eco-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.eco-num { font-size: 32px; font-weight: 900; color: var(--blue-100); line-height: 1; margin-bottom: 12px; }
.eco-name { font-size: 16px; font-weight: 700; color: var(--blue-900); margin-bottom: 4px; }
.eco-role { font-size: 12px; color: var(--gold); margin-bottom: 12px; font-weight: 500; }
.eco-item p { font-size: 13px; color: var(--gray-500); line-height: 1.6; }
.eco-item::after { content: ''; position: absolute; top: 50%; right: -10px; width: 20px; height: 2px; background: var(--blue-200); z-index: 1; }
.eco-item:last-child::after { display: none; }

/* 信任壁垒 */
.trust-barrier { background: var(--white); border-radius: var(--radius-lg); padding: 48px; box-shadow: var(--shadow-md); }
.trust-title { font-size: 22px; font-weight: 700; color: var(--blue-900); text-align: center; margin-bottom: 8px; }
.trust-subtitle { text-align: center; color: var(--gray-500); margin-bottom: 36px; font-size: 14px; }
.trust-items { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.trust-item { text-align: center; }
.trust-icon { width: 64px; height: 64px; margin: 0 auto 16px; background: var(--blue-50); color: var(--blue-500); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.trust-item h4 { font-size: 16px; font-weight: 700; color: var(--blue-900); margin-bottom: 8px; }
.trust-item p { font-size: 13px; color: var(--gray-500); }

/* ==================== 战略愿景 ==================== */
.section-strategy { background: var(--blue-900); color: var(--white); }
.section-strategy .section-title { color: var(--white); }
.section-strategy .section-tag { color: var(--gold-light); }
.section-strategy .section-desc { color: rgba(255,255,255,0.6); }

/* 飞轮 */
.strategy-flywheel { display: flex; justify-content: center; align-items: center; gap: 32px; margin-bottom: 80px; position: relative; flex-wrap: wrap; }
.flywheel-center { position: relative; z-index: 2; }
.flywheel-circle { width: 160px; height: 160px; background: linear-gradient(135deg, var(--gold), var(--gold-light)); border-radius: 50%; display: flex; align-items: center; justify-content: center; text-align: center; font-size: 20px; font-weight: 700; color: var(--blue-900); box-shadow: 0 0 60px rgba(201, 168, 76, 0.4); }
.flywheel-node { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-lg); padding: 28px; width: 260px; text-align: center; transition: all var(--transition); }
.flywheel-node:hover { background: rgba(255,255,255,0.1); border-color: rgba(201,168,76,0.3); transform: scale(1.03); }
.fn-icon { width: 44px; height: 44px; background: linear-gradient(135deg, var(--blue-500), var(--blue-300)); color: var(--white); font-size: 18px; font-weight: 700; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
.flywheel-node h4 { font-size: 18px; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.flywheel-node p { font-size: 13px; color: rgba(255,255,255,0.6); margin-bottom: 12px; }
.fn-formula { font-size: 12px; color: var(--gold-light); background: rgba(201,168,76,0.08); padding: 10px 14px; border-radius: 8px; line-height: 1.5; }

/* 时间线 */
.timeline-title { font-size: 24px; font-weight: 700; text-align: center; margin-bottom: 48px; }
.timeline-track { position: relative; display: flex; justify-content: space-between; padding: 0 20px; }
.timeline-track::before { content: ''; position: absolute; top: 8px; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--blue-500), var(--gold)); }
.timeline-item { flex: 1; text-align: center; position: relative; padding: 0 12px; }
.timeline-dot { width: 18px; height: 18px; background: var(--gold); border: 3px solid var(--blue-900); border-radius: 50%; margin: 0 auto 24px; position: relative; z-index: 2; box-shadow: 0 0 0 4px rgba(201,168,76,0.2); }
.timeline-content { padding: 20px 12px; }
.timeline-year { font-size: 16px; font-weight: 700; color: var(--gold-light); margin-bottom: 8px; }
.timeline-content h4 { font-size: 15px; font-weight: 600; color: var(--white); margin-bottom: 6px; }
.timeline-content p { font-size: 12px; color: rgba(255,255,255,0.5); line-height: 1.6; }

/* ==================== 招商加盟 ==================== */
.section-franchise { background: var(--gray-50); }
.franchise-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.franchise-info h3, .franchise-form-wrap h3 { font-size: 22px; font-weight: 700; color: var(--blue-900); margin-bottom: 24px; }
.advantage-list { display: flex; flex-direction: column; gap: 20px; }
.advantage-item { display: flex; gap: 20px; align-items: flex-start; background: var(--white); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); transition: all var(--transition); }
.advantage-item:hover { box-shadow: var(--shadow-md); transform: translateX(4px); }
.adv-num { font-size: 24px; font-weight: 900; color: var(--blue-100); line-height: 1; flex-shrink: 0; }
.adv-content h4 { font-size: 16px; font-weight: 600; color: var(--blue-900); margin-bottom: 6px; }
.adv-content p { font-size: 14px; color: var(--gray-500); line-height: 1.6; }

/* 表单 */
.franchise-form-wrap { background: var(--white); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-lg); }
.form-intro { color: var(--gray-500); font-size: 14px; margin-bottom: 28px; }
.franchise-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: flex; gap: 20px; }
.form-group { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 14px; font-weight: 500; color: var(--gray-700); }
.required { color: #e53e3e; }
.form-group input, .form-group select, .form-group textarea { padding: 12px 16px; border: 2px solid var(--gray-200); border-radius: var(--radius); font-size: 14px; color: var(--gray-800); transition: border-color var(--transition); background: var(--white); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--blue-400); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--gray-400); }
.form-group textarea { resize: vertical; }
.form-success { text-align: center; padding: 32px 16px; color: var(--blue-600); }
.form-success svg { margin: 0 auto 16px; }
.form-success h4 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.form-success p { font-size: 14px; color: var(--gray-500); }

/* ==================== 页脚 ==================== */
.footer { background: var(--blue-900); color: rgba(255,255,255,0.6); padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; margin-bottom: 48px; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-slogan { font-size: 16px; color: var(--gold-light); margin-bottom: 16px; }
.footer-desc { font-size: 14px; line-height: 1.7; }
.footer-col h4 { font-size: 15px; font-weight: 600; color: var(--white); margin-bottom: 16px; }
.footer-col a, .footer-col p { font-size: 14px; color: rgba(255,255,255,0.5); display: block; margin-bottom: 10px; transition: color var(--transition); }
.footer-col a:hover { color: var(--gold-light); }
.footer-phone { color: var(--gold-light) !important; font-size: 18px !important; font-weight: 700; letter-spacing: 1px; }
.footer-phone:hover { color: var(--gold) !important; }
.footer-copy { margin-top: 16px; font-size: 13px; }

/* ==================== 返回顶部 ==================== */
.back-to-top { position: fixed; bottom: 32px; right: 32px; width: 48px; height: 48px; background: var(--blue-600); color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden; transition: all var(--transition); z-index: 999; }
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--blue-500); transform: translateY(-4px); }

/* ==================== 动画类 ==================== */
.fade-in { opacity: 0; transform: translateY(30px); transition: all 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: repeat(2, 1fr); }
  .ecosystem-grid { grid-template-columns: repeat(3, 1fr); }
  .eco-item:nth-child(3)::after { display: none; }
  .biz-panel-grid { grid-template-columns: 1fr; }
  .biz-panel-image { height: 220px; margin-bottom: 24px; }
  .biz-image-caption { left: 20px; bottom: 18px; right: 20px; }
  .biz-image-caption h4 { font-size: 18px; }
  .biz-tab { padding: 10px 22px; font-size: 13px; }
  .flywheel-node { width: 220px; }
}
@media (max-width: 768px) {
  .nav-menu { position: fixed; top: 72px; left: 0; right: 0; background: var(--blue-900); flex-direction: column; padding: 24px; gap: 0; transform: translateY(-100%); opacity: 0; pointer-events: none; transition: all var(--transition); }
  .nav-menu.active { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-link { padding: 16px 0; width: 100%; border-bottom: 1px solid rgba(255,255,255,0.05); }
  .nav-cta { margin-top: 16px; text-align: center; }
  .nav-toggle { display: flex; }
  .section { padding: 64px 0; }
  .hero-stats { gap: 24px; }
  .about-grid, .biz-panel-stats, .rpg-grid, .trust-items, .ecosystem-grid { grid-template-columns: 1fr; }
  .franchise-grid { grid-template-columns: 1fr; }
  .form-row { flex-direction: column; gap: 0; }
  .timeline-track { flex-direction: column; gap: 24px; }
  .timeline-track::before { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .strategy-flywheel { gap: 20px; }
  .flywheel-circle { width: 120px; height: 120px; font-size: 16px; }
  .flywheel-node { width: 100%; }
  .carousel-prev, .carousel-next { width: 40px; height: 40px; }
  .carousel-prev { left: 12px; }
  .carousel-next { right: 12px; }
  .carousel-dots { bottom: 70px; }
}
