/* roulang page: index */
:root {
  --c-primary: #5A8BB8;
  --c-primary-dark: #4A7BA8;
  --c-primary-light: #E9EFF5;
  --c-mist: #D7E3EE;
  --c-warm: #F7F8FA;
  --c-accent: #D97A2B;
  --c-text: #263646;
  --c-text-secondary: #5B6B7C;
  --c-text-weak: #8A99A8;
  --c-bg: #F5F7FA;
  --c-white: #ffffff;
  --radius-lg: 16px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-sm: 0 4px 20px rgba(38,54,70,0.08);
  --shadow-lg: 0 8px 32px rgba(38,54,70,0.14);
  --border-primary: rgba(90,139,184,0.18);
  --font-sans: 'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-mono: 'JetBrains Mono','Consolas',monospace;
  --space-xl: 100px;
  --space-lg: 80px;
  --space-md: 48px;
}
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: inline-block; }
a { text-decoration: none; color: inherit; transition: color 0.3s, background 0.3s, border-color 0.3s; }
ul,ol { list-style: none; }
button,input,select,textarea { font-family: inherit; font-size: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 30px; }

/* ===== 准星 icon ===== */
.crosshair-icon {
  display: inline-block; width: 14px; height: 14px; position: relative; flex-shrink: 0;
}
.crosshair-icon::before {
  content:''; position: absolute; left: 50%; top: 0; width: 2px; height: 14px;
  background: var(--c-primary); transform: translateX(-50%); border-radius: 1px;
}
.crosshair-icon::after {
  content:''; position: absolute; top: 50%; left: 0; width: 14px; height: 2px;
  background: var(--c-primary); transform: translateY(-50%); border-radius: 1px;
}
.crosshair-icon .dot {
  position: absolute; left: 50%; top: 50%; width: 4px; height: 4px;
  border-radius: 50%; background: var(--c-primary); transform: translate(-50%,-50%);
}
.crosshair-icon.amber::before, .crosshair-icon.amber::after { background: var(--c-accent); }
.crosshair-icon.amber .dot { background: var(--c-accent); }
.crosshair-icon.white::before, .crosshair-icon.white::after { background: #fff; }
.crosshair-icon.white .dot { background: #fff; }

/* ===== 网格背景 ===== */
.grid-overlay {
  background-image:
    linear-gradient(rgba(90,139,184,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90,139,184,0.05) 1px, transparent 1px);
  background-size: 42px 42px;
}
.tea-glow {
  background: radial-gradient(ellipse at 20% 80%, rgba(217,122,43,0.08), transparent 60%);
}

/* ===== HUD 角标 ===== */
.hud-corners { position: relative; }
.hud-corners::before,.hud-corners::after {
  content:''; position: absolute; width: 18px; height: 18px;
  border-color: var(--c-primary); border-style: solid; z-index: 2; pointer-events: none;
}
.hud-corners::before { top: 10px; left: 10px; border-width: 2px 0 0 2px; }
.hud-corners::after { bottom: 10px; right: 10px; border-width: 0 2px 2px 0; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 12px 28px; border-radius: var(--radius-sm); font-weight: 600;
  font-size: 0.95rem; border: none; cursor: pointer; transition: all 0.3s ease;
  outline: none; line-height: 1.4;
}
.btn-primary { background: var(--c-primary); color: #fff; }
.btn-primary:hover { background: var(--c-primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.btn-primary:active { transform: translateY(0); box-shadow: var(--shadow-sm); }
.btn-outline { background: transparent; color: var(--c-primary); border: 1px solid var(--c-primary); }
.btn-outline:hover { background: rgba(90,139,184,0.1); transform: translateY(-1px); }
.btn-outline:active { transform: translateY(0); }
.btn-accent { background: var(--c-accent); color: #fff; }
.btn-accent:hover { background: #c96a1f; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(217,122,43,0.25); }
.btn-lg { padding: 14px 36px; font-size: 1rem; }
.btn-sm { padding: 10px 20px; font-size: 0.875rem; }
.btn .crosshair-icon { transition: transform 0.3s; }
.btn:hover .crosshair-icon { transform: rotate(90deg); }
.btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, button:focus-visible {
  outline: 2px solid var(--c-primary); outline-offset: 2px; box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--c-primary);
}

/* ===== 徽章 / pill ===== */
.badge {
  display: inline-block; padding: 4px 14px; border-radius: var(--radius-pill);
  font-size: 0.78rem; font-weight: 500; border: 1px solid rgba(90,139,184,0.3);
  background: rgba(255,255,255,0.7); color: var(--c-primary);
}
.badge-accent { background: var(--c-accent); color: #fff; border-color: var(--c-accent); font-weight: 600; }
.tag-archive {
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700;
  color: var(--c-primary); background: var(--c-primary-light);
  padding: 3px 10px; border-radius: 4px; letter-spacing: 0.03em;
  display: inline-block;
}
.tag-hot { font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700; color: #fff; background: var(--c-accent); padding: 3px 10px; border-radius: 4px; }

/* ===== 双层导航 ===== */
.site-header {
  position: relative; z-index: 1000; background: #fff;
  border-bottom: 1px solid rgba(90,139,184,0.15);
  transition: box-shadow 0.3s;
}
.site-header.is-sticky {
  position: sticky; top: 0; box-shadow: 0 4px 20px rgba(38,54,70,0.08);
}
.header-top { padding: 14px 0; transition: padding 0.3s; }
.header-top-inner { display: flex; align-items: center; gap: 20px; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-text { font-size: 1.15rem; font-weight: 800; color: var(--c-text); letter-spacing: 0.02em; white-space: nowrap; }
.logo-text:hover { color: var(--c-primary); }
.header-search { flex: 1; max-width: 420px; position: relative; }
.header-search input {
  width: 100%; padding: 10px 20px 10px 46px; border-radius: var(--radius-pill);
  border: 1px solid var(--c-mist); background: var(--c-bg); font-size: 0.9rem;
  transition: border-color 0.3s, box-shadow 0.3s; color: var(--c-text);
}
.header-search input::placeholder { color: var(--c-text-weak); }
.header-search input:focus {
  border-color: var(--c-primary); box-shadow: 0 0 0 4px rgba(90,139,184,0.15);
  outline: none; background: #fff;
}
.header-search .search-icon {
  position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; border: 2px solid var(--c-text-weak); border-radius: 50%;
  pointer-events: none;
}
.header-search .search-icon::after {
  content:''; position: absolute; bottom: -5px; right: -2px; width: 6px; height: 2px;
  background: var(--c-text-weak); transform: rotate(45deg); border-radius: 1px;
}
.header-cta { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.header-nav { border-top: 1px solid rgba(90,139,184,0.08); background: #fff; }
.channel-tabs { display: flex; gap: 6px; padding: 8px 0; overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none; }
.channel-tabs::-webkit-scrollbar { display: none; }
.channel-tabs .tab {
  display: inline-block; padding: 8px 20px; border-radius: var(--radius-pill);
  font-size: 0.9rem; font-weight: 500; color: var(--c-text-secondary);
  background: var(--c-bg); white-space: nowrap; border: 1px solid transparent;
  transition: all 0.3s;
}
.channel-tabs .tab:hover { color: var(--c-primary); background: var(--c-primary-light); border-color: rgba(90,139,184,0.2); }
.channel-tabs .tab.active { background: var(--c-primary); color: #fff; border-color: var(--c-primary); font-weight: 600; }
.menu-toggle { display: none; background: none; border: none; cursor: pointer; width: 40px; height: 40px; padding: 8px; border-radius: var(--radius-sm); }
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--c-text); margin: 5px auto; transition: all 0.3s; }
.mobile-menu {
  display: none; background: #fff; border-top: 1px solid rgba(90,139,184,0.1);
  padding: 12px 0;
}
.mobile-menu a {
  display: block; padding: 12px 30px; font-size: 1rem; font-weight: 500;
  color: var(--c-text-secondary); border-bottom: 1px solid rgba(90,139,184,0.05);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--c-primary); background: var(--c-bg); }

/* ===== 区块通用 ===== */
.section-block { padding: var(--space-lg) 0; }
.section-block-alt { background: var(--c-white); }
.section-header { margin-bottom: 48px; }
.section-number {
  font-family: var(--font-mono); font-size: 0.95rem; font-weight: 700;
  color: var(--c-primary); display: block; margin-bottom: 8px; letter-spacing: 0.05em;
}
.section-header h2 {
  font-size: clamp(1.5rem,3vw,2.25rem); font-weight: 800; color: var(--c-text);
  line-height: 1.3; margin-bottom: 12px;
}
.section-header p { font-size: 1rem; color: var(--c-text-secondary); max-width: 720px; line-height: 1.7; }
.section-divider {
  height: 1px; background: linear-gradient(90deg, rgba(90,139,184,0.3), transparent);
  border: none; margin: 0;
}

/* ===== Hero ===== */
.hero {
  position: relative; min-height: 88vh; max-height: 100vh;
  display: flex; align-items: center; overflow: hidden;
  background: var(--c-mist);
}
.hero-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  z-index: 0;
}
.hero::before {
  content:''; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, rgba(255,255,255,0.92) 0%, rgba(255,255,255,0.75) 50%, rgba(255,255,255,0.35) 100%);
}
.hero .container { position: relative; z-index: 2; }
.hero-inner { display: flex; align-items: center; gap: 48px; padding: 60px 0; }
.hero-content { flex: 1; max-width: 620px; }
.hero h1 {
  font-size: clamp(1.6rem, 4vw, 3rem); font-weight: 900; color: var(--c-text);
  line-height: 1.3; margin-bottom: 20px; letter-spacing: 0.01em;
}
.hero-sub { font-size: 1.05rem; color: var(--c-text-secondary); line-height: 1.8; margin-bottom: 32px; max-width: 500px; }
.hero-ctas { display: flex; gap: 16px; margin-bottom: 28px; flex-wrap: wrap; }
.hero-trust { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-visual {
  flex: 0 0 380px; max-width: 380px; position: relative; display: flex; justify-content: center;
}
.hero-card {
  background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  overflow: hidden; width: 100%; position: relative;
  transform: rotate(1.5deg);
}
.hero-card img { width: 100%; height: 260px; object-fit: cover; display: block; }
.hero-card .card-info { padding: 20px; }
.hero-card .card-info h3 { font-size: 1rem; color: var(--c-text); font-weight: 700; margin-bottom: 6px; }
.hero-card .card-info p { font-size: 0.84rem; color: var(--c-text-secondary); line-height: 1.6; }
.hero-card .card-tag { position: absolute; top: 14px; left: 14px; z-index: 3; }

/* ===== 卡片系统 ===== */
.card {
  background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  position: relative; overflow: hidden; transition: all 0.3s ease;
  border: 1px solid rgba(90,139,184,0.05);
}
.card::before {
  content:''; position: absolute; top: 0; left: 0; width: 4px; height: 40px;
  background: var(--c-primary); transition: width 0.3s ease; z-index: 1; border-radius: 0 0 4px 0;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card:hover::before { width: 100%; height: 4px; }
.card-img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block; }
.card-body { padding: 22px 24px 24px; }
.card-body h3 { font-size: 1.1rem; font-weight: 700; color: var(--c-text); margin-bottom: 8px; }
.card-body p { font-size: 0.9rem; color: var(--c-text-secondary); line-height: 1.65; margin-bottom: 12px; }
.card-tags { display: flex; gap: 8px; flex-wrap: wrap; }

/* ===== 功能分组 ===== */
.feature-card .card-img { aspect-ratio: 16 / 9; }
.feature-card .card-tag { position: absolute; top: 12px; right: 12px; z-index: 3; }

/* ===== 使用场景 ===== */
.scenarios-wrap { display: flex; gap: 48px; align-items: center; }
.scenarios-list { flex: 0 0 46%; }
.scenario-item {
  display: flex; align-items: center; gap: 20px; padding: 22px 0;
  border-bottom: 1px solid rgba(90,139,184,0.3);
  transition: transform 0.3s, background 0.3s; cursor: default;
}
.scenario-item:last-child { border-bottom: none; }
.scenario-item:hover { transform: translateX(6px); }
.scenario-num {
  width: 40px; height: 40px; border-radius: 50%; background: var(--c-primary-light);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-weight: 700; font-size: 0.9rem; color: var(--c-primary);
  transition: all 0.3s; flex-shrink: 0;
}
.scenario-item:hover .scenario-num { background: var(--c-primary); color: #fff; }
.scenario-text h4 { font-size: 1.05rem; font-weight: 700; color: var(--c-text); margin-bottom: 4px; }
.scenario-text p { font-size: 0.875rem; color: var(--c-text-secondary); line-height: 1.6; }
.scenarios-img { flex: 1; position: relative; }
.scenarios-img img { width: 100%; border-radius: var(--radius-lg); object-fit: cover; aspect-ratio: 4/3; box-shadow: var(--shadow-lg); }

/* ===== 成功案例 ===== */
.stats-row { display: flex; justify-content: space-between; margin-bottom: 48px; background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: 36px 40px; }
.stat-item { flex: 1; text-align: center; position: relative; }
.stat-item:not(:last-child)::after { content:''; position: absolute; right: 0; top: 20%; height: 60%; width: 1px; background: rgba(90,139,184,0.2); }
.stat-number { font-family: var(--font-mono); font-size: clamp(2rem,4vw,3rem); font-weight: 700; color: var(--c-primary); line-height: 1.2; }
.stat-label { font-size: 0.875rem; color: var(--c-text-secondary); margin-top: 6px; }
.case-card { position: relative; overflow: hidden; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); background: #fff; border: 1px solid rgba(90,139,184,0.06); transition: all 0.3s; }
.case-card:hover { box-shadow: var(--shadow-lg); }
.case-card img { width: 100%; height: 260px; object-fit: cover; display: block; transition: transform 0.5s ease; }
.case-card:hover img { transform: scale(1.03); }
.case-info { padding: 20px 24px; background: #fff; }
.case-type { font-size: 0.78rem; color: var(--c-text-weak); font-weight: 600; margin-bottom: 6px; letter-spacing: 0.03em; }
.case-quote { font-size: 0.95rem; color: var(--c-text); line-height: 1.7; font-style: normal; }
.case-tags { display: flex; gap: 8px; margin-top: 10px; }

/* ===== 价格 ===== */
.price-grid { display: flex; gap: 24px; align-items: stretch; }
.price-card {
  flex: 1; background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  padding: 36px 30px; display: flex; flex-direction: column; position: relative;
  border: 1px solid rgba(90,139,184,0.08); transition: all 0.3s;
}
.price-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.price-card.featured { border: 2px solid var(--c-primary); position: relative; }
.price-card.featured .recommend-tag {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--c-accent); color: #fff; font-size: 0.75rem; font-weight: 700;
  padding: 4px 16px; border-radius: var(--radius-pill); white-space: nowrap;
}
.price-name { font-size: 1.15rem; font-weight: 700; color: var(--c-text); margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.price-value { font-family: var(--font-mono); font-size: 2.2rem; font-weight: 800; color: var(--c-primary); margin-bottom: 4px; }
.price-unit { font-family: var(--font-sans); font-size: 0.9rem; color: var(--c-text-weak); }
.price-list { margin: 20px 0 28px; flex: 1; }
.price-list li {
  padding: 6px 0; font-size: 0.9rem; color: var(--c-text-secondary);
  display: flex; align-items: center; gap: 10px;
  transition: color 0.3s;
}
.price-list li::before {
  content:''; width: 6px; height: 6px; background: var(--c-primary);
  transform: rotate(45deg); flex-shrink: 0; transition: background 0.3s;
}
.price-list li:hover { color: var(--c-text); }
.price-list li:hover::before { background: var(--c-accent); }

/* ===== 资讯 ===== */
.news-list-item {
  display: flex; align-items: center; gap: 16px; padding: 14px 0;
  border-bottom: 1px solid rgba(90,139,184,0.1); transition: all 0.3s;
}
.news-list-item:hover { padding-left: 8px; }
.news-list-item a { font-size: 0.95rem; color: var(--c-text); font-weight: 500; flex: 1; line-height: 1.5; }
.news-list-item a:hover { color: var(--c-primary); }
.news-date { font-family: var(--font-mono); font-size: 0.78rem; color: var(--c-text-weak); white-space: nowrap; }
.news-sidebar-card { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: 28px; }
.news-sidebar-card h3 { font-size: 1rem; font-weight: 700; color: var(--c-text); margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid rgba(90,139,184,0.1); }
.news-sidebar-card ul li { padding: 10px 0; border-bottom: 1px solid rgba(90,139,184,0.06); }
.news-sidebar-card ul li:last-child { border-bottom: none; }
.news-sidebar-card ul li a { font-size: 0.88rem; color: var(--c-text-secondary); line-height: 1.5; }
.news-sidebar-card ul li a:hover { color: var(--c-primary); }

/* ===== 平台保障 ===== */
.guarantee-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.guarantee-item { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: 30px 26px; text-align: center; transition: all 0.3s; }
.guarantee-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.guarantee-icon {
  width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 50%;
  background: var(--c-primary-light); display: flex; align-items: center; justify-content: center;
}
.guarantee-icon svg { width: 26px; height: 26px; fill: var(--c-primary); }
.guarantee-item h3 { font-size: 1rem; font-weight: 700; color: var(--c-text); margin-bottom: 8px; }
.guarantee-item p { font-size: 0.85rem; color: var(--c-text-secondary); line-height: 1.6; }

/* ===== FAQ ===== */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.accordion { background: transparent; border: none; }
.accordion-item { background: #fff; border-radius: var(--radius-sm); margin-bottom: 12px; box-shadow: var(--shadow-sm); overflow: hidden; transition: box-shadow 0.3s; }
.accordion-item:hover { box-shadow: var(--shadow-lg); }
.accordion-title {
  padding: 20px 24px; font-size: 1rem; font-weight: 600; color: var(--c-text);
  display: flex; align-items: center; gap: 14px; background: #fff; border: none; position: relative;
}
.accordion-title::after {
  content: '+'; position: absolute; right: 24px; font-size: 1.4rem; color: var(--c-primary);
  transition: transform 0.3s;
}
.accordion-item.is-active .accordion-title::after { transform: rotate(45deg); }
.accordion-title .faq-icon {
  width: 20px; height: 20px; flex-shrink: 0; display: flex; align-items: center; justify-content: center;
}
.accordion-title .faq-icon .crosshair-icon { width: 12px; height: 12px; }
.accordion-title .faq-icon .crosshair-icon::before { width: 1.5px; height: 12px; }
.accordion-title .faq-icon .crosshair-icon::after { width: 12px; height: 1.5px; }
.accordion-item.is-active .accordion-title { color: var(--c-primary); }
.accordion-content { padding: 0 24px 20px; font-size: 0.92rem; color: var(--c-text-secondary); line-height: 1.8; }

/* ===== CTA ===== */
.cta-reserve {
  background: var(--c-mist); border-radius: var(--radius-lg); padding: 48px 40px;
  position: relative; overflow: hidden; display: flex; gap: 40px; align-items: center;
}
.cta-reserve::before { content:''; position: absolute; inset: 0; background: radial-gradient(ellipse at 90% 10%, rgba(217,122,43,0.06), transparent 50%); }
.cta-text { flex: 1; position: relative; z-index: 1; }
.cta-text h2 { font-size: clamp(1.4rem, 2.5vw, 2rem); font-weight: 800; color: var(--c-text); margin-bottom: 10px; }
.cta-text p { font-size: 0.95rem; color: var(--c-text-secondary); }
.cta-form { flex: 0 0 380px; position: relative; z-index: 1; }
.cta-form .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.cta-form .form-group { margin-bottom: 12px; }
.cta-form label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--c-text-secondary); margin-bottom: 4px; }
.cta-form input, .cta-form select {
  width: 100%; padding: 10px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--c-mist); background: #fff; font-size: 0.9rem; color: var(--c-text);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.cta-form input:focus, .cta-form select:focus {
  border-color: var(--c-primary); box-shadow: 0 0 0 4px rgba(90,139,184,0.12); outline: none;
}
.cta-form input::placeholder { color: var(--c-text-weak); }
.cta-form .form-full { grid-column: 1 / -1; }
.cta-form .btn { width: 100%; }

/* ===== 页脚 ===== */
.site-footer { background: var(--c-warm); border-top: 1px solid rgba(90,139,184,0.25); padding-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 0.8fr 1fr 0.8fr; gap: 40px; padding-bottom: 40px; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-logo .logo-text { font-size: 1.1rem; }
.footer-desc { font-size: 0.85rem; color: var(--c-text-secondary); line-height: 1.7; margin-bottom: 16px; max-width: 300px; }
.footer-socials { display: flex; gap: 10px; }
.social-icon {
  width: 38px; height: 38px; border-radius: 50%; border: 1px solid rgba(90,139,184,0.3);
  display: flex; align-items: center; justify-content: center; color: var(--c-primary);
  transition: all 0.3s;
}
.social-icon svg { width: 16px; height: 16px; fill: currentColor; }
.social-icon:hover { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }
.footer-col h4 { font-size: 0.95rem; font-weight: 700; color: var(--c-text); margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.85rem; color: var(--c-text-secondary); transition: all 0.3s; }
.footer-col ul li a:hover { color: var(--c-primary); padding-left: 4px; }
.footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 0.85rem; color: var(--c-text-secondary); }
.footer-contact li svg { width: 16px; height: 16px; fill: var(--c-primary); flex-shrink: 0; }
.footer-bottom { border-top: 1px solid rgba(90,139,184,0.1); padding: 18px 0; text-align: center; font-size: 0.8rem; color: var(--c-text-weak); }

/* ===== 响应式 ===== */
@media (max-width: 64em) {
  .hero-visual { flex-basis: 320px; max-width: 320px; }
  .scenarios-wrap { flex-direction: column; }
  .scenarios-list { flex: none; width: 100%; }
  .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-reserve { flex-direction: column; }
  .cta-form { flex: none; width: 100%; }
}
@media (max-width: 40em) {
  .container { padding: 0 16px; }
  .section-block { padding: 48px 0; }
  .header-search { display: none; }
  .menu-toggle { display: block; }
  .header-cta .btn-sm { padding: 8px 14px; font-size: 0.8rem; }
  .hero { min-height: 100vh; padding: 40px 0; }
  .hero-inner { flex-direction: column; padding: 30px 0; gap: 32px; }
  .hero-content { text-align: center; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-trust { justify-content: center; }
  .hero-visual { flex: none; max-width: 100%; transform: none; }
  .hero-card { max-width: 360px; }
  .hero-card img { height: 200px; }
  .hero-ctas { justify-content: center; flex-direction: column; }
  .hero-ctas .btn { width: 100%; }
  .stats-row { flex-direction: column; padding: 24px; gap: 20px; }
  .stat-item:not(:last-child)::after { display: none; }
  .price-grid { flex-direction: column; }
  .price-card { padding: 28px 22px; }
  .guarantee-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .cta-reserve { padding: 28px 20px; }
  .cta-form .form-grid { grid-template-columns: 1fr; }
  .accordion-title { padding: 16px 20px; font-size: 0.92rem; }
  .accordion-content { padding: 0 20px 16px; }
  .scenario-item { padding: 16px 0; gap: 14px; }
  .scenarios-img img { aspect-ratio: 16 / 10; }
  .case-card img { height: 200px; }
  .news-list-item { flex-direction: column; align-items: flex-start; gap: 4px; padding: 12px 0; }
  .btn-lg { padding: 12px 24px; }
}
@media (min-width: 40em) and (max-width: 64em) {
  .feature-card .card-img { aspect-ratio: 16 / 10; }
  .stats-row { padding: 28px 20px; }
  .price-grid { gap: 16px; }
}