/* ==========================================================================
   小马上岸 · 官网（营销站）组件样式
   CTA / Hero / 卡片 / 赛道卡 / 定价卡 / 下载卡 / FAQ / CTA 横幅 / 页脚
   ========================================================================== */

/* ==========================================================================
   按钮
   ========================================================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 26px; border-radius: var(--radius-full);
  font-size: var(--fs-16); font-weight: 700; letter-spacing: .01em;
  cursor: pointer; user-select: none; white-space: nowrap;
  transition: transform var(--dur-fast), box-shadow var(--dur-fast),
              background var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast);
}
.btn:active { transform: scale(0.97); }
.btn i[data-ico] { font-size: 18px; }

.btn-lg { height: 56px; padding: 0 34px; font-size: var(--fs-18); }

/* 主 CTA（能量橙） */
.btn-accent {
  background: var(--gradient-accent); color: var(--color-on-accent);
  box-shadow: var(--shadow-accent);
}
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 22px 48px -12px rgba(234, 88, 12, 0.5); }

/* 副 CTA（靛蓝幽灵） */
.btn-ghost {
  color: var(--color-primary); border: 1.5px solid var(--color-primary);
}
.btn-ghost:hover { background: var(--color-primary-soft); transform: translateY(-2px); }

/* 深色幽灵（用于渐变横幅上） */
.btn-ghost-light { color: #fff; border: 1.5px solid rgba(255,255,255,.55); }
.btn-ghost-light:hover { background: rgba(255,255,255,.14); }

/* 白底橙字（用于渐变 CTA 横幅内） */
.btn-white {
  background: #fff; color: var(--color-accent);
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.35);
}
.btn-white:hover { transform: translateY(-2px); }

/* 小按钮 */
.btn-sm { height: 40px; padding: 0 20px; font-size: var(--fs-14); }

/* 文字链接 */
.text-link {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: var(--fs-14); font-weight: 700; color: var(--color-primary);
  transition: color var(--dur-fast);
}
.text-link i[data-ico] { font-size: 16px; transition: transform var(--dur-fast); }
.text-link:hover { color: var(--color-primary-hover); }
.text-link:hover i[data-ico] { transform: translateX(3px); }

/* 图标圆钮（主题切换等） */
.icon-btn {
  display: grid; place-items: center; width: 40px; height: 40px;
  border-radius: var(--radius-full); color: var(--color-on-surface-variant);
  border: 1px solid var(--color-outline); background: var(--color-surface);
  transition: color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
}
.icon-btn:hover { color: var(--color-primary); border-color: var(--color-primary); background: var(--color-primary-soft); }
.icon-btn i[data-ico] { font-size: 20px; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero { position: relative; padding-block: clamp(64px, 9vh, 112px) clamp(64px, 8vh, 96px); }
.hero .container { position: relative; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero-copy { display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-6); }
.hero-cta { display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap; }
.hero-note { display: flex; align-items: center; gap: 8px; font-size: var(--fs-14); color: var(--color-text-tertiary); }
.hero-note i[data-ico] { font-size: 16px; color: var(--color-secondary); }

.hero-visual { position: relative; }
.hero-shot {
  border-radius: var(--radius-2xl); overflow: hidden;
  box-shadow: var(--shadow-xl); border: 1px solid var(--color-outline);
  background: var(--color-surface);
}
.hero-shot img { width: 100%; height: auto; }
.hero-badge {
  position: absolute; display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; border-radius: var(--radius-lg);
  background: var(--color-surface); box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-outline); font-size: var(--fs-14);
  animation: float 5s ease-in-out infinite;
}
.hero-badge .badge-ico {
  width: 36px; height: 36px; border-radius: 11px; display: grid; place-items: center;
  color: #fff; font-size: 18px;
}
.hero-badge b { display: block; font-size: var(--fs-16); }
.hero-badge span { color: var(--color-text-tertiary); font-size: 12px; }
.hero-badge.tl { top: -18px; left: -18px; }
.hero-badge.br { bottom: -18px; right: -18px; animation-delay: 1.4s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ==========================================================================
   通用卡片
   ========================================================================== */
.card {
  background: var(--color-surface); border: 1px solid var(--color-outline);
  border-radius: var(--radius-xl); padding: var(--space-6);
  transition: transform var(--dur-base), box-shadow var(--dur-base), border-color var(--dur-base);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--color-outline-strong); }

.card-ico {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  font-size: 26px; margin-bottom: var(--space-4);
}
.card-title { font-size: var(--fs-20); font-weight: 800; margin-bottom: var(--space-2); }
.card-desc { font-size: var(--fs-16); color: var(--color-on-surface-variant); line-height: var(--lh-normal); }

/* 图标容器主题色 */
.ico-primary { background: var(--color-primary-container); color: var(--color-primary); }
.ico-accent { background: var(--color-accent-container); color: var(--color-accent); }
.ico-secondary { background: var(--color-secondary-container); color: var(--color-secondary); }
.ico-ai { background: var(--color-ai-container); color: var(--color-ai); }
.ico-teacher { background: var(--color-teacher-container); color: var(--color-teacher); }

/* 标签 / Chip */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  height: 28px; padding: 0 12px; border-radius: var(--radius-full);
  font-size: 12px; font-weight: 700;
}
.chip-primary { background: var(--color-primary-container); color: var(--color-on-primary-container); }
.chip-accent { background: var(--color-accent-container); color: var(--color-on-accent-container); }
.chip-secondary { background: var(--color-secondary-container); color: var(--color-on-secondary-container); }
.chip-ai { background: var(--color-ai-container); color: var(--color-on-ai-container); }

/* ==========================================================================
   赛道卡（公考赛道）
   ========================================================================== */
.track-card {
  position: relative; overflow: hidden;
  background: var(--color-surface); border: 1px solid var(--color-outline);
  border-radius: var(--radius-xl); padding: var(--space-6);
  transition: transform var(--dur-base), box-shadow var(--dur-base), border-color var(--dur-base);
}
.track-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); border-color: var(--track, var(--color-primary)); }
.track-card .track-top { display: flex; align-items: center; gap: 14px; margin-bottom: var(--space-4); }
.track-card .track-ico {
  width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center;
  font-size: 28px; color: #fff;
  background: var(--track-gradient, var(--gradient-primary));
}
.track-card .track-name { font-size: var(--fs-24); font-weight: 800; }
.track-card .track-tag { font-family: var(--font-num); font-size: 12px; font-weight: 700; color: var(--color-text-tertiary); }
.track-card .track-desc { font-size: var(--fs-16); color: var(--color-on-surface-variant); margin-bottom: var(--space-4); line-height: var(--lh-normal); }
.track-card .track-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: var(--space-6); }
.track-card .track-list li { display: flex; align-items: center; gap: 10px; font-size: var(--fs-14); color: var(--color-on-surface-variant); }
.track-card .track-list i[data-ico] { font-size: 16px; color: var(--track, var(--color-primary)); }

/* 赛道主题变量 */
.track-gk { --track: var(--track-gk); --track-gradient: linear-gradient(135deg, #4F46E5, #6366F1); }
.track-zsb { --track: var(--track-zsb); --track-gradient: linear-gradient(135deg, #0D9488, #14B8A6); }
.track-ky { --track: var(--track-ky); --track-gradient: linear-gradient(135deg, #6366F1, #8B5CF6); }
.track-zskz { --track: var(--track-zskz); --track-gradient: linear-gradient(135deg, #EA580C, #F97316); }

/* ==========================================================================
   定价卡
   ========================================================================== */
.pricing-card {
  position: relative; display: flex; flex-direction: column; gap: var(--space-6);
  background: var(--color-surface); border: 1px solid var(--color-outline);
  border-radius: var(--radius-xl); padding: var(--space-12) var(--space-6);
  transition: transform var(--dur-base), box-shadow var(--dur-base), border-color var(--dur-base);
}
.pricing-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.pricing-card.featured { border: 2px solid var(--color-primary); box-shadow: var(--shadow-primary); }
.pricing-card .pc-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  height: 28px; padding: 0 16px; border-radius: var(--radius-full);
  background: var(--gradient-primary); color: #fff; font-size: 12px; font-weight: 800;
  display: inline-flex; align-items: center; white-space: nowrap;
}
.pricing-card .pc-name { font-size: var(--fs-20); font-weight: 800; }
.pricing-card .pc-price { display: flex; align-items: baseline; gap: 6px; font-family: var(--font-num); }
.pricing-card .pc-price .amt { font-size: 52px; font-weight: 800; letter-spacing: -0.03em; }
.pricing-card .pc-price .unit { font-size: var(--fs-16); color: var(--color-text-tertiary); }
.pricing-card .pc-note { font-size: var(--fs-14); color: var(--color-text-tertiary); }
.pricing-card .pc-list { display: flex; flex-direction: column; gap: 12px; flex: 1; }
.pricing-card .pc-list li { display: flex; align-items: center; gap: 10px; font-size: var(--fs-14); color: var(--color-on-surface-variant); }
.pricing-card .pc-list i[data-ico] { font-size: 16px; color: var(--color-secondary); }

/* ==========================================================================
   下载卡
   ========================================================================== */
.download-card {
  display: flex; flex-direction: column; align-items: center; gap: var(--space-4);
  background: var(--color-surface); border: 1px solid var(--color-outline);
  border-radius: var(--radius-xl); padding: var(--space-12) var(--space-6);
  text-align: center;
  transition: transform var(--dur-base), box-shadow var(--dur-base), border-color var(--dur-base);
}
.download-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--color-primary); }
.download-card .dc-ico {
  width: 64px; height: 64px; border-radius: 20px; display: grid; place-items: center;
  font-size: 32px; color: #fff; background: var(--gradient-primary);
}
.download-card .dc-name { font-size: var(--fs-20); font-weight: 800; }
.download-card .dc-desc { font-size: var(--fs-14); color: var(--color-on-surface-variant); }
.qr-ph { width: 140px; height: 140px; border-radius: var(--radius-lg); background: var(--color-surface-2); border: 1px dashed var(--color-outline-strong); display: grid; place-items: center; color: var(--color-text-tertiary); font-size: 12px; }

/* ==========================================================================
   FAQ 手风琴
   ========================================================================== */
.faq-item { border: 1px solid var(--color-outline); border-radius: var(--radius-lg); background: var(--color-surface); overflow: hidden; }
.faq-item + .faq-item { margin-top: var(--space-4); }
.faq-q {
  display: flex; align-items: center; gap: var(--space-4); width: 100%;
  padding: 20px 24px; text-align: left; font-size: var(--fs-16); font-weight: 700;
  color: var(--color-on-surface); cursor: pointer;
}
.faq-q i[data-ico] { margin-left: auto; font-size: 20px; color: var(--color-text-tertiary); transition: transform var(--dur-base); }
.faq-item.open .faq-q i[data-ico] { transform: rotate(180deg); color: var(--color-primary); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height var(--dur-base) ease; }
.faq-a-inner { padding: 0 24px 24px; font-size: var(--fs-16); color: var(--color-on-surface-variant); line-height: var(--lh-relaxed); }

/* ==========================================================================
   CTA 横幅（全站收尾）
   ========================================================================== */
.cta-banner { position: relative; overflow: hidden; background: var(--gradient-cta); }
.cta-banner .container {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-6);
  padding-block: clamp(48px, 7vw, 80px);
}
.cta-banner .cb-title { color: #fff; font-size: clamp(24px, 3vw, var(--fs-32)); font-weight: 800; }
.cta-banner .cb-sub { color: rgba(255,255,255,.82); margin-top: var(--space-2); }
.cta-banner::before, .cta-banner::after {
  content: ""; position: absolute; border-radius: 50%; filter: blur(40px); opacity: .5;
}
.cta-banner::before { width: 320px; height: 320px; background: rgba(234,88,12,.55); top: -120px; right: 8%; }
.cta-banner::after { width: 280px; height: 280px; background: rgba(139,92,246,.55); bottom: -120px; left: 6%; }

/* ==========================================================================
   页脚
   ========================================================================== */
.footer { background: var(--color-bg-tint); border-top: 1px solid var(--color-outline); }
.footer .container { padding-block: clamp(48px, 6vw, 72px) var(--space-6); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-12); }
.footer .f-brand { display: flex; flex-direction: column; gap: var(--space-4); }
.footer .f-brand .brand { display: flex; align-items: center; gap: 11px; font-weight: 800; font-size: var(--fs-18); }
.footer .f-brand .brand-mark {
  --bm: var(--brand-mark-lg);
  width: var(--bm); height: var(--bm); flex: none;
  border-radius: calc(var(--bm) * .30);
  background: var(--brand-gradient); color: #fff;
  display: grid; place-items: center;
  font-size: calc(var(--bm) * .58);
  box-shadow: var(--brand-shadow);
}
.footer .f-desc { font-size: var(--fs-14); color: var(--color-on-surface-variant); line-height: var(--lh-normal); max-width: 320px; }
.footer .f-col-title { font-size: var(--fs-14); font-weight: 800; margin-bottom: var(--space-4); }
.footer .f-col a { display: block; padding: 6px 0; font-size: var(--fs-14); color: var(--color-on-surface-variant); transition: color var(--dur-fast); }
.footer .f-col a:hover { color: var(--color-primary); }
.footer .f-bottom {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-4);
  border-top: 1px solid var(--color-outline); margin-top: var(--space-12); padding-top: var(--space-6);
  font-size: var(--fs-14); color: var(--color-text-tertiary);
}

/* ==========================================================================
   数据可视化容器
   ========================================================================== */
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.stat-card { text-align: center; padding: var(--space-12) var(--space-6); }
.stat-card .stat-num { font-family: var(--font-num); font-size: 48px; font-weight: 800; letter-spacing: -0.03em; }
.stat-card .stat-label { margin-top: var(--space-2); font-size: var(--fs-14); color: var(--color-on-surface-variant); }

/* ==========================================================================
   官网视觉增强：Hero 氛围 / 热词跑马灯 / 数据带 / 装饰网格
   ========================================================================== */

/* Hero 背景光斑（分层氛围） */
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(560px 360px at 12% 18%, color-mix(in srgb, var(--color-primary) 16%, transparent), transparent 68%),
    radial-gradient(520px 380px at 88% 30%, color-mix(in srgb, var(--color-accent) 14%, transparent), transparent 66%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: linear-gradient(var(--color-outline) 1px, transparent 1px),
                    linear-gradient(90deg, var(--color-outline) 1px, transparent 1px);
  background-size: 52px 52px;
  opacity: .5;
  mask-image: radial-gradient(ellipse 82% 62% at 50% 12%, #000 0%, transparent 74%);
  -webkit-mask-image: radial-gradient(ellipse 82% 62% at 50% 12%, #000 0%, transparent 74%);
}
.hero .container { position: relative; z-index: 1; }

/* 装饰光球 */
.hero-orb { position: absolute; border-radius: 50%; filter: blur(56px); opacity: .5; pointer-events: none; }

/* 装饰网格（区块背景纹理，配合 position:relative 父级） */
.grid-mesh {
  position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background-image: linear-gradient(var(--color-outline) 1px, transparent 1px),
                    linear-gradient(90deg, var(--color-outline) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: .55;
  mask-image: radial-gradient(ellipse 78% 62% at 50% 18%, #000 0%, transparent 74%);
  -webkit-mask-image: radial-gradient(ellipse 78% 62% at 50% 18%, #000 0%, transparent 74%);
}

/* 热词跑马灯（赛道 / 考试热词条） */
.marquee {
  position: relative; overflow: hidden; padding: 15px 0;
  border-block: 1px solid var(--color-outline); background: var(--color-surface);
}
.marquee::before, .marquee::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 140px; z-index: 2; pointer-events: none;
}
.marquee::before { left: 0; background: linear-gradient(90deg, var(--color-surface), transparent); }
.marquee::after { right: 0; background: linear-gradient(-90deg, var(--color-surface), transparent); }
.marquee-track { display: flex; width: max-content; animation: mx-marquee 34s linear infinite; }
.marquee-group { display: flex; gap: 30px; padding-right: 30px; }
.marquee-track span { display: inline-flex; align-items: center; gap: 9px; font-family: var(--font-num); font-size: var(--fs-14); font-weight: 700; color: var(--color-on-surface-variant); white-space: nowrap; }
.marquee-track span i[data-ico] { font-size: 16px; color: var(--color-primary); }
.marquee-track span:nth-child(4n) i[data-ico] { color: var(--color-accent); }
.marquee-track span:nth-child(4n+1) i[data-ico] { color: var(--color-secondary); }
.marquee-track span:nth-child(4n+2) i[data-ico] { color: var(--color-ai); }
@keyframes mx-marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; flex-wrap: wrap; width: auto; } }

/* 数据带（品牌信任数字，宽幅） */
.stat-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
.stat-band .sb-item {
  position: relative; overflow: hidden; text-align: center;
  padding: var(--space-6) var(--space-4); border-radius: var(--radius-xl);
  background: var(--color-surface); border: 1px solid var(--color-outline);
  transition: transform var(--dur-base), box-shadow var(--dur-base), border-color var(--dur-base);
}
.stat-band .sb-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--color-outline-strong); }
.stat-band .sb-item::before {
  content: ""; position: absolute; left: 50%; top: 0; transform: translateX(-50%);
  width: 60px; height: 3px; border-radius: 0 0 3px 3px; background: var(--gradient-primary);
}
.stat-band .sb-item:nth-child(2)::before { background: var(--gradient-accent); }
.stat-band .sb-item:nth-child(3)::before { background: var(--gradient-ai); }
.stat-band .sb-num { font-family: var(--font-num); font-size: 38px; font-weight: 800; letter-spacing: -0.02em; }
.stat-band .sb-label { margin-top: 6px; font-size: var(--fs-14); color: var(--color-on-surface-variant); }

/* 价值卡序号徽章 */
.card-num {
  position: absolute; top: var(--space-6); right: var(--space-6);
  font-family: var(--font-num); font-size: 13px; font-weight: 800; color: var(--color-text-tertiary);
}
.card { position: relative; }

/* ==========================================================================
   响应式补充
   ========================================================================== */
@media (max-width: 1100px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { max-width: 640px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stat-row { grid-template-columns: repeat(3, 1fr); }
  .stat-band { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .cta-banner .container { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .stat-row { grid-template-columns: 1fr; }
  .stat-band { grid-template-columns: 1fr 1fr; }
  .hero-badge.tl { left: 8px; top: -14px; }
  .hero-badge.br { right: 8px; bottom: -14px; }
}