/* ============================================================
   优益托管 · 网站样式
   风格：奶油底 + 圆角卡片 + 手绘感装饰 + 蓝黄撞色（呼应 logo）
   ============================================================ */

:root {
  --blue: #2563c4;
  --blue-deep: #1d4f9e;
  --blue-light: #e3edfb;
  --yellow: #ffd23e;
  --yellow-deep: #f5b301;
  --cream: #fbf7ef;
  --cream-2: #f6efe1;
  --ink: #23324d;
  --ink-soft: #5a6a86;
  --green: #4caf6e;
  --green-light: #e7f4ec;
  --pink: #f2708a;
  --pink-light: #fdecef;
  --purple: #8b6fd8;
  --purple-light: #f0ebfb;
  --radius-lg: 26px;
  --radius-md: 18px;
  --shadow: 0 10px 30px rgba(35, 50, 77, .08);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.7;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }

.container { width: min(1140px, 92%); margin: 0 auto; }

h1, h2, h3, h4 { line-height: 1.3; }

/* ---------- 通用组件 ---------- */
.eyebrow {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--blue);
  margin-bottom: 10px;
}
.eyebrow-pink { color: var(--pink); }
.eyebrow-green { color: var(--green); }
.eyebrow-yellow { color: var(--yellow-deep); }

section h2 { font-size: clamp(24px, 3.4vw, 36px); margin-bottom: 14px; }

.section-head { text-align: center; max-width: 640px; margin: 0 auto 46px; }

.btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  transition: transform .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-yellow {
  background: var(--yellow);
  color: var(--ink);
  box-shadow: 0 6px 0 rgba(245, 179, 1, .55);
}
.btn-outline {
  border: 2px solid var(--ink);
  color: var(--ink);
  background: transparent;
}

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 247, 239, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(35, 50, 77, .06);
}
.nav-wrap {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 12px 0;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { width: 44px; height: 44px; object-fit: contain; }
.brand-text strong { display: block; font-size: 19px; color: var(--blue); letter-spacing: 1px; }
.brand-text small { font-size: 10px; letter-spacing: 2px; color: var(--ink-soft); }

.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-soft);
  padding: 6px 2px;
  border-bottom: 3px solid transparent;
  transition: color .2s, border-color .2s;
}
.nav a:hover, .nav a.active { color: var(--blue); border-color: var(--yellow); }

.nav-cta { padding: 11px 24px; font-size: 14px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span { width: 24px; height: 3px; border-radius: 2px; background: var(--ink); }

/* ---------- 英雄区 ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 70px 0 90px;
}
.blob-blue {
  position: absolute;
  width: 260px; height: 260px;
  background: var(--blue);
  border-radius: 46% 54% 60% 40% / 50% 44% 56% 50%;
  left: -110px; top: 60px;
  opacity: .92;
}
.doodle { position: absolute; color: var(--yellow-deep); font-size: 34px; }
.doodle-1 { right: 8%; top: 48px; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 50px;
  align-items: center;
  position: relative;
}
.hero-copy .eyebrow { letter-spacing: 6px; }
.hero h1 { font-size: clamp(30px, 4.6vw, 50px); margin-bottom: 20px; }
.hero .hl {
  color: var(--blue);
  position: relative;
  background: linear-gradient(transparent 68%, var(--yellow) 68%);
  padding: 0 4px;
}
.hero-sub { color: var(--ink-soft); max-width: 460px; margin-bottom: 30px; }

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }

.hero-stats {
  display: flex;
  gap: 44px;
}
.hero-stats strong { display: block; font-size: 28px; color: var(--blue); }
.hero-stats span { font-size: 13px; color: var(--ink-soft); }

.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-card {
  background: linear-gradient(160deg, var(--blue-light), #fff 70%);
  border: 3px solid #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 46px 54px;
  text-align: center;
  transform: rotate(2deg);
}
.hero-card img { width: 240px; margin: 0 auto 18px; }
.hero-card .hero-photo {
  width: 100%;
  max-width: 460px;
  border-radius: 18px;
  margin-bottom: 20px;
}
.hero-badge {
  display: inline-block;
  background: var(--yellow);
  border-radius: 999px;
  padding: 8px 22px;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 2px;
}
.sticker {
  position: absolute;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 26px;
  box-shadow: var(--shadow);
}
.sticker-star { width: 58px; height: 58px; background: var(--yellow); top: -16px; right: 10%; transform: rotate(-12deg); }
.sticker-heart { width: 50px; height: 50px; background: var(--pink); color: #fff; bottom: -10px; left: 8%; }

/* ---------- 五大特色 ---------- */
.features { padding-bottom: 90px; }
.feature-strip {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  padding: 40px 24px;
}
.feature { text-align: center; padding: 0 16px; border-right: 1px dashed rgba(35,50,77,.15); }
.feature:last-child { border-right: 0; }
.feature-icon {
  display: inline-grid;
  place-items: center;
  width: 58px; height: 58px;
  border-radius: 50%;
  font-size: 26px;
  margin-bottom: 14px;
}
.ic-green { background: var(--green-light); }
.ic-yellow { background: #fff6d8; }
.ic-blue { background: var(--blue-light); }
.ic-pink { background: var(--pink-light); }
.ic-purple { background: var(--purple-light); }
.feature h3 { font-size: 17px; margin-bottom: 8px; }
.feature p { font-size: 13px; color: var(--ink-soft); }

/* ---------- 关于我们 ---------- */
.about { padding: 0 0 90px; }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: center;
}
.about-visual { position: relative; display: grid; gap: 22px; }
.about-card {
  border-radius: var(--radius-lg);
  padding: 34px 36px;
  box-shadow: var(--shadow);
}
.main-card {
  background: linear-gradient(150deg, var(--blue), var(--blue-deep));
  color: #fff;
  transform: rotate(-2deg);
}
.main-card h4 { font-size: 20px; margin-bottom: 16px; }
.main-card li { padding: 6px 0; font-size: 15px; }
.side-card {
  background: var(--yellow);
  display: flex;
  align-items: center;
  gap: 18px;
  transform: rotate(2deg) translateX(30px);
}
.side-card .big-emoji { font-size: 40px; }
.side-card p { font-weight: 700; line-height: 1.5; }

.about-copy p { color: var(--ink-soft); margin-bottom: 16px; }
.about-copy h2 { margin-bottom: 18px; }
.about-copy .btn { margin-top: 8px; }

/* ---------- 托管班型 ---------- */
.programs { padding: 0 0 90px; }
.program-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.program {
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  transition: transform .25s;
}
.program:hover { transform: translateY(-6px); }
.p-green { background: var(--green-light); }
.p-yellow { background: #fff6d8; }
.p-blue { background: var(--blue-light); }
.p-pink { background: var(--pink-light); }
.program-icon { font-size: 38px; }
.program-tag { font-weight: 800; font-size: 18px; letter-spacing: 2px; margin-top: 12px; }
.p-green .program-tag { color: var(--green); }
.p-yellow .program-tag { color: var(--yellow-deep); }
.p-blue .program-tag { color: var(--blue); }
.p-pink .program-tag { color: var(--pink); }
.program-time { font-size: 13px; color: var(--ink-soft); margin-bottom: 10px; }
.program p:last-of-type { font-size: 14px; color: var(--ink-soft); margin-bottom: 16px; }
.program-link { font-weight: 700; font-size: 14px; color: var(--ink); }

/* ---------- 安全保障 ---------- */
.why { padding: 0 0 90px; }
.why-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 60px;
  align-items: center;
}
.why-item {
  display: flex;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px dashed rgba(35,50,77,.15);
}
.why-item:last-child { border-bottom: 0; }
.why-num {
  flex: none;
  width: 42px; height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--yellow);
  font-weight: 800;
  color: var(--ink);
}
.why-item h4 { font-size: 17px; margin-bottom: 4px; }
.why-item p { font-size: 14px; color: var(--ink-soft); }

.why-visual { position: relative; }
.why-quote {
  background: var(--blue);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 50px 40px;
  font-size: 20px;
  line-height: 1.9;
  transform: rotate(2deg);
  box-shadow: var(--shadow);
}
.why-quote span { display: block; margin-top: 20px; font-size: 14px; opacity: .8; }

/* ---------- 家长评价 ---------- */
.reviews {
  background: var(--cream-2);
  padding: 80px 0;
}
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.review {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  box-shadow: var(--shadow);
}
.stars { color: var(--yellow-deep); letter-spacing: 3px; margin-bottom: 12px; }
.review p { font-size: 15px; color: var(--ink-soft); margin-bottom: 18px; }
.review footer { font-weight: 700; font-size: 14px; }

/* ---------- 报名流程 ---------- */
.steps { padding: 80px 0 30px; }
.step-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  counter-reset: step;
}
.step-grid li {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  position: relative;
}
.step-grid span {
  display: inline-block;
  font-size: 26px;
  font-weight: 800;
  color: var(--blue);
  opacity: .35;
  margin-bottom: 8px;
}
.step-grid h4 { font-size: 16px; margin-bottom: 4px; }
.step-grid p { font-size: 13px; color: var(--ink-soft); }

/* ---------- FAQ ---------- */
.faq { padding: 60px 0 90px; }
.faq-wrap { max-width: 760px; }
.faq details {
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  padding: 20px 26px;
  margin-bottom: 14px;
}
.faq summary {
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 30px;
}
.faq summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  font-size: 20px;
  color: var(--blue);
  transition: transform .2s;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin-top: 10px; color: var(--ink-soft); font-size: 14px; }

/* ---------- 联系我们 ---------- */
.contact { padding: 0 0 90px; }
.contact-card {
  background: linear-gradient(140deg, var(--blue-deep), var(--blue));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 60px 56px;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 50px;
  box-shadow: var(--shadow);
}
.contact-copy h2 { margin-bottom: 14px; }
.contact-copy p { opacity: .85; margin-bottom: 26px; }
.contact-info { display: grid; gap: 18px; align-content: center; }
.info-item h4 { font-size: 15px; margin-bottom: 4px; }
.info-item p { font-size: 14px; opacity: .85; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--ink);
  color: #cdd6e4;
  padding: 46px 0 0;
}
.footer-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.footer-brand img { width: 70px; margin-bottom: 10px; filter: brightness(1.1); }
.footer-brand p { font-size: 13px; letter-spacing: 3px; }
.footer-nav { display: flex; gap: 26px; flex-wrap: wrap; }
.footer-nav a { font-size: 14px; transition: color .2s; }
.footer-nav a:hover { color: var(--yellow); }
.copyright { padding: 20px 0; font-size: 13px; text-align: center; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .hero-grid, .about-grid, .why-grid, .contact-card { grid-template-columns: 1fr; }
  .feature-strip { grid-template-columns: repeat(2, 1fr); gap: 26px; }
  .feature { border-right: 0; }
  .program-grid, .step-grid { grid-template-columns: repeat(2, 1fr); }
  .review-grid { grid-template-columns: 1fr; }
  .side-card { transform: none; }
  .nav {
    position: fixed;
    inset: 64px 0 auto 0;
    background: var(--cream);
    flex-direction: column;
    align-items: center;
    padding: 24px 0;
    gap: 18px;
    border-bottom: 2px solid var(--yellow);
    display: none;
  }
  .nav.open { display: flex; }
  .nav-toggle { display: flex; margin-left: auto; }
  .nav-cta { display: none; }
}
@media (max-width: 560px) {
  .program-grid, .step-grid, .feature-strip { grid-template-columns: 1fr; }
  .hero-stats { gap: 26px; }
  .contact-card { padding: 40px 26px; }
}