/* ============================================================
   一泓清水·十里樱香 · 杨家东庄樱乡门户网站
   全局样式
   ============================================================ */

:root {
  --c-red: #E52E2E;
  --c-green: #36B37E;
  --c-blue: #1677FF;
  --c-orange: #FF8C00;
  --c-pink: #FFB7C5;
  --c-pink-soft: #FFF0F3;

  --c-text: #1f2937;
  --c-text-2: #4b5563;
  --c-text-3: #6b7280;
  --c-text-mute: #9ca3af;
  --c-bg: #fafbfc;
  --c-bg-soft: #f4f6f8;
  --c-card: #ffffff;
  --c-border: #e5e7eb;
  --c-border-soft: #f1f3f5;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,.06);
  --shadow-lg: 0 12px 32px rgba(0,0,0,.10);

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 20px;
  --r-xl: 28px;

  --max-w: 1240px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans CN",
               "Helvetica Neue", Arial, sans-serif;
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: color .2s; }
a:hover { color: var(--c-red); }
button { font-family: inherit; cursor: pointer; border: 0; }
ul { list-style: none; padding: 0; margin: 0; }
h1, h2, h3, h4 { margin: 0; color: var(--c-text); line-height: 1.3; }
p { margin: 0; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 工具类：响应式两列 / 三列 ===== */
.split-2 {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: start;
}
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--c-border-soft);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img {
  width: 48px; height: 48px;
  border-radius: 50%; object-fit: cover;
  background: #fff; border: 1px solid var(--c-border-soft);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text .b-main { font-size: 18px; font-weight: 700; color: var(--c-text); letter-spacing: .5px; }
.brand-text .b-sub  { font-size: 12px; color: var(--c-text-mute); letter-spacing: .8px; }

.nav-links { display: flex; gap: 4px; align-items: center; }
.nav-links a {
  display: inline-block; padding: 8px 16px;
  font-size: 15px; color: var(--c-text-2);
  border-radius: 999px; font-weight: 500;
}
.nav-links a:hover { background: var(--c-pink-soft); color: var(--c-red); }
.nav-links a.active { background: var(--c-red); color: #fff; }
.nav-cta {
  padding: 10px 18px; border-radius: 999px;
  background: linear-gradient(135deg, var(--c-red), #ff5a76);
  color: #fff !important; font-weight: 600; font-size: 14px;
  box-shadow: 0 4px 12px rgba(229,46,46,.25);
}
.nav-cta:hover { background: linear-gradient(135deg, #d12525, #ff4163); color: #fff !important; }
.nav-toggle { display: none; background: transparent; font-size: 26px; color: var(--c-text); padding: 4px 8px; }

/* ===== Hero ===== */
.hero {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255,255,255,0) 0%, var(--c-bg) 100%),
    linear-gradient(135deg, #fff5f8 0%, #fff 60%, #f3faff 100%);
  padding: 80px 0 100px;
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,183,197,.25), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(54,179,126,.10), transparent 50%);
  pointer-events: none;
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; }
.hero-tag {
  display: inline-block; padding: 6px 14px;
  background: #fff; border: 1px solid var(--c-pink);
  color: var(--c-red); border-radius: 999px;
  font-size: 13px; font-weight: 600; margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}
.hero h1 { font-size: 56px; font-weight: 800; letter-spacing: 2px; line-height: 1.15; margin-bottom: 18px; }
.hero h1 .accent { color: var(--c-red); }
.hero .lead { font-size: 18px; color: var(--c-text-2); line-height: 1.8; margin-bottom: 32px; max-width: 540px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 36px; margin-top: 36px; padding-top: 28px; border-top: 1px solid var(--c-border-soft); }
.hero-stats .num { font-size: 28px; font-weight: 800; color: var(--c-text); display: block; }
.hero-stats .lbl { font-size: 13px; color: var(--c-text-mute); margin-top: 4px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 28px; border-radius: 999px;
  font-weight: 600; font-size: 15px;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn-primary { background: var(--c-red); color: #fff !important; box-shadow: 0 8px 20px rgba(229,46,46,.28); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(229,46,46,.36); color: #fff !important; }
.btn-ghost { background: #fff; color: var(--c-text) !important; border: 1px solid var(--c-border); }
.btn-ghost:hover { border-color: var(--c-red); color: var(--c-red) !important; }

.hero-art {
  position: relative; aspect-ratio: 4 / 3;
  border-radius: var(--r-xl); overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero-art img { width: 100%; height: 100%; object-fit: cover; }
.hero-art .float-card {
  position: absolute;
  background: rgba(255,255,255,.95); backdrop-filter: blur(10px);
  border-radius: var(--r-md); padding: 14px 18px;
  font-size: 13px; color: var(--c-text-2);
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; gap: 10px;
}
.hero-art .float-card.fc-1 { top: 24px; left: 24px; }
.hero-art .float-card.fc-2 { bottom: 24px; right: 24px; }
.hero-art .float-card .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 0 4px rgba(54,179,126,.18);
}

/* ===== Section 通用 ===== */
section { padding: 80px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; margin-bottom: 40px; gap: 20px; flex-wrap: wrap; }
.section-head .sh-left { max-width: 720px; }
.section-head h2 { font-size: 36px; font-weight: 800; letter-spacing: 1px; margin-bottom: 8px; }
.section-head .eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700;
  color: var(--c-red); letter-spacing: 2px;
  margin-bottom: 12px; text-transform: uppercase;
}
.section-head p { font-size: 16px; color: var(--c-text-3); }
.section-soft { background: var(--c-bg-soft); }
.section-pink { background: linear-gradient(180deg, #fff 0%, var(--c-pink-soft) 100%); }

/* ===== 四大核心模块 ===== */
.modules { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.mod-card {
  position: relative; display: block;
  background: var(--c-card); border-radius: var(--r-lg);
  padding: 32px 28px; box-shadow: var(--shadow-sm);
  transition: transform .25s, box-shadow .25s;
  overflow: hidden; border: 1px solid var(--c-border-soft);
}
.mod-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.mod-card .mc-icon {
  width: 56px; height: 56px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; margin-bottom: 18px;
}
.mod-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.mod-card .mc-sub { color: var(--c-text-3); font-size: 14px; line-height: 1.7; margin-bottom: 22px; min-height: 48px; }
.mod-card .mc-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 14px; }
.mod-card.red    .mc-icon { background: #ffe9e9; color: var(--c-red); }
.mod-card.green  .mc-icon { background: #e3f5ec; color: var(--c-green); }
.mod-card.blue   .mc-icon { background: #e0eeff; color: var(--c-blue); }
.mod-card.orange .mc-icon { background: #ffeed4; color: var(--c-orange); }
.mod-card.red    .mc-link { color: var(--c-red); }
.mod-card.green  .mc-link { color: var(--c-green); }
.mod-card.blue   .mc-link { color: var(--c-blue); }
.mod-card.orange .mc-link { color: var(--c-orange); }
.mod-card::after {
  content: ""; position: absolute;
  inset: auto -30px -40px auto;
  width: 140px; height: 140px;
  border-radius: 50%; opacity: .06; pointer-events: none;
}
.mod-card.red::after    { background: var(--c-red); }
.mod-card.green::after  { background: var(--c-green); }
.mod-card.blue::after   { background: var(--c-blue); }
.mod-card.orange::after { background: var(--c-orange); }

/* ===== 数字展厅 ===== */
.exhibits { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ex-card {
  background: #fff; border-radius: var(--r-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform .25s, box-shadow .25s;
  display: flex; flex-direction: column;
}
.ex-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.ex-cover { aspect-ratio: 16 / 10; overflow: hidden; position: relative; }
.ex-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.ex-card:hover .ex-cover img { transform: scale(1.05); }
.ex-cover .badge {
  position: absolute; top: 16px; left: 16px;
  background: rgba(255,255,255,.92); color: var(--c-text);
  padding: 4px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 600; backdrop-filter: blur(6px);
}
.ex-body { padding: 22px 24px; flex: 1; display: flex; flex-direction: column; }
.ex-body h3 { font-size: 18px; margin-bottom: 6px; }
.ex-body p { font-size: 14px; color: var(--c-text-3); margin-bottom: 16px; flex: 1; }
.ex-body .ex-link { font-size: 14px; font-weight: 600; color: var(--c-red); display: inline-flex; align-items: center; gap: 6px; }

/* ===== 打卡条幅 ===== */
.checkin-band {
  background: linear-gradient(135deg, var(--c-red), #ff5a76);
  border-radius: var(--r-xl); padding: 48px 56px;
  display: grid; grid-template-columns: 1.4fr 1fr;
  align-items: center; gap: 40px; color: #fff;
  position: relative; overflow: hidden;
}
.checkin-band::before { content: ""; position: absolute; top: -60px; right: -40px; width: 280px; height: 280px; border-radius: 50%; background: rgba(255,255,255,.10); }
.checkin-band::after  { content: ""; position: absolute; bottom: -80px; right: 100px; width: 180px; height: 180px; border-radius: 50%; background: rgba(255,255,255,.08); }
.checkin-band h2 { color: #fff; font-size: 34px; font-weight: 800; margin-bottom: 12px; letter-spacing: 1px; }
.checkin-band p { font-size: 16px; opacity: .92; margin-bottom: 24px; }
.checkin-band .btn { background: #fff; color: var(--c-red) !important; }
.checkin-band .btn:hover { background: #fff7f8; color: var(--c-red) !important; }
.checkin-band .ci-points { display: flex; flex-wrap: wrap; gap: 10px; position: relative; z-index: 1; }
.checkin-band .ci-points span {
  background: rgba(255,255,255,.18);
  padding: 8px 14px; border-radius: 999px;
  font-size: 13px; backdrop-filter: blur(4px);
}

/* ===== Footer ===== */
.site-footer { background: #1a1d23; color: #c8ccd1; padding: 60px 0 30px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.foot-grid h4 { color: #fff; font-size: 15px; margin-bottom: 18px; letter-spacing: 1px; }
.foot-grid li { margin-bottom: 10px; font-size: 14px; }
.foot-grid a:hover { color: var(--c-pink); }
.foot-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.foot-brand img { width: 44px; height: 44px; border-radius: 50%; background: #fff; padding: 4px; }
.foot-brand .b-main { color: #fff; font-size: 17px; font-weight: 700; }
.foot-brand .b-sub  { color: #8a8f96; font-size: 12px; }
.foot-desc { font-size: 14px; line-height: 1.8; color: #8a8f96; max-width: 360px; }
.foot-bottom {
  border-top: 1px solid #2a2e35; padding-top: 24px;
  display: flex; justify-content: space-between;
  font-size: 13px; color: #6b7079; flex-wrap: wrap; gap: 12px;
}

/* ===== 子页面通用 page-hero ===== */
.page-hero {
  padding: 80px 0 60px;
  background: linear-gradient(135deg, #fff5f8 0%, #fff 100%);
  border-bottom: 1px solid var(--c-border-soft);
}
.page-hero .pg-eyebrow {
  display: inline-block; padding: 4px 12px;
  border-radius: 999px; font-size: 12px;
  font-weight: 700; letter-spacing: 1px;
  margin-bottom: 16px; background: #fff;
  border: 1px solid var(--c-border);
}
.page-hero h1 { font-size: 44px; font-weight: 800; letter-spacing: 2px; margin-bottom: 14px; }
.page-hero .pg-lead { font-size: 17px; color: var(--c-text-3); max-width: 720px; }

/* ===== 价格表 ===== */
.price-list {
  background: #fff; border-radius: var(--r-lg);
  padding: 32px; box-shadow: var(--shadow-sm);
  border: 1px solid var(--c-border-soft);
}
.price-row {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 18px 0; border-bottom: 1px dashed var(--c-border-soft); gap: 20px;
}
.price-row:last-child { border-bottom: 0; }
.price-row .pl-name { font-size: 16px; font-weight: 600; color: var(--c-text); margin-bottom: 4px; }
.price-row .pl-note { font-size: 13px; color: var(--c-text-mute); line-height: 1.6; }
.price-row .pl-price { flex-shrink: 0; text-align: right; }
.price-row .pl-price .num { font-size: 24px; font-weight: 800; color: var(--c-red); }
.price-row .pl-price .unit { font-size: 13px; color: var(--c-text-mute); margin-left: 2px; }

/* ===== 研学课程 ===== */
.course-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.course-card {
  border-radius: var(--r-lg); padding: 28px 26px;
  display: flex; flex-direction: column;
  position: relative; overflow: hidden;
  min-height: 320px; transition: transform .25s;
}
.course-card:hover { transform: translateY(-4px); }
.course-card.blue   { background: #E6F4FF; }
.course-card.green  { background: #E8F8EF; }
.course-card.purple { background: #F4F0FF; }
.course-card .age-tag {
  display: inline-block; padding: 4px 12px;
  border-radius: 999px; font-size: 12px;
  color: #fff; font-weight: 600;
  margin-bottom: 16px; width: fit-content;
}
.course-card.blue   .age-tag { background: var(--c-blue); }
.course-card.green  .age-tag { background: var(--c-green); }
.course-card.purple .age-tag { background: #722ED1; }
.course-card h3 { font-size: 22px; margin-bottom: 12px; font-weight: 800; }
.course-card p { font-size: 14px; color: var(--c-text-2); line-height: 1.7; flex: 1; margin-bottom: 20px; }
.course-card .price-line { display: flex; align-items: baseline; justify-content: space-between; border-top: 1px solid rgba(0,0,0,.06); padding-top: 16px; }
.course-card .price-line .num { font-size: 26px; font-weight: 800; }
.course-card.blue   .price-line .num { color: var(--c-blue); }
.course-card.green  .price-line .num { color: var(--c-green); }
.course-card.purple .price-line .num { color: #722ED1; }
.course-card .price-line .unit { font-size: 13px; color: var(--c-text-3); }
.course-card .price-line .group-price { display: block; font-size: 12px; color: var(--c-text-mute); margin-top: 2px; }
.course-card .buy-btn {
  background: #fff; padding: 8px 18px;
  border: 0; border-radius: 999px;
  font-size: 13px; font-weight: 700;
  font-family: inherit;
  cursor: pointer; transition: transform .15s;
}
.course-card.blue   .buy-btn { color: var(--c-blue); }
.course-card.green  .buy-btn { color: var(--c-green); }
.course-card.purple .buy-btn { color: #722ED1; }
.course-card .buy-btn:hover { transform: scale(1.05); }

/* ===== 服务列表（骑行） ===== */
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.service-item {
  background: #fff; border-radius: var(--r-md);
  padding: 24px 28px; display: flex; align-items: flex-start; gap: 18px;
  border: 1px solid var(--c-border-soft); transition: border-color .2s, transform .2s;
}
.service-item:hover { border-color: var(--c-blue); transform: translateY(-2px); }
.service-item .si-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: #e0eeff; color: var(--c-blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; flex-shrink: 0;
}
.service-item h4 { font-size: 16px; margin-bottom: 4px; font-weight: 700; }
.service-item p { font-size: 14px; color: var(--c-text-3); line-height: 1.6; }

/* ===== 商城商品 ===== */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.product-card {
  background: #fff; border-radius: var(--r-md); overflow: hidden;
  box-shadow: var(--shadow-sm); border: 1px solid var(--c-border-soft);
  transition: transform .25s, box-shadow .25s;
  display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.product-card .pc-img { aspect-ratio: 1 / 1; background: var(--c-bg-soft); overflow: hidden; position: relative; }
.product-card .pc-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.product-card:hover .pc-img img { transform: scale(1.06); }
.product-card .pc-tag {
  position: absolute; top: 12px; left: 12px;
  padding: 3px 10px; border-radius: 999px;
  font-size: 11px; color: #fff; font-weight: 600;
}
.tag-green  { background: var(--c-green); }
.tag-orange { background: var(--c-orange); }
.tag-blue   { background: var(--c-blue); }
.tag-red    { background: var(--c-red); }
.product-card .pc-body { padding: 16px; flex: 1; display: flex; flex-direction: column; }
.product-card h4 { font-size: 15px; font-weight: 700; margin-bottom: 6px; line-height: 1.4; }
.product-card .pc-mat { font-size: 12px; color: var(--c-text-mute); line-height: 1.5; margin-bottom: 12px; flex: 1; }
.product-card .pc-foot { display: flex; align-items: baseline; justify-content: space-between; }
.product-card .pc-price { font-size: 20px; font-weight: 800; color: var(--c-red); }
.product-card .pc-unit { font-size: 12px; color: var(--c-text-mute); }
.product-card .pc-buy {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--c-orange); color: #fff;
  font-size: 18px;
  border: 0; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: transform .15s, box-shadow .15s;
  box-shadow: 0 4px 10px rgba(255,140,0,.3);
}
.product-card .pc-buy:hover { transform: scale(1.1); box-shadow: 0 6px 14px rgba(255,140,0,.45); }
.product-card .pc-buy:active { transform: scale(.95); }

.cat-tabs {
  display: flex; gap: 12px; margin-bottom: 32px; flex-wrap: wrap;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.cat-tabs::-webkit-scrollbar { display: none; }
.cat-tab { white-space: nowrap; flex-shrink: 0; }
.cat-tab {
  padding: 10px 20px; border-radius: 999px;
  background: #fff; border: 1px solid var(--c-border);
  font-size: 14px; font-weight: 600; color: var(--c-text-2);
  cursor: pointer; transition: all .2s;
}
.cat-tab:hover { border-color: var(--c-orange); color: var(--c-orange); }
.cat-tab.active { background: var(--c-orange); color: #fff; border-color: var(--c-orange); }

/* ===== 打卡点位 ===== */
.checkin-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.ci-card {
  display: grid; grid-template-columns: 200px 1fr;
  background: #fff; border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--c-border-soft);
  box-shadow: var(--shadow-sm);
  transition: transform .25s, box-shadow .25s;
}
.ci-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.ci-card .ci-img { background: var(--c-bg-soft); overflow: hidden; }
.ci-card .ci-img img { width: 100%; height: 100%; object-fit: cover; }
.ci-card .ci-body { padding: 22px 24px; display: flex; flex-direction: column; justify-content: center; }
.ci-card h3 { font-size: 18px; margin-bottom: 8px; }
.ci-card .ci-loc { font-size: 13px; color: var(--c-text-3); margin-bottom: 12px; line-height: 1.6; }
.ci-card .ci-tag {
  display: inline-block; padding: 4px 12px;
  background: #E8F3FF; color: var(--c-blue);
  border-radius: 6px; font-size: 12px; font-weight: 600; width: fit-content;
}

/* ===== 攻略 Tab ===== */
.tabs {
  display: flex; gap: 0; border-bottom: 1px solid var(--c-border);
  margin-bottom: 28px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tab-btn {
  padding: 14px 24px; background: transparent; border: 0;
  border-bottom: 3px solid transparent;
  font-size: 15px; font-weight: 600;
  color: var(--c-text-3); cursor: pointer;
  margin-bottom: -1px; transition: all .2s;
  white-space: nowrap;
  flex-shrink: 0;
}
.tab-btn:hover { color: var(--c-red); }
.tab-btn.active { color: var(--c-red); border-bottom-color: var(--c-red); }
.tab-panel { display: none; background: #fff; border-radius: var(--r-md); padding: 28px 32px; box-shadow: var(--shadow-sm); }
.tab-panel.active { display: block; }
.tab-panel ol { padding-left: 22px; color: var(--c-text-2); font-size: 15px; line-height: 1.9; }
.tab-panel ol li { margin-bottom: 10px; }

/* ===== 亮点 ===== */
.highlight-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.hl-card {
  background: #fff; border-radius: var(--r-md);
  padding: 26px; border: 1px solid var(--c-border-soft);
}
.hl-card .hl-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 14px;
}
.hl-card.green  .hl-icon { background: #e3f5ec; color: var(--c-green); }
.hl-card.orange .hl-icon { background: #ffeed4; color: var(--c-orange); }
.hl-card.red    .hl-icon { background: #ffe9e9; color: var(--c-red); }
.hl-card.blue   .hl-icon { background: #e0eeff; color: var(--c-blue); }
.hl-card h4 { font-size: 17px; margin-bottom: 6px; }
.hl-card p { font-size: 14px; color: var(--c-text-3); line-height: 1.7; }

/* ===== 响应式 ===== */

/* 平板 / 中等屏 (≤ 980px) */
@media (max-width: 980px) {
  .nav-links {
    display: none; position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; flex-direction: column; padding: 12px 20px; gap: 0;
    border-bottom: 1px solid var(--c-border-soft); box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 8px; border-radius: 0; border-bottom: 1px solid var(--c-border-soft); }
  .nav-links a:last-child { border-bottom: 0; }
  .nav-links .nav-cta { margin-top: 6px; text-align: center; border-bottom: 0 !important; }
  .nav-toggle { display: block; }

  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 56px 0 60px; }
  .hero h1 { font-size: 40px; letter-spacing: 1px; }
  .hero .lead { font-size: 16px; }

  .split-2 { grid-template-columns: 1fr; gap: 28px; }
  .grid-3 { grid-template-columns: 1fr; }

  .modules { grid-template-columns: repeat(2, 1fr); }
  .exhibits { grid-template-columns: 1fr; }
  .course-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .checkin-grid { grid-template-columns: 1fr; }
  .ci-card { grid-template-columns: 140px 1fr; }
  .checkin-band { grid-template-columns: 1fr; padding: 36px 28px; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .section-head h2 { font-size: 28px; }
  .page-hero h1 { font-size: 32px; letter-spacing: 1px; }
  section { padding: 56px 0; }
  .service-grid { grid-template-columns: 1fr; }
  .highlight-grid { grid-template-columns: 1fr; }
}

/* 手机端 (≤ 768px) */
@media (max-width: 768px) {
  .container { padding: 0 18px; }

  .nav { height: 64px; }
  .brand img { width: 40px; height: 40px; }
  .brand-text .b-main { font-size: 15px; }
  .brand-text .b-sub  { display: none; }

  .nav-links { top: 64px; }

  .hero { padding: 40px 0 48px; }
  .hero h1 { font-size: 32px; line-height: 1.2; }
  .hero .hero-tag { font-size: 12px; padding: 5px 12px; }
  .hero .lead { font-size: 15px; line-height: 1.7; }
  .hero-cta .btn { padding: 12px 22px; font-size: 14px; }
  .hero-stats { gap: 18px; margin-top: 28px; padding-top: 22px; flex-wrap: wrap; }
  .hero-stats > div { flex: 1 1 40%; }
  .hero-stats .num { font-size: 22px; }
  .hero-stats .lbl { font-size: 12px; }

  .hero-art .float-card { font-size: 12px; padding: 10px 14px; }

  section { padding: 44px 0; }
  .section-head { margin-bottom: 28px; }
  .section-head h2 { font-size: 24px; letter-spacing: .5px; }
  .section-head p { font-size: 14px; }
  .section-head .eyebrow { font-size: 12px; letter-spacing: 1.5px; }

  .page-hero { padding: 48px 0 36px; }
  .page-hero h1 { font-size: 26px; line-height: 1.25; }
  .page-hero .pg-lead { font-size: 14px; line-height: 1.7; }

  .modules { grid-template-columns: 1fr; gap: 16px; }
  .mod-card { padding: 24px 22px; }
  .mod-card h3 { font-size: 19px; }
  .mod-card .mc-sub { font-size: 13px; min-height: auto; margin-bottom: 16px; }

  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .product-card h4 { font-size: 14px; }
  .product-card .pc-mat { font-size: 11px; }
  .product-card .pc-price { font-size: 17px; }
  .product-card .pc-body { padding: 12px; }

  .course-card { padding: 24px 22px; min-height: auto; }
  .course-card h3 { font-size: 19px; }
  .course-card p { font-size: 13px; }

  .ci-card { grid-template-columns: 1fr; }
  .ci-card .ci-img { aspect-ratio: 16 / 9; }

  .checkin-band { padding: 32px 24px; gap: 28px; }
  .checkin-band h2 { font-size: 24px; }
  .checkin-band p { font-size: 14px; }
  .checkin-band .ci-points span { font-size: 12px; padding: 6px 12px; }

  .price-list { padding: 22px 20px; }
  .price-row { gap: 14px; padding: 14px 0; }
  .price-row .pl-name { font-size: 15px; }
  .price-row .pl-note { font-size: 12px; }
  .price-row .pl-price .num { font-size: 20px; }

  .tab-panel { padding: 22px 20px; }
  .tab-panel ol { font-size: 14px; line-height: 1.8; padding-left: 18px; }
  .tab-btn { padding: 12px 16px; font-size: 14px; }

  .service-item { padding: 18px 20px; gap: 14px; }
  .service-item .si-icon { width: 38px; height: 38px; font-size: 18px; }
  .service-item h4 { font-size: 15px; }
  .service-item p { font-size: 13px; }

  .hl-card { padding: 22px 20px; }
  .hl-card h4 { font-size: 16px; }
  .hl-card p { font-size: 13px; }

  .ex-body { padding: 18px 20px; }
  .ex-body h3 { font-size: 17px; }
  .ex-body p { font-size: 13px; }

  .foot-grid { grid-template-columns: 1fr; gap: 28px; margin-bottom: 28px; }
  .site-footer { padding: 48px 0 24px; }
}

/* 小屏幕手机 (≤ 420px) */
@media (max-width: 420px) {
  .container { padding: 0 14px; }
  .hero h1 { font-size: 26px; }
  .page-hero h1 { font-size: 22px; }
  .section-head h2 { font-size: 22px; }
  .product-grid { gap: 12px; }
  .checkin-band { padding: 26px 20px; }
  .checkin-band h2 { font-size: 20px; }
  .nav-cta { padding: 8px 14px; font-size: 13px; }
  .hero-art { aspect-ratio: 5 / 4; }
  .hero-art .float-card.fc-1 { top: 14px; left: 14px; }
  .hero-art .float-card.fc-2 { bottom: 14px; right: 14px; }
}

/* ============================================================
   交互组件：模态框 / Toast / 购物车 / 打卡动画
   ============================================================ */

/* Toast 提示 */
.toast {
  position: fixed; top: 90px; left: 50%;
  transform: translate(-50%, -20px);
  background: #1a1d23; color: #fff;
  padding: 12px 22px; border-radius: 999px;
  font-size: 14px; font-weight: 600;
  z-index: 9999; opacity: 0;
  transition: opacity .3s, transform .3s;
  pointer-events: none;
  box-shadow: 0 10px 30px rgba(0,0,0,.18);
  max-width: 92vw;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.success { background: var(--c-green); }
.toast.error { background: var(--c-red); }

/* Modal */
.modal-mask {
  position: fixed; inset: 0;
  background: rgba(15, 23, 42, .55);
  z-index: 9000; display: none;
  align-items: center; justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
}
.modal-mask.open { display: flex; }
.modal {
  background: #fff; border-radius: var(--r-lg);
  width: 100%; max-width: 460px;
  max-height: 92vh; overflow-y: auto;
  padding: 28px 28px 24px;
  box-shadow: 0 30px 60px rgba(0,0,0,.25);
  animation: modalIn .3s ease;
}
@keyframes modalIn {
  from { transform: translateY(20px) scale(.96); opacity: 0; }
  to   { transform: translateY(0) scale(1); opacity: 1; }
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.modal-header h3 { font-size: 20px; font-weight: 800; }
.modal-close {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--c-bg-soft); color: var(--c-text-3);
  font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
}
.modal-close:hover { background: #ffe9e9; color: var(--c-red); }
.modal-body { font-size: 14px; color: var(--c-text-2); line-height: 1.7; }
.modal-footer { margin-top: 22px; display: flex; gap: 10px; }
.modal-footer .btn { flex: 1; padding: 12px; font-size: 14px; }

/* 表单 */
.form-row { margin-bottom: 14px; }
.form-row label {
  display: block; font-size: 13px; font-weight: 600;
  color: var(--c-text); margin-bottom: 6px;
}
.form-row input, .form-row textarea, .form-row select {
  width: 100%; padding: 11px 14px;
  border: 1px solid var(--c-border);
  border-radius: 10px; font-size: 14px;
  font-family: inherit;
  background: #fff; transition: border-color .2s;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  outline: 0; border-color: var(--c-red);
}
.form-row textarea { resize: vertical; min-height: 60px; }
.form-row .field-row { display: flex; gap: 10px; }
.form-row .field-row > * { flex: 1; }

/* 浮动购物车按钮 */
.cart-fab {
  position: fixed; bottom: 28px; right: 28px;
  width: 60px; height: 60px; border-radius: 50%;
  background: linear-gradient(135deg, var(--c-orange), #ff6e1a);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  box-shadow: 0 10px 26px rgba(255,140,0,.42);
  cursor: pointer; z-index: 800;
  transition: transform .25s;
  display: none;
}
.cart-fab.show { display: flex; }
.cart-fab:hover { transform: translateY(-4px); }
.cart-fab .badge {
  position: absolute; top: -4px; right: -4px;
  background: var(--c-red); color: #fff;
  min-width: 22px; height: 22px;
  border-radius: 999px; font-size: 12px;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  padding: 0 6px;
  border: 2px solid #fff;
}

/* 购物车面板 */
.cart-panel {
  position: fixed; top: 0; right: -440px;
  width: 100%; max-width: 420px; height: 100%;
  background: #fff; z-index: 9100;
  display: flex; flex-direction: column;
  box-shadow: -10px 0 30px rgba(0,0,0,.14);
  transition: right .3s ease;
}
.cart-panel.open { right: 0; }
.cart-panel .cp-head {
  padding: 22px 24px; border-bottom: 1px solid var(--c-border-soft);
  display: flex; justify-content: space-between; align-items: center;
}
.cart-panel .cp-head h3 { font-size: 19px; font-weight: 800; }
.cart-panel .cp-list { flex: 1; overflow-y: auto; padding: 20px 24px; }
.cart-panel .cp-empty {
  text-align: center; color: var(--c-text-mute);
  padding: 60px 0; font-size: 14px;
}
.cart-panel .cp-empty .ico { font-size: 60px; opacity: .35; margin-bottom: 14px; }
.cart-item {
  display: grid; grid-template-columns: 64px 1fr auto;
  gap: 14px; align-items: center;
  padding: 14px 0; border-bottom: 1px dashed var(--c-border-soft);
}
.cart-item img {
  width: 64px; height: 64px; border-radius: 10px; object-fit: cover;
  background: var(--c-bg-soft);
}
.cart-item .ci-info h4 { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
.cart-item .ci-info .ci-price { font-size: 13px; color: var(--c-red); font-weight: 700; }
.cart-item .ci-qty {
  display: flex; align-items: center; gap: 10px;
  background: var(--c-bg-soft); border-radius: 999px;
  padding: 4px 6px;
}
.cart-item .ci-qty button {
  width: 24px; height: 24px; border-radius: 50%;
  background: #fff; border: 1px solid var(--c-border);
  font-size: 14px; color: var(--c-text-2);
  display: flex; align-items: center; justify-content: center;
}
.cart-item .ci-qty span { font-size: 13px; font-weight: 700; min-width: 14px; text-align: center; }
.cart-panel .cp-foot {
  padding: 18px 24px;
  border-top: 1px solid var(--c-border-soft);
  background: #fff;
}
.cart-panel .cp-total {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 14px;
}
.cart-panel .cp-total .lbl { font-size: 14px; color: var(--c-text-3); }
.cart-panel .cp-total .num { font-size: 24px; font-weight: 800; color: var(--c-red); }

/* 加车飞行动画 */
@keyframes flyToCart {
  0%   { transform: scale(1); opacity: 1; }
  60%  { transform: scale(0.6) translate(40vw, 40vh); opacity: .9; }
  100% { transform: scale(0.2) translate(50vw, 60vh); opacity: 0; }
}
.fly-dot {
  position: fixed; width: 36px; height: 36px;
  border-radius: 50%; background: var(--c-orange);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 700;
  pointer-events: none; z-index: 9500;
  animation: flyToCart .8s cubic-bezier(.5, -.4, .9, .9);
}

/* 打卡成功庆祝 */
.celebrate {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  z-index: 9200; background: rgba(15, 23, 42, .55);
  backdrop-filter: blur(4px);
  display: none;
}
.celebrate.open { display: flex; }
.celebrate-card {
  background: #fff; border-radius: 24px;
  padding: 40px 36px; text-align: center;
  max-width: 360px;
  animation: celebrateIn .5s cubic-bezier(.34, 1.56, .64, 1);
  box-shadow: 0 30px 80px rgba(0,0,0,.3);
}
@keyframes celebrateIn {
  from { transform: scale(.5) rotate(-10deg); opacity: 0; }
  to   { transform: scale(1) rotate(0); opacity: 1; }
}
.celebrate-card .stamp {
  width: 100px; height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-red), #ff5a76);
  color: #fff; font-size: 50px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px;
  box-shadow: 0 12px 30px rgba(229,46,46,.35);
  animation: stampPulse 1.4s ease-in-out infinite;
}
@keyframes stampPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}
.celebrate-card h3 { font-size: 24px; font-weight: 800; margin-bottom: 8px; }
.celebrate-card p { font-size: 14px; color: var(--c-text-3); margin-bottom: 20px; line-height: 1.7; }
.celebrate-card .award {
  background: linear-gradient(135deg, #fff5e8, #fff);
  border: 1px dashed var(--c-orange);
  border-radius: 12px; padding: 12px 16px;
  font-size: 13px; color: var(--c-text-2);
  margin-bottom: 18px;
}
.celebrate-card .award strong { color: var(--c-orange); }

/* 五彩纸屑 */
.confetti {
  position: fixed; width: 8px; height: 14px;
  top: -10px; pointer-events: none; z-index: 9300;
  animation: fall 2.4s linear forwards;
}
@keyframes fall {
  to { transform: translateY(110vh) rotate(720deg); }
}

/* 打卡卡片可点击态 */
.ci-card { cursor: pointer; position: relative; }
.ci-card[data-checked="true"] { border-color: var(--c-green); }
.ci-card[data-checked="true"]::before {
  content: "✓ 已打卡"; position: absolute; top: 14px; right: 14px;
  background: var(--c-green); color: #fff;
  padding: 4px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 700; z-index: 5;
}

/* 打卡进度条 */
.checkin-progress {
  background: #fff; border-radius: var(--r-lg);
  padding: 22px 26px; margin-bottom: 28px;
  display: flex; align-items: center; gap: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--c-border-soft);
  flex-wrap: wrap;
}
.checkin-progress .cp-text {
  flex: 1; min-width: 200px;
}
.checkin-progress h4 { font-size: 16px; margin-bottom: 6px; }
.checkin-progress .cp-num {
  font-size: 28px; font-weight: 800; color: var(--c-red);
}
.checkin-progress .cp-num span { font-size: 16px; color: var(--c-text-mute); font-weight: 600; }
.checkin-progress .cp-bar {
  flex: 2; min-width: 200px;
  height: 12px; background: var(--c-bg-soft);
  border-radius: 999px; overflow: hidden;
}
.checkin-progress .cp-bar .fill {
  height: 100%; background: linear-gradient(90deg, var(--c-red), #ff7a8c);
  border-radius: 999px; transition: width .6s ease;
}

/* 我的页面 */
.profile-card {
  background: linear-gradient(135deg, #fff5f8 0%, #fff 100%);
  border-radius: var(--r-xl); padding: 32px 28px;
  display: flex; align-items: center; gap: 22px;
  border: 1px solid var(--c-pink);
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.profile-card .avatar {
  width: 72px; height: 72px; border-radius: 50%;
  background: linear-gradient(135deg, var(--c-red), #ff5a76);
  color: #fff; font-size: 28px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.profile-card .pf-info { flex: 1; min-width: 180px; }
.profile-card h2 { font-size: 22px; margin-bottom: 4px; }
.profile-card p { font-size: 13px; color: var(--c-text-3); }
.profile-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 14px; margin-bottom: 32px;
}
.stat-card {
  background: #fff; border-radius: var(--r-md);
  padding: 22px 18px; text-align: center;
  border: 1px solid var(--c-border-soft);
}
.stat-card .num {
  font-size: 28px; font-weight: 800; display: block;
  margin-bottom: 4px;
}
.stat-card.red    .num { color: var(--c-red); }
.stat-card.green  .num { color: var(--c-green); }
.stat-card.orange .num { color: var(--c-orange); }
.stat-card.blue   .num { color: var(--c-blue); }
.stat-card .lbl { font-size: 13px; color: var(--c-text-3); }

.record-section { margin-bottom: 32px; }
.record-section h3 {
  font-size: 18px; font-weight: 700; margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.record-list {
  background: #fff; border-radius: var(--r-md);
  border: 1px solid var(--c-border-soft);
  overflow: hidden;
}
.record-item {
  padding: 16px 20px; border-bottom: 1px solid var(--c-border-soft);
  display: flex; justify-content: space-between; align-items: center;
  gap: 14px; flex-wrap: wrap;
}
.record-item:last-child { border-bottom: 0; }
.record-item .ri-main h4 { font-size: 15px; margin-bottom: 4px; }
.record-item .ri-main .ri-meta { font-size: 12px; color: var(--c-text-mute); }
.record-item .ri-status {
  padding: 4px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600;
  background: var(--c-bg-soft); color: var(--c-text-2);
}
.record-item .ri-status.green { background: #e3f5ec; color: var(--c-green); }
.record-empty {
  padding: 40px 20px; text-align: center;
  color: var(--c-text-mute); font-size: 14px;
}

@media (max-width: 768px) {
  .profile-stats { grid-template-columns: repeat(2, 1fr); }
  .modal { padding: 22px 20px 18px; }
  .cart-fab { width: 52px; height: 52px; bottom: 20px; right: 20px; font-size: 22px; }
  .cart-fab .badge { min-width: 18px; height: 18px; font-size: 11px; }
  .celebrate-card { padding: 32px 24px; }
  .celebrate-card .stamp { width: 84px; height: 84px; font-size: 42px; }
}