/* Sky Edu Land 天空教育城 */
:root {
  --sky-900: #123B7A;
  --sky-700: #1E5BB8;
  --sky-500: #2F80ED;
  --sky-300: #7CCBFF;
  --sky-100: #DDF0FF;
  --sky-50: #F1F8FF;
  --sun: #FFC83D;
  --sun-50: #FFF6DB;
  --coral: #FF6B6B;
  --green: #12B76A;
  --ink: #17263C;
  --muted: #5B6B82;
  --line: #E1EAF5;
  --bg: #F7FBFF;
  --card: #FFFFFF;
  --radius: 18px;
  --shadow: 0 1px 2px rgba(18, 59, 122, .06), 0 8px 24px rgba(18, 59, 122, .08);
  --shadow-lg: 0 20px 50px rgba(18, 59, 122, .18);
  /* Chinese uses the device's own font, which has a real bold (PingFang / YaHei / Noto Sans CJK);
     ZCOOL KuaiLe has no bold, so it is only used for the logo text */
  --font: "Nunito", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, sans-serif;
  --font-display: var(--font);
  --wrap: 1180px;
  --site-header-height: 68px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg);
  font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--sky-500); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.25; margin: 0 0 .5em; letter-spacing: -.01em; }
:lang(zh) h1, :lang(zh) h2, :lang(zh) h3 { letter-spacing: .01em; }
h1 { font-size: clamp(30px, 5vw, 52px); font-weight: 900; }
h2 { font-size: clamp(24px, 3.4vw, 34px); font-weight: 900; }
h3 { font-size: 19px; font-weight: 800; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.center { text-align: center; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; border-radius: 999px; padding: 12px 22px; font-weight: 800; font-size: 16px;
  cursor: pointer; text-decoration: none !important; transition: transform .12s, box-shadow .12s, background .12s;
  white-space: nowrap; min-height: 46px;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--sky-500); color: #fff; box-shadow: 0 6px 16px rgba(47, 128, 237, .35); }
.btn-primary:hover { background: var(--sky-700); }
.btn-sun { background: var(--sun); color: #3D2A00; box-shadow: 0 6px 16px rgba(255, 200, 61, .45); }
.btn-sun:hover { background: #FFB800; }
.btn-ghost { background: #fff; color: var(--sky-700); border: 2px solid var(--sky-100); }
.btn-ghost:hover { border-color: var(--sky-300); }
.btn-danger { background: #FFECEC; color: #C02626; }
.btn-sm { padding: 7px 14px; min-height: 36px; font-size: 14px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }

/* ---------------------------------------------------------------- header */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 12px; height: var(--site-header-height); max-width: 1440px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none !important; flex-shrink: 0; }
.brand img { width: 44px; height: 44px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-zh { font-family: "ZCOOL KuaiLe", var(--font); font-weight: 400; font-synthesis: none; font-size: 21px; color: var(--sky-700); letter-spacing: .04em; }
.brand-en { font-weight: 900; font-size: 11.5px; letter-spacing: .2em; color: var(--sun); text-transform: uppercase; -webkit-text-stroke: .2px #C98A00; }
.nav { display: flex; align-items: center; flex-shrink: 0; gap: 2px; }
.nav a { color: var(--ink); font-weight: 700; padding: 8px 10px; border-radius: 10px; text-decoration: none; white-space: nowrap; }
.nav a:hover, .nav a.active { background: var(--sky-50); color: var(--sky-700); }
.header-right { margin-left: auto; display: flex; align-items: center; flex-shrink: 0; gap: 8px; }
.lang-switch { display: flex; background: var(--sky-50); border-radius: 999px; padding: 3px; }
.lang-switch button { border: 0; background: none; padding: 5px 10px; border-radius: 999px; font-weight: 800; font-size: 13px; cursor: pointer; color: var(--muted); }
.lang-switch button.on { background: #fff; color: var(--sky-700); box-shadow: 0 1px 4px rgba(0, 0, 0, .1); }
.lang-switch a { padding: 5px 10px; border-radius: 999px; font-weight: 800; font-size: 13px; color: var(--muted); text-decoration: none; }
.lang-switch a.on { background: #fff; color: var(--sky-700); box-shadow: 0 1px 4px rgba(0, 0, 0, .1); }
.icon-btn {
  position: relative; width: 44px; height: 44px; border-radius: 12px; border: 0; background: var(--sky-50);
  display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; cursor: pointer; color: var(--sky-700);
}
.icon-btn svg { width: 22px; height: 22px; flex-shrink: 0; }
.badge {
  position: absolute; top: -4px; right: -4px; min-width: 20px; height: 20px; padding: 0 5px; border-radius: 999px;
  background: var(--coral); color: #fff; font-size: 12px; font-weight: 900; display: flex; align-items: center; justify-content: center;
}
.badge[hidden] { display: none; }
.nav-lang { display: none; }
@media (max-width: 400px) {
  .icon-btn, .account-btn { width: 40px; height: 40px; }
  .header-right { gap: 6px; }
  .brand img { width: 34px; height: 34px; }
  .brand-zh { font-size: 16px; }
}
@media (max-width: 340px) { .site-header .brand-text { display: none; } }
.notif-panel {
  position: fixed; z-index: 60; top: calc(var(--site-header-height) + 4px); right: 16px; width: min(360px, calc(100vw - 32px)); max-height: 70vh; overflow-y: auto;
  background: #fff; border-radius: 16px; box-shadow: var(--shadow-lg); border: 1px solid var(--line);
}
.notif-head { font-weight: 900; padding: 14px 16px 10px; border-bottom: 1px solid var(--line); }
.notif-item { display: flex; flex-direction: column; gap: 4px; padding: 12px 16px; border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none !important; }
.notif-item:hover { background: var(--sky-50); }
.notif-item.unread { background: var(--sun-50); }
.notif-item.unread span:first-child { font-weight: 800; }
.account-btn { width: auto; padding: 0 12px; gap: 6px; text-decoration: none !important; font-weight: 800; font-size: 14px; }
.account-btn.on { background: var(--sky-100); }
.account-label { max-width: 110px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 1360px) { .account-btn { width: 44px; padding: 0; } .account-label { display: none; } }
.tabs { display: grid; grid-template-columns: 1fr 1fr; background: var(--sky-50); border-radius: 14px; padding: 4px; margin-bottom: 18px; }
.tabs button { border: 0; background: none; padding: 10px; border-radius: 10px; font-weight: 800; cursor: pointer; color: var(--muted); }
.tabs button.on { background: #fff; color: var(--sky-700); box-shadow: 0 1px 4px rgba(0, 0, 0, .1); }
/* 全科套装 */
.bundle-card .card-media { background: linear-gradient(160deg, #FFF6DB, #FFE7A8); }
.stack5 img {
  position: absolute; top: 18%; height: 66%; width: auto; border-radius: 4px; border: 2px solid #fff; box-shadow: 0 6px 16px rgba(120, 80, 0, .25);
  left: calc(50% - 21% + (var(--i) - (var(--n) - 1) / 2) * 15%);
  transform: rotate(calc((var(--i) - (var(--n) - 1) / 2) * 6deg)); z-index: calc(10 - (var(--i) - 2) * (var(--i) - 2));
}
.tag-bundle { background: #FFF1D6; color: #8A5A00; }
.bundle-gallery { cursor: default; background: linear-gradient(160deg, #FFF6DB, #FFE7A8); }
.stack5.big { position: absolute; inset: 0; }
.stack5.big img { top: 22%; height: 56%; }
.bundle-books { display: grid; gap: 12px; }
.bundle-books a { display: grid; grid-template-columns: 72px 1fr; gap: 14px; align-items: start; color: var(--ink); text-decoration: none; padding: 10px; border-radius: 14px; }
.bundle-books a:hover { background: var(--sky-50); }
.bundle-books img { border-radius: 4px; box-shadow: var(--shadow); }
.bundle-books div { display: flex; flex-direction: column; gap: 3px; }
.bundle-section { background: linear-gradient(180deg, var(--bg), #FFF8E6 30%, #FFF8E6 70%, var(--bg)); }
.owned-btn { background: #E7F8EF; color: #067647; border: 0; }
.owned-btn:hover { background: #D1F2E0; }
.tag-version { background: #F1F3F8; color: #44516A; }
.tag-new { background: #FFF1D6; color: #8A5A00; }
.owned-chip { display: inline-flex; align-items: center; gap: 4px; background: #E7F8EF; color: #067647; font-weight: 800; font-size: 12px; padding: 2px 9px; border-radius: 999px; }
.menu-btn { display: none; }
@media (max-width: 1360px) {
  .nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; flex-direction: column;
    align-items: stretch; padding: 8px 16px 16px; margin: 0; border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
    max-height: calc(100dvh - var(--site-header-height)); overflow-y: auto;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px; white-space: normal; }
  .menu-btn { display: inline-flex; }
  .brand-zh { font-size: 18px; }
  .brand img { width: 38px; height: 38px; }
}
@media (max-width: 400px) { .account-btn { width: 40px; height: 40px; } }
@media (max-width: 420px) {
  .brand-en { display: none; }
  .lang-switch button { padding: 5px 7px; }
  .site-header .wrap { gap: 8px; }
}

@media (max-width: 640px) {
  /* Give the full bilingual logo its own row and keep language buttons visible. */
  :root { --site-header-height: 108px; }
  .site-header .wrap { flex-direction: column; align-items: stretch; gap: 6px; padding: 8px 12px; }
  .site-header .brand { justify-content: center; height: 42px; }
  .header-right { width: 100%; min-height: 44px; margin-left: 0; gap: 6px; }
  .site-header .top-lang { display: flex; flex-shrink: 0; margin-right: auto; padding: 2px; }
  .site-header .top-lang button, .site-header .top-lang a {
    display: flex; align-items: center; justify-content: center; width: 34px; min-height: 40px; padding: 5px 0;
  }
  .notif-panel { max-height: min(70vh, calc(100dvh - var(--site-header-height) - 20px)); }
}

/* ---------------------------------------------------------------- hero */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, #CDEBFF 0%, #E9F6FF 55%, var(--bg) 100%);
}
.hero .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 1fr; gap: 32px; align-items: center; padding-top: 56px; padding-bottom: 72px; }
.hero h1 { font-size: clamp(28px, 4.2vw, 48px); text-wrap: balance; }
.hero h1 > span:first-child { word-break: keep-all; }
.hero h1 .hl { color: var(--sky-500); position: relative; white-space: nowrap; }
.hero h1 .hl::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: .02em; height: .28em; background: var(--sun); opacity: .55; z-index: -1; border-radius: 6px;
}
.hero-lead { font-size: clamp(16px, 2vw, 19px); color: #33465F; max-width: 34em; }
.pill {
  display: inline-flex; align-items: center; gap: 6px; background: #fff; color: var(--sky-700); font-weight: 800;
  font-size: 13px; padding: 6px 12px; border-radius: 999px; box-shadow: var(--shadow); margin-bottom: 16px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 20px; }
.trust { display: flex; flex-wrap: wrap; gap: 8px 18px; padding: 0; margin: 0; list-style: none; font-weight: 700; color: #33465F; font-size: 15px; }
.trust li::before { content: "✓"; color: var(--green); font-weight: 900; margin-right: 6px; }
.kw-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 0; }
.kw-tags span {
  font-size: 13px; font-weight: 800; padding: 4px 10px; border-radius: 8px; background: rgba(255, 255, 255, .75);
  color: var(--sky-700); border: 1px solid var(--sky-100);
}
.stat-strip { background: var(--sky-900); color: #fff; }
.stat-strip .wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; padding-top: 18px; padding-bottom: 18px; text-align: center; }
.stat-strip b { display: block; font-family: var(--font-display); font-size: clamp(24px, 4vw, 34px); color: var(--sun); line-height: 1.1; }
.stat-strip span { font-size: 13px; font-weight: 700; color: #C9DBF5; }
.uasa-box {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 28px; align-items: center; padding: 32px;
  background: linear-gradient(135deg, var(--sun-50), #FFF0C2); border-radius: 28px; border: 2px solid #FFE08A;
}
.uasa-covers { position: relative; display: flex; justify-content: center; padding: 10px 0; }
.uasa-covers a { width: 34%; margin: 0 -4%; transform: rotate(var(--r)); transition: transform .2s; }
.uasa-covers a:hover { transform: rotate(0) translateY(-6px); z-index: 2; }
.uasa-covers img { border-radius: 8px; border: 4px solid #fff; box-shadow: 0 12px 28px rgba(120, 80, 0, .25); }
@media (max-width: 760px) { .uasa-box { grid-template-columns: 1fr; padding: 22px; } .uasa-covers { order: -1; } }
.hero-art { position: relative; min-height: 420px; }
.hero-photo {
  position: absolute; inset: 0 0 0 8%; border-radius: 32px; overflow: hidden; box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, #7CCBFF, #2F80ED);
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; }
.fan { position: absolute; inset: 0; }
.fan img {
  position: absolute; width: 36%; border-radius: 12px; box-shadow: 0 16px 36px rgba(18, 59, 122, .28);
  border: 4px solid #fff; transition: transform .3s;
}
.hero-art.has-photo .fan img { width: 30%; }
.cloud { position: absolute; background: #fff; border-radius: 999px; opacity: .9; }
.cloud::before, .cloud::after { content: ""; position: absolute; background: #fff; border-radius: 50%; }
.cloud.c1 { width: 120px; height: 36px; top: 30px; left: 48%; }
.cloud.c1::before { width: 56px; height: 56px; top: -28px; left: 18px; }
.cloud.c1::after { width: 40px; height: 40px; top: -18px; left: 62px; }
.cloud.c2 { width: 90px; height: 28px; top: 120px; right: 4%; opacity: .7; }
.cloud.c2::before { width: 42px; height: 42px; top: -22px; left: 14px; }
.cloud.c2::after { width: 30px; height: 30px; top: -12px; left: 46px; }
@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; padding-top: 32px; padding-bottom: 40px; }
  .hero-art { min-height: 0; aspect-ratio: 16 / 10; order: -1; }
  .hero-photo { inset: 0; }
}

/* ---------------------------------------------------------------- sections */
.section { padding: 64px 0; }
.section-tight { padding: 40px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.section-head p { margin: 0; color: var(--muted); }
.kicker { font-weight: 900; color: var(--sky-500); text-transform: uppercase; letter-spacing: .12em; font-size: 13px; margin-bottom: 6px; }
.band { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

/* 孩子读几年级 — one colour per year */
.grade-picker { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.grade-card {
  position: relative; overflow: hidden; display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 18px 8px 14px; border-radius: 20px; color: #fff; text-decoration: none !important;
  background: linear-gradient(155deg, var(--g1), var(--g2));
  box-shadow: 0 10px 22px -12px var(--g2), inset 0 -3px 0 rgba(0, 0, 0, .08);
  transition: transform .18s, box-shadow .18s;
}
.grade-card::before, .grade-card::after { content: ""; position: absolute; border-radius: 50%; background: rgba(255, 255, 255, .18); }
.grade-card::before { width: 74px; height: 74px; top: -26px; right: -18px; }
.grade-card::after { width: 40px; height: 40px; bottom: -14px; left: -10px; background: rgba(255, 255, 255, .12); }
.grade-card:hover { transform: translateY(-4px); box-shadow: 0 16px 28px -12px var(--g2); }
.grade-card .g-num { position: relative; font-family: var(--font-display); font-size: 46px; font-weight: 900; line-height: 1; text-shadow: 0 2px 0 rgba(0, 0, 0, .1); }
.grade-card .g-label { position: relative; font-weight: 900; font-size: 15px; }
.grade-card .g-sub {
  position: relative; margin-top: 6px; font-size: 12px; font-weight: 800; padding: 2px 10px; border-radius: 999px;
  background: rgba(255, 255, 255, .22);
}
@media (max-width: 640px) {
  .grade-picker { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .grade-card .g-num { font-size: 38px; }
}

/* 五大科目 — colour bar, what's inside, real covers */
.subjects { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.subject-card {
  position: relative; display: flex; flex-direction: column; gap: 10px; padding: 18px 18px 0; border-radius: var(--radius);
  background: #fff; color: var(--ink); text-decoration: none !important; box-shadow: var(--shadow); overflow: hidden;
  border-top: 5px solid var(--c); transition: transform .18s, box-shadow .18s;
}
.subject-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.subj-head { display: flex; align-items: center; gap: 12px; }
.subj-head h3 { margin: 0; font-size: 20px; }
.subject-icon {
  flex-shrink: 0; width: 46px; height: 46px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 900; font-size: 16px; font-family: var(--font-display);
}
.subject-card .count { font-size: 13px; color: var(--muted); font-weight: 800; }
.subj-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 3px; font-size: 13px; color: #44516A; font-weight: 700; flex: 1; }
.subj-list li { padding-left: 14px; position: relative; }
.subj-list li::before { content: ""; position: absolute; left: 0; top: .55em; width: 6px; height: 6px; border-radius: 50%; background: var(--c); }
.subj-covers {
  position: relative; height: 112px; margin: 4px -18px 0; background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--c) 12%, transparent));
}
.subj-covers img {
  position: absolute; bottom: -16px; width: 70px; border-radius: 4px; box-shadow: 0 6px 14px rgba(18, 59, 122, .25); border: 2px solid #fff;
  left: calc(50% - 35px + (var(--i) - (var(--n) - 1) / 2) * 44px);
  transform: rotate(calc((var(--i) - (var(--n) - 1) / 2) * 9deg)); transition: transform .2s;
}
.subj-covers img:nth-child(2) { z-index: 2; bottom: -6px; }
.subject-card:hover .subj-covers img { transform: rotate(0) translateY(-6px); }
.subj-go {
  position: absolute; top: 18px; right: 14px; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-weight: 900; color: var(--c); background: color-mix(in srgb, var(--c) 12%, white); transition: transform .18s;
}
.subject-card:hover .subj-go { transform: translateX(3px); }
@media (max-width: 1000px) { .subjects { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) {
  .subjects { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .subject-card { padding: 14px 14px 0; }
  .subj-head h3 { font-size: 17px; }
  .subject-icon { width: 38px; height: 38px; font-size: 14px; }
  .subj-covers { margin: 4px -14px 0; height: 84px; }
  .subj-covers img { width: 50px; left: calc(50% - 25px + (var(--i) - (var(--n) - 1) / 2) * 32px); }
  .subj-go { display: none; }
}

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: step; }
.step { background: #fff; border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); position: relative; }
.step::before {
  counter-increment: step; content: counter(step); display: flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 50%; background: var(--sun); color: #3D2A00; font-weight: 900; font-size: 20px; margin-bottom: 12px;
}
.step p { margin: 0; color: var(--muted); }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }

.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature { padding: 20px; border-radius: var(--radius); background: var(--sky-50); }
.feature .emoji { font-size: 30px; line-height: 1; margin-bottom: 10px; }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }
@media (max-width: 900px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .features { grid-template-columns: 1fr; } }

.photos { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 14px; }
.photos figure { margin: 0; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 3; background: var(--sky-100); }
.photos figure:first-child { grid-row: span 2; aspect-ratio: auto; }
.photos img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 760px) {
  .photos { grid-template-columns: 1fr 1fr; }
  .photos figure:first-child { grid-column: span 2; grid-row: auto; aspect-ratio: 16 / 10; }
}

/* ---------------------------------------------------------------- product cards */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px; }
@media (max-width: 520px) { .grid { grid-template-columns: repeat(2, 1fr); gap: 12px; } }
.card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden;
  display: flex; flex-direction: column; transition: transform .15s, box-shadow .15s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.card-media {
  position: relative; display: block; aspect-ratio: 1 / 1; background: linear-gradient(160deg, var(--sky-50), var(--sky-100));
  overflow: hidden;
}
.card-media img.single { position: absolute; left: 50%; top: 10%; height: 90%; width: auto; transform: translateX(-50%); box-shadow: 0 8px 24px rgba(18, 59, 122, .25); border-radius: 4px; }
.card-media .stack img { position: absolute; top: 14%; height: 78%; width: auto; border-radius: 4px; box-shadow: 0 8px 20px rgba(18, 59, 122, .25); }
.card-media .stack img:nth-child(1) { left: 6%; transform: rotate(-7deg); }
.card-media .stack img:nth-child(2) { left: 50%; transform: translateX(-50%); z-index: 2; top: 10%; }
.card-media .stack img:nth-child(3) { right: 6%; transform: rotate(7deg); }
.ribbon {
  position: absolute; z-index: 3; top: 10px; left: 10px; background: var(--coral); color: #fff; font-weight: 900; font-size: 12px;
  padding: 3px 10px; border-radius: 999px;
}
.card-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card-body h3 { font-size: 17px; margin: 0; }
.card-body h3 a { color: var(--ink); }
.tag {
  display: inline-flex; align-items: center; gap: 4px; align-self: flex-start; font-size: 12px; font-weight: 800; padding: 2px 9px;
  border-radius: 999px; background: var(--sky-50); color: var(--sky-700);
}
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.price { font-weight: 900; font-size: 20px; color: var(--ink); }
.price small { font-size: 13px; font-weight: 700; color: var(--muted); }
.price s { color: var(--muted); font-weight: 700; font-size: 14px; margin-left: 6px; }
.card-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 8px; padding-top: 6px; }
@media (max-width: 520px) {
  .card-body { padding: 10px 12px 12px; }
  .card-body h3 { font-size: 15px; }
  .price { font-size: 17px; }
  .card-foot { flex-direction: column; align-items: stretch; }
}

/* ---------------------------------------------------------------- filters */
.filters { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.chips { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex-shrink: 0; border: 2px solid var(--line); background: #fff; border-radius: 999px; padding: 7px 14px; font-weight: 800;
  font-size: 14px; cursor: pointer; color: var(--ink);
}
.chip.on { border-color: var(--sky-500); background: var(--sky-500); color: #fff; }
.filter-label { font-size: 13px; font-weight: 800; color: var(--muted); margin-right: 4px; align-self: center; flex-shrink: 0; }

/* ---------------------------------------------------------------- product page */
.product { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; padding: 32px 0 48px; align-items: start; }
.product > *, .cart-layout > *, .hero .wrap > * { min-width: 0; }
@media (max-width: 860px) { .product { grid-template-columns: 1fr; gap: 20px; padding-top: 16px; } }
.gallery-main {
  position: relative; background: linear-gradient(160deg, var(--sky-50), var(--sky-100)); border-radius: 24px; aspect-ratio: 1 / 1.05;
  display: flex; align-items: center; justify-content: center; overflow: hidden; cursor: zoom-in;
}
.gallery-main img { max-height: 92%; max-width: 92%; width: auto; border-radius: 6px; box-shadow: 0 12px 30px rgba(18, 59, 122, .22); }
.gallery-main .hint {
  position: absolute; bottom: 12px; right: 12px; background: rgba(23, 38, 60, .75); color: #fff; font-size: 12px; font-weight: 800;
  padding: 4px 10px; border-radius: 999px;
}
.thumbs { display: flex; gap: 10px; overflow-x: auto; padding: 12px 2px 4px; scroll-snap-type: x mandatory; }
.thumbs button {
  flex: 0 0 72px; height: 96px; padding: 0; border: 3px solid transparent; border-radius: 10px; overflow: hidden; background: #fff;
  cursor: pointer; scroll-snap-align: start; box-shadow: var(--shadow);
}
.thumbs button.on { border-color: var(--sky-500); }
.thumbs img { width: 100%; height: 100%; object-fit: contain; object-position: top; }
.thumbs .locked {
  display: flex; flex-direction: column; align-items: center; justify-content: center; background: var(--sky-50); color: var(--sky-700);
  font-size: 11px; font-weight: 800; line-height: 1.2; text-align: center; padding: 4px;
}
.product-info .tags { margin-bottom: 10px; }
.product-info h1 { font-size: clamp(26px, 4vw, 38px); margin-bottom: 6px; }
.grade-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }
.grade-tabs a {
  min-width: 52px; text-align: center; padding: 8px 12px; border-radius: 12px; border: 2px solid var(--line); font-weight: 800;
  color: var(--ink); text-decoration: none; background: #fff;
}
.grade-tabs a.on { border-color: var(--sky-500); background: var(--sky-50); color: var(--sky-700); }
.grade-tabs a.set { border-style: dashed; border-color: var(--sun); }
.grade-tabs a.set.on { background: var(--sun-50); color: #8A5A00; border-style: solid; }
.buybox { background: #fff; border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); margin: 18px 0; }
.buybox .price { font-size: 32px; }
.buybox .save { display: inline-block; background: #E7F8EF; color: #067647; font-weight: 800; font-size: 13px; padding: 3px 10px; border-radius: 999px; margin-left: 8px; vertical-align: middle; }
.buybox .actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.checklist li { padding-left: 28px; position: relative; }
.checklist li::before {
  content: "✓"; position: absolute; left: 0; top: 2px; width: 20px; height: 20px; border-radius: 50%; background: #E7F8EF; color: var(--green);
  font-weight: 900; font-size: 12px; display: flex; align-items: center; justify-content: center;
}
.info-block { background: #fff; border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); margin-bottom: 18px; }
.info-block h3 { margin-bottom: 12px; }
.set-books { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.set-books a { color: var(--ink); text-decoration: none; font-size: 14px; }
.set-books img { border-radius: 6px; box-shadow: var(--shadow); margin-bottom: 6px; }
@media (max-width: 520px) { .set-books { grid-template-columns: repeat(3, 1fr); gap: 8px; } .set-books span { font-size: 12px; } }
.edition-switch { font-size: 14px; font-weight: 700; }

/* sticky mobile buy bar */
.buybar {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; background: #fff; border-top: 1px solid var(--line);
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); box-shadow: 0 -6px 20px rgba(18, 59, 122, .1);
  align-items: center; gap: 10px;
}
.buybar .price { font-size: 20px; margin-right: auto; }
@media (max-width: 860px) { .buybar.show { display: flex; } body.has-buybar { padding-bottom: 76px; } }

/* lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 100; background: rgba(10, 20, 35, .92); display: flex; align-items: center; justify-content: center;
  touch-action: pan-y;
}
.lightbox img { max-width: 94vw; max-height: 86vh; border-radius: 6px; user-select: none; -webkit-user-drag: none; }
.lightbox .lb-close, .lightbox .lb-prev, .lightbox .lb-next {
  position: absolute; border: 0; background: rgba(255, 255, 255, .15); color: #fff; width: 48px; height: 48px; border-radius: 50%;
  font-size: 24px; cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.lightbox .lb-close { top: 16px; right: 16px; }
.lightbox .lb-prev { left: 12px; top: 50%; transform: translateY(-50%); }
.lightbox .lb-next { right: 12px; top: 50%; transform: translateY(-50%); }
.lightbox .lb-count { position: absolute; bottom: 18px; left: 0; right: 0; text-align: center; color: #fff; font-weight: 800; }

/* ---------------------------------------------------------------- forms */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { font-weight: 800; font-size: 14px; }
.input {
  width: 100%; border: 2px solid var(--line); border-radius: 12px; padding: 11px 14px; background: #fff; font-size: 16px; min-height: 46px;
}
.input:focus { outline: none; border-color: var(--sky-500); box-shadow: 0 0 0 4px rgba(47, 128, 237, .15); }
.input.err { border-color: var(--coral); }
.help { font-size: 13px; color: var(--muted); }
.error-text { font-size: 13px; color: #C02626; font-weight: 700; }
.radio-card {
  display: flex; gap: 12px; align-items: flex-start; border: 2px solid var(--line); border-radius: 14px; padding: 14px; cursor: pointer;
  background: #fff; margin-bottom: 10px;
}
.radio-card:has(input:checked) { border-color: var(--sky-500); background: var(--sky-50); }
.radio-card input { margin-top: 4px; width: 18px; height: 18px; accent-color: var(--sky-500); }
.radio-card strong { display: block; }
.radio-card span { font-size: 14px; color: var(--muted); }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; }
.check input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--sky-500); flex-shrink: 0; }

/* ---------------------------------------------------------------- cart */
.cart-layout { display: grid; grid-template-columns: 1.3fr 1fr; gap: 28px; align-items: start; padding: 28px 0 56px; }
@media (max-width: 860px) { .cart-layout { grid-template-columns: 1fr; } }
.cart-line { display: flex; gap: 14px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); }
.cart-line:last-child { border-bottom: 0; }
.cart-thumb { width: 64px; flex-shrink: 0; position: relative; }
.cart-thumb img { border-radius: 4px; box-shadow: var(--shadow); }
.cart-line .grow { flex: 1; min-width: 0; }
.cart-line .title { font-weight: 800; }
.thumb-count { position: absolute; right: -6px; bottom: -6px; background: var(--sun); color: #3D2A00; font-weight: 900; font-size: 11px; padding: 1px 6px; border-radius: 999px; }
.upgrade-note { display: inline-block; margin-top: 4px; background: #E7F8EF; color: #067647; font-weight: 800; font-size: 12px; padding: 2px 9px; border-radius: 999px; }
.remove { border: 0; background: none; color: var(--muted); cursor: pointer; font-size: 22px; padding: 4px 8px; }
.summary-row { display: flex; justify-content: space-between; padding: 6px 0; }
.summary-total { font-size: 22px; font-weight: 900; border-top: 2px dashed var(--line); margin-top: 8px; padding-top: 12px; }
.tip { background: var(--sun-50); border-radius: 12px; padding: 12px 14px; font-size: 14px; font-weight: 700; color: #6B4A00; margin: 12px 0; }
.empty { text-align: center; padding: 48px 16px; }
.empty .big { font-size: 56px; }

/* ---------------------------------------------------------------- status pages */
.status-card { max-width: 640px; margin: 32px auto 64px; background: #fff; border-radius: 24px; box-shadow: var(--shadow); padding: 32px 24px; text-align: center; }
.status-icon { width: 76px; height: 76px; border-radius: 50%; margin: 0 auto 16px; display: flex; align-items: center; justify-content: center; font-size: 38px; }
.status-icon.ok { background: #E7F8EF; color: var(--green); }
.status-icon.wait { background: var(--sun-50); }
.status-icon.no { background: #FFECEC; }
.order-no { display: inline-block; font-family: ui-monospace, Menlo, Consolas, monospace; font-weight: 800; background: var(--sky-50); padding: 4px 12px; border-radius: 8px; letter-spacing: .05em; }
.qr-box { margin: 20px auto; max-width: 300px; border: 2px solid var(--line); border-radius: 18px; padding: 14px; background: #fff; }
.qr-box img { width: 100%; }
.pay-steps { text-align: left; margin: 16px 0; padding-left: 22px; }
.pay-steps li { margin-bottom: 8px; }
.spinner { width: 32px; height: 32px; border: 4px solid var(--sky-100); border-top-color: var(--sky-500); border-radius: 50%; animation: spin 1s linear infinite; margin: 0 auto; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------------------------------------------------------------- library */
.lib-order { margin-bottom: 28px; }
.lib-order-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; margin-bottom: 12px; }
.status-chip { font-size: 12px; font-weight: 900; padding: 3px 10px; border-radius: 999px; }
.status-chip.paid { background: #E7F8EF; color: #067647; }
.status-chip.pending { background: var(--sun-50); color: #8A5A00; }
.status-chip.cancelled { background: #FFECEC; color: #C02626; }
.notice { background: var(--sky-50); border-radius: 14px; padding: 14px 16px; font-size: 15px; margin-bottom: 16px; }
.notice.warn { background: #FFF4E5; color: #7A4100; }
.pending-row { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; margin-top: 8px; }
.pending-row .btn { min-height: 32px; padding: 4px 12px; }

/* ---------------------------------------------------------------- faq */
.faq details { background: #fff; border-radius: 14px; box-shadow: var(--shadow); margin-bottom: 10px; padding: 0 18px; }
.faq summary { cursor: pointer; font-weight: 800; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 22px; color: var(--sky-500); line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); padding-bottom: 6px; }

/* ---------------------------------------------------------------- footer */
.site-footer { background: var(--sky-900); color: #C9DBF5; padding: 48px 0 28px; margin-top: 40px; }
.site-footer a { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 28px; }
.site-footer .brand-zh { color: #fff; }
.site-footer h4 { color: #fff; margin: 0 0 10px; font-size: 15px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.copyright { border-top: 1px solid rgba(255, 255, 255, .12); margin-top: 32px; padding-top: 18px; font-size: 13px; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-grid > :first-child { grid-column: span 2; } }

/* ---------------------------------------------------------------- toast */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(20px); opacity: 0; z-index: 200;
  background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 999px; font-weight: 800; box-shadow: var(--shadow-lg);
  transition: all .25s; pointer-events: none; max-width: calc(100vw - 32px); text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
body.has-buybar .toast { bottom: 96px; }

/* ---------------------------------------------------------------- 套装更划算 (homepage deals) */
.deals { background: linear-gradient(180deg, var(--bg), #FFF8E6 18%, #FFF8E6 82%, var(--bg)); }
.deals-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 8px; }
.deals-head h2 { margin-bottom: 4px; }
.deals-head p { margin: 0; }
.school-switch { display: flex; gap: 6px; background: #fff; padding: 6px; border-radius: 18px; box-shadow: var(--shadow); }
.school-switch button {
  border: 0; background: none; cursor: pointer; padding: 10px 18px; border-radius: 14px; text-align: left;
  display: flex; flex-direction: column; gap: 2px; color: var(--muted); transition: background .15s, color .15s;
}
.school-switch button strong { font-size: 16px; color: var(--ink); }
.school-switch button span { font-size: 12px; font-weight: 700; }
.school-switch button.on { background: var(--sky-500); color: #DDF0FF; }
.school-switch button.on strong { color: #fff; }
.deal-row { margin-top: 28px; }
.deal-row-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; margin-bottom: 14px; }
.deal-row-head h3 { margin: 0; font-size: 20px; }
.deal-note { margin: 0; color: var(--muted); font-size: 14px; font-weight: 700; }
.deal-note strong { color: #C2410C; font-size: 16px; }
.deal-more { margin-left: auto; font-weight: 800; font-size: 14px; }
.bundle-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.bundle-card.compact .card-media { aspect-ratio: 4 / 3; }
.bundle-card.compact .stack5 img { top: 16%; height: 70%; }
.bundle-card .ribbon { z-index: 20; }
.bundle-card.compact .ribbon { font-size: 11px; padding: 2px 8px; }
.bundle-card.compact .card-body { padding: 10px 12px 12px; gap: 6px; text-align: center; }
.bundle-card.compact h3 { font-size: 18px; }
.bundle-card.compact h3 a { color: var(--ink); }
.bundle-card.compact .price { font-size: 18px; }
@media (max-width: 1000px) { .bundle-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) {
  .bundle-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .school-switch { width: 100%; }
  .school-switch button { flex: 1; padding: 10px 12px; }
  .deal-more { margin-left: 0; }
}

/* homepage: a real inside page + free preview */
.sample-box { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 40px; align-items: center; }
.sample-page { margin: 0; position: relative; }
.sample-page a { display: block; aspect-ratio: 900 / 1000; overflow: hidden; border-radius: 16px; background: #fff;
  box-shadow: 0 18px 40px rgba(18, 59, 122, .16), 0 0 0 1px var(--line); transform: rotate(-1.5deg); transition: transform .2s; }
.sample-page a:hover { transform: rotate(0) scale(1.01); }
.sample-page img { width: 100%; height: 100%; object-fit: cover; object-position: top; display: block; }
.sample-page figcaption { position: absolute; right: 14px; bottom: 14px; background: rgba(23, 38, 60, .82); color: #fff; font-size: 12px;
  font-weight: 800; padding: 4px 10px; border-radius: 999px; transform: rotate(-1.5deg); }
.sample-text h2 { margin-bottom: 10px; }
.sample-text .checklist { margin: 16px 0 22px; }
@media (max-width: 760px) {
  .sample-box { grid-template-columns: 1fr; gap: 22px; }
  .sample-page a { aspect-ratio: 900 / 760; transform: none; }
  .sample-page figcaption { transform: none; }
}

/* homepage: regular updates */
.updates { background: linear-gradient(180deg, #EFFBF6, #fff); }
.updates .features { grid-template-columns: repeat(3, 1fr); }
.updates .feature { background: #fff; box-shadow: 0 0 0 1px #D5F1E5; }
.upd-note { margin: 18px 0 0; font-weight: 700; color: #33465F; }
@media (max-width: 760px) { .updates .features { grid-template-columns: 1fr; } }

/* "when will my books unlock" box (cart + order page) */
.pay-time { background: #F4F9FF; border: 1px solid #D6E7FB; border-radius: 14px; padding: 14px 16px; margin: 4px 0 16px; font-size: 14px; text-align: left; }
.pay-time strong.title { display: block; margin-bottom: 6px; font-size: 15px; }
.pay-time ul { margin: 0; padding-left: 18px; display: grid; gap: 6px; }

/* Netlify's own "Powered by Netlify" badge (free plan) sits bottom-right: keep it above the phone buy bar */
@media (max-width: 860px) {
  body.buybar-on #nl-badge-frame { bottom: calc(66px + env(safe-area-inset-bottom)) !important; }
}
.quality.features { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 760px) { .quality.features { grid-template-columns: 1fr; } }

/* sign-up email code */
.otp-input { font-size: 26px; letter-spacing: .4em; text-align: center; font-variant-numeric: tabular-nums; font-weight: 800; }
.link-btn { border: 0; background: none; padding: 0; color: var(--sky-700); font: inherit; font-weight: 700; cursor: pointer; text-decoration: underline; }
.link-btn:disabled { color: var(--muted); cursor: default; text-decoration: none; }

/* welcome gift: homepage band + banners */
.welcome-band { padding: 26px 0; background: linear-gradient(100deg, #FFF4D6, #FFE7F0); }
.welcome-box { display: grid; grid-template-columns: auto 1fr auto; gap: 22px; align-items: center; }
.welcome-gift { font-size: 64px; line-height: 1; filter: drop-shadow(0 6px 10px rgba(199, 119, 0, .25)); }
.welcome-box h2 { margin: 2px 0 6px; font-size: clamp(22px, 2.6vw, 30px); }
.welcome-box p { margin: 0; color: #4A3B12; }
.welcome-steps { display: flex; flex-wrap: wrap; gap: 6px 10px; margin: 10px 0 0; padding: 0; list-style: none; counter-reset: ws; font-weight: 700; font-size: 14px; }
.welcome-steps li { counter-increment: ws; background: rgba(255, 255, 255, .75); border-radius: 999px; padding: 4px 12px; }
.welcome-steps li::before { content: counter(ws) ". "; color: #C77700; font-weight: 900; }
@media (max-width: 760px) { .welcome-box { grid-template-columns: 1fr; text-align: left; gap: 12px; } .welcome-gift { font-size: 48px; } }
.welcome-banner { background: #FFF4D6; border: 1px solid #FFD98A; border-radius: 14px; padding: 12px 16px; font-weight: 700; margin: 16px 0; }
.welcome-claim { margin-top: 10px; }

/* "Added to cart" buttons */
.btn.in-cart, .btn.in-cart:disabled { background: #E7F8EF; color: #067647; box-shadow: none; border-color: #BFE8D2; cursor: default; opacity: 1; transform: none; }

/* unpaid order strip under the header (every page) */
.pending-strip { background: #FFF4D6; border-bottom: 1px solid #FFD98A; font-weight: 700; font-size: 14px; }
.pending-strip .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px 14px; padding-top: 8px; padding-bottom: 8px; text-align: center; }

/* cart: items already in an unpaid order */
.waiting-block { background: #FFFBEF; box-shadow: 0 0 0 1px #FFE3A3; }
.waiting-block .cart-line { flex-wrap: wrap; }

/* ---------------------------------------------------------------- logo (images made by make_logo.py) */
.brand .brand-logo { width: auto; height: 48px; display: block; }
.brand .brand-mark { display: none; width: auto; height: 34px; }
@media (max-width: 1360px) { .brand .brand-logo { height: 42px; } }
@media (max-width: 640px) { .brand .brand-logo { display: block; height: 42px; } }
.admin-tag { margin-left: 8px; background: var(--sky-50); color: var(--sky-700); font-weight: 900; font-size: 12px; padding: 3px 10px; border-radius: 999px; }
.footer-logo { display: inline-block; background: #fff; border-radius: 16px; padding: 10px 14px; }
.footer-logo img { display: block; width: 170px; height: auto; }

/* children's school years (sign-up, my account) */
.field .label { display: block; font-weight: 800; font-size: 14px; margin-bottom: 6px; }
.grade-checks { display: flex; flex-wrap: wrap; gap: 8px; }
.grade-check { cursor: pointer; }
.grade-check input { position: absolute; opacity: 0; pointer-events: none; }
.grade-check span { display: inline-block; padding: 7px 14px; border-radius: 999px; border: 1.5px solid var(--line); background: #fff; font-weight: 800; font-size: 14px; color: var(--muted); }
.grade-check input:checked + span { background: var(--sky-500); border-color: var(--sky-500); color: #fff; }
.grade-check input:focus-visible + span { outline: 3px solid var(--sky-200, #BFDBFE); outline-offset: 2px; }

/* real "chosen by N families" line */
.sold-badge { font-size: 12.5px; font-weight: 800; color: #C2410C; margin: 4px 0 2px; }
.chip.off-sale { background: #FFECEC; color: #C02626; border-color: #F5C2C2; text-decoration: line-through; }