/* ============================================================
   sections.css — Page section styles (hero, instruments, regions,
   teachers, features, articles, teacher CTA, footer)
   ============================================================ */

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: clamp(28px, 6vw, 96px);
  padding-bottom: clamp(40px, 8vw, 110px);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}
@media (min-width: 1025px) {
  .hero-grid {
    grid-template-columns: 1.1fr .9fr;
    gap: 56px;
  }
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--accent-tint);
  color: var(--accent-deep);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--accent-soft);
}
.hero-eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

.hero h1 {
  font-size: clamp(34px, 9vw, 68px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 600;
  margin-top: 16px;
  color: var(--ink);
}
.hero h1 .accent { color: var(--accent); }
.hero .sub {
  font-size: clamp(15px, 1.6vw, 18px);
  color: var(--ink-soft);
  margin-top: 14px;
  max-width: 32ch;
}
.hero .sub .sep { color: var(--line); margin-inline: 8px; }

/* ---------- Search card ---------- */
.search-card {
  margin-top: 24px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 8px;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  align-items: stretch;
}
@media (min-width: 768px) {
  .search-card {
    margin-top: 36px;
    padding: 10px;
    grid-template-columns: 1fr 1fr auto;
    gap: 6px;
  }
}
.search-field {
  position: relative;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  transition: background .15s ease;
  cursor: pointer;
  min-height: var(--tap);
  background: transparent;
  border: none;
  font: inherit;
  color: inherit;
  text-align: left;
  width: 100%;
  display: flex; flex-direction: column; justify-content: center;
}
.search-field:hover { background: var(--bg-soft); }
.search-field:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.search-card input[type="hidden"] { display: none; }
.search-field + .search-field { border-top: 1px solid var(--line-soft); }
@media (min-width: 768px) {
  .search-field + .search-field { border-top: none; border-left: 1px solid var(--line-soft); }
}
.search-label {
  font-size: 12px;
  color: var(--ink-muted);
  font-weight: 500;
  margin-bottom: 2px;
  pointer-events: none;
}
.search-value {
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.4;
  padding-right: 22px;
  pointer-events: none;
}
.search-value.is-placeholder { color: var(--ink-muted); font-weight: 500; }
.search-field::after {
  content: "";
  position: absolute;
  right: 16px; top: 50%;
  width: 8px; height: 8px;
  border-right: 1.5px solid var(--ink-muted);
  border-bottom: 1.5px solid var(--ink-muted);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}
.search-submit {
  border-radius: var(--radius-md);
  background: var(--accent);
  color: #fff;
  font-weight: 500;
  font-size: 16px;
  padding: 14px 26px;
  min-height: var(--tap);
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  transition: background .2s ease;
  margin-top: 4px;
}
@media (min-width: 768px) {
  .search-submit { margin-top: 0; padding: 0 26px; }
}
.search-submit:hover { background: var(--accent-deep); }
.search-submit svg { width: 16px; height: 16px; }

.quick-tags {
  margin-top: 16px;
  display: flex; flex-wrap: wrap; gap: 8px;
  color: var(--ink-muted);
  font-size: 13px;
  align-items: center;
}
.quick-tags .label { color: var(--ink-muted); width: 100%; margin-bottom: 2px; }
@media (min-width: 481px) { .quick-tags .label { width: auto; margin-bottom: 0; } }
.quick-tags a {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  background: #fff;
  transition: border-color .15s ease, color .15s ease;
  font-size: 13px;
  line-height: 1.2;
}
.quick-tags a:hover { border-color: var(--accent); color: var(--accent); }

.hero-tagline {
  margin-top: 14px;
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.6;
}
.hero-tagline .sep { color: var(--line); margin-inline: 6px; }

/* Hero visual */
.hero-visual {
  position: relative;
  max-width: 100%;
  margin: 0 auto;
  display: none;
}
.hero-visual img { width: 100%; height: auto; display: block; }
@media (min-width: 768px) { .hero-visual { display: block; max-width: 420px; width: 100%; } }
@media (min-width: 1025px) { .hero-visual { max-width: 480px; align-self: center; } }
.hero-visual .staff {
  position: absolute; inset: auto 0 28% 0;
  height: 76px;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(var(--line) 1px, transparent 1px);
  background-size: 100% 19px;
  background-position: 0 0, 0 19px, 0 38px, 0 57px, 0 76px;
  background-repeat: no-repeat;
  opacity: .9;
}
.hero-visual .note {
  position: absolute;
  width: 22px; height: 16px;
  background: var(--accent);
  border-radius: 50%;
  transform: rotate(-18deg);
}
.hero-visual .note::after {
  content: "";
  position: absolute;
  right: 0; bottom: 6px;
  width: 1.5px; height: 50px;
  background: var(--accent);
  transform: translate(0, -100%);
}
.hero-visual .n1 { left: 16%; bottom: calc(28% + 18px); }
.hero-visual .n2 { left: 36%; bottom: calc(28% + 36px); }
.hero-visual .n3 { left: 56%; bottom: calc(28% + 12px); background: var(--warm); }
.hero-visual .n3::after { background: var(--warm); }
.hero-visual .n4 { left: 76%; bottom: calc(28% + 28px); }

/* ---------- 樂器入口 ---------- */
.ins-groups { display: flex; flex-direction: column; gap: 32px; }
@media (min-width: 768px) { .ins-groups { gap: 40px; } }
.ins-group-head {
  display: flex; align-items: baseline; gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}
@media (min-width: 768px) { .ins-group-head { margin-bottom: 18px; } }
.ins-group-emoji { font-size: 20px; line-height: 1; }
.ins-group-title { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
@media (min-width: 768px) { .ins-group-title { font-size: 18px; } }
.ins-group-count {
  font-family: "Inter", sans-serif;
  font-size: 12px; color: var(--ink-muted);
  margin-left: auto;
}
.ins-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
@media (min-width: 481px) { .ins-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; } }
@media (min-width: 768px) { .ins-grid { grid-template-columns: repeat(4, 1fr); gap: 14px; } }
@media (min-width: 1025px) { .ins-grid { grid-template-columns: repeat(5, 1fr); gap: 16px; } }
.ins-explore-all { margin-top: 32px; text-align: center; }

.ins-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 16px 14px;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
  display: flex; flex-direction: column; align-items: flex-start;
  overflow: hidden;
}
@media (min-width: 768px) { .ins-card { padding: 20px 18px; } }
.ins-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.ins-card .ins-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--accent-tint);
  color: var(--accent);
  display: grid; place-items: center;
  margin-bottom: 12px;
  transition: background .2s ease, color .2s ease;
}
@media (min-width: 768px) { .ins-card .ins-icon { width: 48px; height: 48px; border-radius: 12px; margin-bottom: 18px; } }
.ins-card:hover .ins-icon { background: var(--accent); color: #fff; }
.ins-card .ins-icon svg { width: 20px; height: 20px; }
@media (min-width: 768px) { .ins-card .ins-icon svg { width: 24px; height: 24px; } }
.ins-card h3 {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
@media (min-width: 768px) { .ins-card h3 { font-size: 20px; } }
.ins-card .ins-en {
  font-family: "Inter", sans-serif;
  font-size: 12px;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: .12em;
  margin-top: 4px;
}
.ins-card .ins-count {
  margin-top: auto;
  padding-top: 16px;
  display: flex; align-items: baseline; gap: 6px;
  color: var(--ink-soft);
  font-size: 12px;
}
@media (min-width: 768px) { .ins-card .ins-count { padding-top: 22px; font-size: 13px; } }
.ins-card .ins-count .n { font-family: "Inter", sans-serif; font-weight: 600; font-size: 18px; color: var(--ink); }
@media (min-width: 768px) { .ins-card .ins-count .n { font-size: 22px; } }
.ins-card .arrow {
  position: absolute;
  top: 16px; right: 16px;
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: grid; place-items: center;
  color: var(--ink-muted);
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
@media (min-width: 768px) { .ins-card .arrow { top: 22px; right: 22px; width: 28px; height: 28px; } }
.ins-card:hover .arrow { background: var(--accent); color: #fff; border-color: var(--accent); transform: translate(2px, -2px); }
.ins-card .arrow svg { width: 14px; height: 14px; }

/* ---------- 地區瀏覽 ---------- */
.regions { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 481px) { .regions { grid-template-columns: repeat(2, 1fr); gap: 14px; } }
@media (min-width: 768px) { .regions { grid-template-columns: repeat(3, 1fr); gap: 16px; } }
@media (min-width: 1025px) { .regions { grid-template-columns: repeat(5, 1fr); } }
.region {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px 18px;
}
@media (min-width: 768px) { .region { padding: 24px 22px; } }
.region h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
  display: flex; align-items: center; gap: 10px;
}
.region h3 .pill {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-tint);
  padding: 2px 8px;
  border-radius: 999px;
  letter-spacing: .04em;
}
.region .rsub { font-size: 12px; color: var(--ink-muted); margin-bottom: 14px; }
.region ul { display: flex; flex-direction: column; gap: 4px; }
.region ul {
  flex-direction: row; flex-wrap: wrap; gap: 6px 14px;
}
@media (min-width: 481px) {
  .region ul { flex-direction: column; gap: 4px; }
}
.region li a {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--ink-soft);
  font-size: 14px;
  padding: 6px 0;
  min-height: 32px;
  border-bottom: 1px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.region li a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.region li a .cnt { font-family: "Inter", sans-serif; font-size: 11px; color: var(--ink-muted); }

/* ---------- 熱門老師 ---------- */
.teachers { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 600px) { .teachers { grid-template-columns: repeat(2, 1fr); gap: 20px; } }
@media (min-width: 1025px) { .teachers { grid-template-columns: repeat(3, 1fr); gap: 24px; } }
.t-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  display: flex; flex-direction: column;
}
.t-card:hover { transform: translateY(-3px); border-color: var(--accent); box-shadow: var(--shadow-lg); }
.t-photo {
  aspect-ratio: 4 / 3;
  background: var(--bg-soft);
  position: relative;
  overflow: hidden;
}
.t-photo::before {
  content: "";
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    135deg,
    transparent 0 14px,
    rgba(45, 95, 78, 0.06) 14px 15px
  );
}
.t-photo .ph-letter {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: "Inter", sans-serif;
  font-size: 64px;
  font-weight: 600;
  color: rgba(45, 95, 78, .35);
  letter-spacing: -0.02em;
}
.t-photo .photo-tag {
  position: absolute; left: 14px; top: 14px;
  background: rgba(255,255,255,.92);
  color: var(--ink-soft);
  font-family: "Inter", sans-serif;
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid var(--line);
  letter-spacing: .02em;
}
.t-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.t-meta-top { display: flex; justify-content: space-between; align-items: center; }
.t-name { font-size: 18px; font-weight: 600; letter-spacing: -0.01em; }
.t-rating { font-size: 13px; color: var(--ink-soft); display: inline-flex; gap: 4px; align-items: center; }
.t-rating .star { color: var(--warm); }
.t-rating .num { font-family: "Inter", sans-serif; font-weight: 600; color: var(--ink); }
.t-info { display: flex; flex-wrap: wrap; gap: 6px; }
.t-info .tag {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--ink-soft);
  border: 1px solid var(--line-soft);
}
.t-info .tag.accent { background: var(--accent-tint); color: var(--accent-deep); border-color: var(--accent-soft); }
.t-desc { color: var(--ink-soft); font-size: 14px; line-height: 1.55; }
.t-foot {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  display: flex; justify-content: space-between; align-items: center;
  min-height: var(--tap);
}
.t-price { font-size: 13px; color: var(--ink-muted); }
.t-price .v { font-family: "Inter", sans-serif; font-weight: 600; color: var(--ink); font-size: 16px; }
.t-link {
  color: var(--accent); font-size: 14px; font-weight: 500;
  display: inline-flex; align-items: center; gap: 4px;
  padding: 10px 12px; margin: -10px -12px;
  border-radius: 8px;
  min-height: var(--tap);
}
.t-link:hover { color: var(--accent-deep); }

/* ---------- 平台特色 ---------- */
.features-wrap { background: var(--bg-soft); border-radius: 14px; padding: clamp(24px, 5vw, 64px); border: 1px solid var(--line-soft); }
.features { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 600px) { .features { grid-template-columns: repeat(2, 1fr); gap: 28px; } }
@media (min-width: 1025px) { .features { grid-template-columns: repeat(4, 1fr); gap: 32px; } }
.feature .f-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
  display: grid; place-items: center;
  color: var(--accent);
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
  position: relative;
}
.feature .f-icon::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, var(--accent-tint) 0%, transparent 70%);
  opacity: .6;
  pointer-events: none;
}
@media (min-width: 768px) { .feature .f-icon { margin-bottom: 18px; width: 52px; height: 52px; } }
.feature .f-icon svg { width: 22px; height: 22px; position: relative; z-index: 1; }
.feature h3 { font-size: 17px; font-weight: 600; margin-bottom: 6px; letter-spacing: -0.01em; }
.feature p { color: var(--ink-soft); font-size: 14px; line-height: 1.6; }

/* ---------- 部落格 ---------- */
.articles { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 600px) { .articles { grid-template-columns: repeat(2, 1fr); gap: 20px; } }
@media (min-width: 1025px) { .articles { grid-template-columns: repeat(4, 1fr); } }
.article {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  display: flex; flex-direction: column;
}
.article:hover { transform: translateY(-3px); border-color: var(--accent); box-shadow: var(--shadow-md); }
.article .a-cover {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #D8E5DD, var(--bg-soft));
  position: relative;
  border-bottom: 1px solid var(--line-soft);
}
/* 文章卡封面：4 色循環（低彩度淡色） */
.articles .article:nth-child(4n+1) .a-cover { background: linear-gradient(135deg, #D8E5DD, var(--bg-soft)); }
.articles .article:nth-child(4n+2) .a-cover { background: linear-gradient(135deg, #F4DDCE, var(--bg-soft)); }
.articles .article:nth-child(4n+3) .a-cover { background: linear-gradient(135deg, #E0D6EC, var(--bg-soft)); }
.articles .article:nth-child(4n+4) .a-cover { background: linear-gradient(135deg, #D2DEEA, var(--bg-soft)); }
.articles .article:nth-child(4n+1) .a-cover .a-icon { color: #2D5F4E; }
.articles .article:nth-child(4n+2) .a-cover .a-icon { color: #B86F47; }
.articles .article:nth-child(4n+3) .a-cover .a-icon { color: #7864A8; }
.articles .article:nth-child(4n+4) .a-cover .a-icon { color: #4A7AA0; }
.article .a-cover .num {
  position: absolute; left: 16px; bottom: 12px;
  font-family: "Inter", sans-serif;
  font-size: 36px; font-weight: 700;
  color: rgba(45,95,78,.18);
  letter-spacing: -0.02em;
}
.article .a-cover .a-icon {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 52px; height: 52px;
  color: var(--accent);
  opacity: 0.4;
  transition: opacity .2s ease, transform .2s ease;
}
.article:hover .a-cover .a-icon {
  opacity: 0.55;
  transform: translate(-50%, -50%) scale(1.08);
}
.article .a-cover .a-icon svg { width: 100%; height: 100%; }
.article .a-cover .cat {
  position: absolute; right: 14px; top: 14px;
  background: #fff; color: var(--accent-deep);
  font-size: 11px; font-family: "Inter", sans-serif; font-weight: 500;
  padding: 4px 8px; border-radius: 6px;
  border: 1px solid var(--line);
}
.article .a-body { padding: 18px 20px 20px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.article h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.005em;
  text-wrap: pretty;
}
.article .a-meta {
  margin-top: auto;
  display: flex; gap: 12px;
  color: var(--ink-muted);
  font-size: 12px;
  font-family: "Inter", sans-serif;
  padding-top: 8px;
}

/* ---------- 老師加入 ---------- */
.teacher-cta {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 44px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: center;
}
.teacher-cta .btn { justify-self: start; min-height: var(--tap); }
@media (min-width: 768px) {
  .teacher-cta { grid-template-columns: 1fr auto; gap: 28px; }
  .teacher-cta .btn { justify-self: end; }
}
.teacher-cta .eyebrow { color: var(--ink-muted); }
.teacher-cta h3 { font-size: clamp(22px, 2.4vw, 28px); font-weight: 600; letter-spacing: -0.01em; margin-top: 6px; }
.teacher-cta p { color: var(--ink-soft); margin-top: 6px; max-width: 50ch; }

/* ---------- Footer ---------- */
.site-footer {
  background: #1F1F1F;
  color: #B7B5AF;
  padding-block: 48px 24px;
  margin-top: 0;
  border-top: 1px solid var(--line);
}
@media (min-width: 768px) { .site-footer { padding-block: 72px 28px; } }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
@media (min-width: 600px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px 24px; }
  .footer-brand { grid-column: span 2; }
}
@media (min-width: 1025px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: 40px 32px; }
  .footer-brand { grid-column: span 1; }
}
.footer-brand { max-width: 32ch; }
.footer-brand .brand { color: #fff; }
.footer-brand .brand-mark { background: #2D5F4E; }
.footer-brand .brand .zh { color: #8A8579; }
.footer-brand p { font-size: 13px; line-height: 1.6; color: #8A8579; margin-top: 16px; }
.footer-col h4 {
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 14px;
  color: #B7B5AF;
  transition: color .15s ease;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 0;
  min-height: 32px;
}
.footer-col a:hover { color: #fff; }
.footer-col a svg { width: 14px; height: 14px; }
.footer-bottom {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid #2E2E2E;
  display: flex; flex-direction: column; gap: 8px;
  font-size: 12px;
  color: #6E6B64;
  font-family: "Inter", sans-serif;
}
@media (min-width: 600px) {
  .footer-bottom { margin-top: 56px; flex-direction: row; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
}
.footer-bottom a { color: #8A8579; }
.footer-bottom a:hover { color: #fff; }

/* ======== 即將推出（href="#" 自動標記） ======== */
a[href="#"]:not(.brand):not(.btn) {
  opacity: 0.5;
  pointer-events: none;
  cursor: not-allowed;
}

/* ======== 已開放連結 發亮樣式 ======== */
.ins-card:not([href="#"]) {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 8px 24px -10px rgba(45, 95, 78, 0.35);
}

/* ======== 樂器卡 多色循環（5 色，群組內輪替）：卡片底色淡、icon 較深 ======== */
.ins-grid .ins-card:nth-child(5n+1) { background: linear-gradient(160deg, #E8EFEA, var(--bg-card) 70%); }
.ins-grid .ins-card:nth-child(5n+2) { background: linear-gradient(160deg, #F8E9DE, var(--bg-card) 70%); }
.ins-grid .ins-card:nth-child(5n+3) { background: linear-gradient(160deg, #ECE3F2, var(--bg-card) 70%); }
.ins-grid .ins-card:nth-child(5n+4) { background: linear-gradient(160deg, #DFE8F0, var(--bg-card) 70%); }
.ins-grid .ins-card:nth-child(5n+5) { background: linear-gradient(160deg, #F4ECD5, var(--bg-card) 70%); }
.ins-grid .ins-card:nth-child(5n+1) .ins-icon { background: #D8E5DD; color: #2D5F4E; }
.ins-grid .ins-card:nth-child(5n+2) .ins-icon { background: #F4DDCE; color: #B86F47; }
.ins-grid .ins-card:nth-child(5n+3) .ins-icon { background: #E0D6EC; color: #7864A8; }
.ins-grid .ins-card:nth-child(5n+4) .ins-icon { background: #D2DEEA; color: #4A7AA0; }
.ins-grid .ins-card:nth-child(5n+5) .ins-icon { background: #F0E5C8; color: #998044; }
.region li a:not([href="#"]) {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
}
.ins-card[href="#"] {
  position: relative;
}
.ins-card[href="#"]::after {
  content: "即將推出";
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 10px;
  padding: 2px 8px;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 999px;
  color: var(--ink-muted);
  letter-spacing: 0.05em;
  pointer-events: none;
}