/* ============================================================
   edmx-shop.css · 商城页专属样式（列表 + 详情）
   主题：登录套餐商城 · 深色科技风
   依赖：edmx-v4.css（变量 --bg/--cyan/--grad 等）
   版本：20261019
   ============================================================ */

/* ---------- 页面头 ---------- */
.shop-head {
  position: relative; padding: 150px 0 54px; overflow: hidden;
  background:
    radial-gradient(900px 420px at 78% -10%, rgba(61,120,255,.16), transparent 60%),
    radial-gradient(700px 380px at 8% 110%, rgba(61,214,255,.10), transparent 60%);
}
.shop-head .container { position: relative; z-index: 1; }
.shop-head .chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; border-radius: 999px;
  font-size: 12px; letter-spacing: .18em; color: var(--cyan);
  background: rgba(58,214,255,.08); border: 1px solid rgba(58,214,255,.28);
}
.shop-head .chip .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.shop-head h1 { margin: 18px 0 10px; font-size: 44px; line-height: 1.2; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.shop-head .sub { font-size: 16px; color: var(--muted); max-width: 720px; line-height: 1.8; }
.shop-head .crumbs { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 4px 10px; font-size: 13px; color: var(--dim); }
.shop-head .crumbs a { color: var(--dim); transition: color .3s; }
.shop-head .crumbs a:hover { color: var(--cyan); }

/* ---------- 保障横条 ---------- */
.shop-bar {
  margin: 30px auto 0; max-width: 1180px; position: relative; z-index: 1;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  padding: 18px 22px; border-radius: 16px;
  background: linear-gradient(90deg, rgba(58,214,255,.08), rgba(91,140,255,.06) 50%, rgba(167,139,250,.08));
  border: 1px solid rgba(58,214,255,.22);
  box-shadow: 0 12px 40px rgba(58,214,255,.06);
}
.shop-bar .sb-item { display: flex; align-items: center; gap: 12px; }
.shop-bar .sb-ico {
  flex: none; width: 40px; height: 40px; border-radius: 11px;
  display: flex; align-items: center; justify-content: center; font-size: 19px;
  background: linear-gradient(135deg, rgba(58,214,255,.14), rgba(167,139,250,.14));
  border: 1px solid rgba(58,214,255,.28);
}
.shop-bar .sb-item b { display: block; font-size: 14px; color: var(--text); }
.shop-bar .sb-item p { margin: 2px 0 0; font-size: 12px; color: var(--dim); }

/* ---------- 分区标题 ---------- */
.sh-sec { padding: 64px 0 10px; }
.sh-sec .sec-head { margin-bottom: 30px; display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.sh-sec .sec-head h2 { font-size: 26px; font-weight: 800; margin: 6px 0 0; }
.sh-sec .sec-head h2 em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.sh-sec .sec-head .sec-tip { font-size: 13px; color: var(--dim); }
.sec-chip { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; letter-spacing: .16em; color: var(--cyan); }
.sec-chip::before { content: ''; width: 22px; height: 1px; background: linear-gradient(90deg, transparent, var(--cyan)); }

/* ---------- 商品网格（新版卡片） ---------- */
.shop-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 26px;
}
.shop-card {
  position: relative; overflow: hidden;
  border-radius: 20px;
  background: linear-gradient(170deg, rgba(16,28,58,.94), rgba(11,21,48,.98));
  border: 1px solid var(--line);
  transition: transform .35s, border-color .35s, box-shadow .35s;
  text-decoration: none; color: inherit;
  display: flex; flex-direction: column;
}
.shop-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--grad); opacity: .7;
}
.shop-card:hover { transform: translateY(-6px); border-color: rgba(58,214,255,.45); box-shadow: 0 20px 50px rgba(58,214,255,.12); }
.shop-card .sc-thumb {
  position: relative; width: 100%; aspect-ratio: 16/10; overflow: hidden;
  display: grid; place-items: center;
  background:
    radial-gradient(circle at 25% 20%, rgba(58,214,255,.20), transparent 60%),
    radial-gradient(circle at 80% 85%, rgba(167,139,250,.18), transparent 55%),
    var(--bg2);
}
.shop-card .sc-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.shop-card:hover .sc-thumb img { transform: scale(1.05); }
.shop-card .sc-thumb .sc-ico { font-size: 54px; filter: drop-shadow(0 6px 18px rgba(58,214,255,.35)); }
.shop-card .sc-body { padding: 24px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.shop-card .sc-tag {
  display: inline-flex; align-items: center; gap: 6px; width: fit-content;
  font-size: 11px; letter-spacing: .12em; color: var(--cyan);
  padding: 4px 10px; border-radius: 999px;
  background: rgba(58,214,255,.08); border: 1px solid rgba(58,214,255,.25);
  margin-bottom: 14px;
}
.shop-card h3 { font-size: 20px; font-weight: 800; color: var(--text); margin-bottom: 10px; }
.shop-card .sc-desc { font-size: 13.5px; color: var(--muted); line-height: 1.8; flex: 1; }
.shop-card .sc-points {
  list-style: none; margin: 16px 0 20px; padding: 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px;
}
.shop-card .sc-points li { display: flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--text); }
.shop-card .sc-points li::before { content: '✓'; color: var(--ok); font-weight: 700; }
.shop-card .sc-go {
  display: inline-flex; align-items: center; gap: 8px; width: fit-content;
  padding: 12px 22px; border-radius: 12px;
  font-size: 14px; font-weight: 700; color: #04101f;
  background: var(--grad); text-decoration: none;
  transition: transform .3s, box-shadow .3s;
}
.shop-card .sc-go:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(58,214,255,.35); }

/* ---------- 商品空态 ---------- */
.shop-empty {
  padding: 70px 24px; border-radius: 20px; text-align: center;
  background: rgba(16,28,58,.70); border: 1px dashed rgba(58,214,255,.30);
}
.shop-empty .se-ico { font-size: 46px; margin-bottom: 14px; }
.shop-empty b { display: block; font-size: 18px; color: var(--text); margin-bottom: 8px; }
.shop-empty p { font-size: 14px; color: var(--muted); margin: 0 0 22px; }

/* ---------- 分页 ---------- */
.pgn { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-top: 44px; }
.pgn a, .pgn span {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; height: 40px; padding: 0 14px; border-radius: 10px;
  font-size: 14px; color: var(--muted);
  background: rgba(16,28,58,.70); border: 1px solid var(--line);
  text-decoration: none; transition: all .3s;
}
.pgn a:hover { color: var(--cyan); border-color: rgba(58,214,255,.4); }
.pgn .active a, .pgn .current { color: #04101f; background: var(--grad); border-color: transparent; font-weight: 700; }

/* ---------- 服务流程 / 保障（商城版复用） ---------- */
.sh-flow { padding: 56px 0 20px; }
.sh-flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 30px; }
.sh-flow-step {
  position: relative; padding: 28px 22px 24px; border-radius: 18px;
  background: rgba(16,28,58,.80); border: 1px solid var(--line);
  transition: transform .35s, border-color .35s;
}
.sh-flow-step:hover { transform: translateY(-4px); border-color: rgba(58,214,255,.4); }
.sh-flow-step .fs-num { position: absolute; top: 16px; right: 18px; font-size: 42px; font-weight: 900; line-height: 1; color: transparent; -webkit-text-stroke: 1px rgba(58,214,255,.35); font-family: ui-monospace, Consolas, monospace; }
.sh-flow-step .fs-ico { width: 50px; height: 50px; border-radius: 14px; margin-bottom: 16px; display: flex; align-items: center; justify-content: center; font-size: 23px; background: linear-gradient(135deg, rgba(58,214,255,.14), rgba(91,140,255,.14)); border: 1px solid rgba(58,214,255,.30); }
.sh-flow-step h3 { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.sh-flow-step p { font-size: 13px; color: var(--muted); line-height: 1.75; margin: 0; }

/* ---------- 商品详情页 ---------- */
.sp-detail { position: relative; padding: 0 0 40px; }
.sp-main {
  display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: start;
  margin-top: 44px;
}
.sp-media {
  position: sticky; top: 110px;
  border-radius: 20px; overflow: hidden;
  background:
    radial-gradient(circle at 25% 20%, rgba(58,214,255,.20), transparent 60%),
    radial-gradient(circle at 80% 85%, rgba(167,139,250,.18), transparent 55%),
    var(--bg2);
  border: 1px solid var(--line);
  aspect-ratio: 4/3; display: grid; place-items: center;
}
.sp-media img { width: 100%; height: 100%; object-fit: cover; }
.sp-media .sp-ico { font-size: 90px; filter: drop-shadow(0 10px 30px rgba(58,214,255,.4)); }
.sp-info .sp-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; letter-spacing: .14em; color: var(--cyan);
  padding: 5px 12px; border-radius: 999px;
  background: rgba(58,214,255,.08); border: 1px solid rgba(58,214,255,.28);
  margin-bottom: 18px;
}
.sp-info h1 { font-size: 30px; font-weight: 800; color: var(--text); line-height: 1.35; margin-bottom: 12px; }
.sp-info .sp-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 13px; color: var(--dim); margin-bottom: 22px; }
.sp-info .sp-meta span { display: inline-flex; align-items: center; gap: 6px; }
.sp-info .sp-feat {
  list-style: none; margin: 0 0 26px; padding: 18px 20px;
  border-radius: 14px; background: rgba(16,28,58,.70); border: 1px solid var(--line);
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px;
}
.sp-info .sp-feat li { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--text); }
.sp-info .sp-feat li::before { content: '✓'; flex: none; width: 20px; height: 20px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 11px; color: var(--ok); background: rgba(52,211,153,.12); border: 1px solid rgba(52,211,153,.35); }
.sp-info .sp-desc { font-size: 14px; color: var(--muted); line-height: 1.9; margin-bottom: 30px; }
.sp-info .sp-desc img { max-width: 100%; border-radius: 12px; margin: 10px 0; }
.sp-info .sp-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.sp-info .btn-primary { padding: 13px 28px; font-size: 15px; }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 26px; border-radius: 12px;
  font-size: 14px; font-weight: 600; color: var(--text); text-decoration: none;
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.14);
  transition: all .3s;
}
.btn-ghost:hover { border-color: rgba(58,214,255,.5); color: var(--cyan); box-shadow: 0 8px 24px rgba(58,214,255,.12); }

/* ---------- 详情 CTA ---------- */
.sp-cta {
  margin: 60px 0 0; padding: 52px 24px; border-radius: 22px; text-align: center;
  position: relative; overflow: hidden;
  background:
    radial-gradient(560px 260px at 50% -20%, rgba(58,214,255,.16), transparent 65%),
    linear-gradient(180deg, rgba(16,28,58,.95), rgba(11,21,48,.98));
  border: 1px solid rgba(58,214,255,.22);
}
.sp-cta::before { content: ''; position: absolute; inset: 0; background: repeating-linear-gradient(115deg, transparent 0 14px, rgba(58,214,255,.02) 14px 28px); pointer-events: none; }
.sp-cta .container { position: relative; z-index: 1; }
.sp-cta h2 { font-size: 26px; font-weight: 800; }
.sp-cta h2 em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.sp-cta p { margin: 12px auto 28px; max-width: 520px; font-size: 14px; color: var(--muted); line-height: 1.8; }

/* ---------- 相关商品 ---------- */
.sp-related { padding: 64px 0 20px; }
.sp-related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 30px; }
.rd-card {
  border-radius: 18px; overflow: hidden; text-decoration: none; color: inherit;
  background: linear-gradient(170deg, rgba(16,28,58,.90), rgba(11,21,48,.97));
  border: 1px solid var(--line); display: block;
  transition: transform .35s, border-color .35s;
}
.rd-card:hover { transform: translateY(-5px); border-color: rgba(58,214,255,.4); }
.rd-card .rd-thumb { aspect-ratio: 16/9; display: grid; place-items: center; overflow: hidden; background: radial-gradient(circle at 30% 20%, rgba(58,214,255,.18), transparent 60%), var(--bg2); }
.rd-card .rd-thumb img { width: 100%; height: 100%; object-fit: cover; }
.rd-card .rd-thumb .rd-ico { font-size: 40px; }
.rd-card .rd-body { padding: 18px 20px 22px; }
.rd-card .rd-body b { display: block; font-size: 16px; color: var(--text); margin-bottom: 6px; }
.rd-card .rd-body span { font-size: 12.5px; color: var(--dim); }

/* ---------- 上下篇 ---------- */
.sp-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 40px; flex-wrap: wrap; }
.sp-nav a {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 18px; border-radius: 12px;
  font-size: 13px; color: var(--muted); text-decoration: none;
  background: rgba(16,28,58,.70); border: 1px solid var(--line);
  transition: all .3s; max-width: 46%;
}
.sp-nav a:hover { color: var(--cyan); border-color: rgba(58,214,255,.4); }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .shop-bar { grid-template-columns: repeat(2, 1fr); }
  .sh-flow-grid { grid-template-columns: repeat(2, 1fr); }
  .sp-related-grid { grid-template-columns: repeat(2, 1fr); }
  .sp-main { grid-template-columns: 1fr; gap: 30px; }
  .sp-media { position: static; }
}
@media (max-width: 768px) {
  .shop-head h1 { font-size: 32px; }
  .shop-bar { grid-template-columns: 1fr 1fr; gap: 12px; }
  .shop-grid { grid-template-columns: 1fr; }
  .sh-flow-grid, .sp-related-grid { grid-template-columns: 1fr; }
  .sp-info h1 { font-size: 24px; }
  .sp-nav a { max-width: 100%; }
}

/* ---------- 联系客服下单（人工收款模式） ---------- */
.sp-contact {
  margin-top: 22px; padding: 20px 22px; border-radius: 16px;
  background: linear-gradient(90deg, rgba(58,214,255,.07), rgba(91,140,255,.05) 50%, rgba(167,139,250,.07));
  border: 1px solid rgba(58,214,255,.20);
}
.sp-contact .sc-line {
  font-size: 13px; color: var(--muted); margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.sp-contact .sc-line::before { content: ''; width: 20px; height: 1px; background: linear-gradient(90deg, transparent, var(--cyan)); }
.sp-contact .sc-row { display: flex; flex-wrap: wrap; gap: 10px; }
.sp-contact .sc-row a {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px; border-radius: 11px;
  font-size: 13.5px; color: var(--text); text-decoration: none;
  background: rgba(16,28,58,.75); border: 1px solid var(--line);
  transition: all .3s;
}
.sp-contact .sc-row a:hover { color: var(--cyan); border-color: rgba(58,214,255,.45); }
.sp-contact .sc-ico { font-size: 15px; }
.sp-contact .sc-tip { margin: 13px 0 0; font-size: 12px; color: var(--dim); line-height: 1.7; }

/* ========== 商城购买落地页（参考 edzs.cc/buy） ========== */

/* HERO 主视觉 */
.buy-hero {
  position: relative; padding: 158px 0 74px; text-align: center;
  background:
    radial-gradient(700px 360px at 50% -10%, rgba(167,139,250,.22), transparent 65%),
    radial-gradient(500px 260px at 12% 20%, rgba(58,214,255,.10), transparent 60%),
    linear-gradient(180deg, rgba(11,21,48,.55), rgba(6,10,22,.0));
}
.buy-hero h1 { font-size: 52px; font-weight: 900; line-height: 1.25; color: var(--text); margin: 22px 0 20px; letter-spacing: .01em; }
.buy-hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, #a78bfa, #5b8cff 45%, #3ad6ff 80%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.buy-hero .sub { max-width: 720px; margin: 0 auto 34px; font-size: 16px; color: var(--muted); line-height: 1.9; }
.buy-adv { list-style: none; margin: 0 auto; padding: 0; display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }
.buy-adv li {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: 999px;
  font-size: 13.5px; color: var(--text);
  background: rgba(16,28,58,.7); border: 1px solid var(--line);
}
.buy-adv li span { font-size: 16px; }

/* 服务说明 */
.buy-intro { padding: 46px 0 20px; }
.bi-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
.bi-copy .sec-chip { color: var(--violet); }
.bi-copy h2 { font-size: 28px; font-weight: 800; color: var(--text); margin: 12px 0 18px; }
.bi-copy p { font-size: 14.5px; color: var(--muted); line-height: 1.9; margin-bottom: 14px; }
.bi-card {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
  padding: 22px; border-radius: 20px;
  background: linear-gradient(180deg, rgba(16,28,58,.9), rgba(11,21,48,.96));
  border: 1px solid rgba(167,139,250,.18);
}
.bi-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px; border-radius: 14px;
  background: rgba(6,10,22,.4); border: 1px solid var(--line);
}
.bi-ico {
  flex: none; width: 38px; height: 38px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center; font-size: 18px;
  background: linear-gradient(135deg, rgba(167,139,250,.16), rgba(58,214,255,.14));
  border: 1px solid rgba(167,139,250,.3);
}
.bi-item b { font-size: 14px; color: var(--text); display: block; margin-bottom: 4px; }
.bi-item p { font-size: 12.5px; color: var(--dim); line-height: 1.6; margin: 0; }

/* 套餐购买 */
.buy-pack { padding: 46px 0 10px; position: relative; }
.pack-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 34px; }
.pack-card {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column;
  padding: 28px 26px 26px; border-radius: 22px;
  min-height: 356px;
  background:
    radial-gradient(420px 220px at 88% -12%, rgba(167,139,250,.20), transparent 62%),
    radial-gradient(260px 160px at 4% 96%, rgba(58,214,255,.08), transparent 60%),
    linear-gradient(180deg, rgba(18,32,66,.97), rgba(11,21,48,.99));
  border: 1px solid rgba(167,139,250,.22);
  transition: transform .35s, border-color .35s, box-shadow .35s;
}
.pack-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, #a78bfa, #5b8cff 50%, #3ad6ff); opacity: .9;
}
.pack-card:hover { transform: translateY(-6px); border-color: rgba(167,139,250,.55); box-shadow: 0 22px 55px rgba(167,139,250,.16); }
/* 卡片头部：套餐名 + 热门角标 */
.pack-card .pc-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.pack-card .pc-name { font-size: 15px; font-weight: 700; color: var(--cyan); letter-spacing: .1em; text-transform: uppercase; }
.pack-card .pc-hot {
  font-size: 11px; letter-spacing: .08em; color: #0b1026; font-weight: 700;
  padding: 4px 11px; border-radius: 999px; white-space: nowrap;
  background: linear-gradient(120deg, #a78bfa, #5b8cff);
  box-shadow: 0 4px 16px rgba(167,139,250,.45);
  animation: hotPulse 2.2s ease-in-out infinite;
}
@keyframes hotPulse { 0%,100% { transform: scale(1); box-shadow: 0 4px 16px rgba(167,139,250,.45); } 50% { transform: scale(1.06); box-shadow: 0 4px 24px rgba(167,139,250,.65); } }
/* 大次数：渐变数字 */
.pack-card .pc-num {
  display: block; font-size: 52px; font-weight: 900; line-height: 1.1;
  margin: 14px 0 10px; letter-spacing: .01em;
  background: linear-gradient(120deg, #fff 20%, #c7d6ff 60%, #8ab6ff);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.pack-card .pc-num small { font-size: 20px; font-weight: 700; margin-left: 6px; -webkit-text-fill-color: var(--muted); }
/* 机率区：标签 + 大百分比 + 进度条 */
.pack-card .pc-rate {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 10px 14px; border-radius: 14px;
  background: rgba(6,10,22,.5); border: 1px solid var(--line);
  margin-bottom: 16px;
}
.pack-card .pc-rate-lab { font-size: 12px; color: var(--dim); letter-spacing: .06em; }
.pack-card .pc-rate em {
  font-style: normal; font-size: 22px; font-weight: 800; line-height: 1;
  background: linear-gradient(120deg, #34d399, #3ad6ff);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.pack-card .pc-bar { display: block; width: 100%; height: 5px; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden; margin-top: 2px; }
.pack-card .pc-bar b { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, #34d399, #3ad6ff); transition: width .6s ease; }
.pack-card .pc-desc { font-size: 13px; color: var(--muted); line-height: 1.8; margin-bottom: 20px; flex: 1; }
.pack-card .pc-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 20px; border-radius: 13px;
  font-size: 15px; font-weight: 700; color: #fff; text-decoration: none;
  background: linear-gradient(120deg, #a78bfa, #5b8cff 55%, #3ad6ff);
  box-shadow: 0 8px 24px rgba(91,140,255,.25);
  transition: transform .3s, box-shadow .3s, filter .3s;
}
.pack-card .pc-btn span { transition: transform .3s; }
.pack-card .pc-btn:hover { transform: translateY(-2px); filter: brightness(1.1); box-shadow: 0 12px 30px rgba(167,139,250,.4); }
.pack-card .pc-btn:hover span { transform: translateX(4px); }
/* 热门款高亮：紫蓝渐变底色 + 光晕 */
.pack-card.hot {
  border-color: rgba(167,139,250,.6);
  background:
    radial-gradient(480px 260px at 90% -10%, rgba(167,139,250,.42), transparent 62%),
    radial-gradient(320px 200px at 6% 40%, rgba(91,140,255,.22), transparent 60%),
    linear-gradient(135deg, rgba(38,26,82,.94), rgba(16,28,58,.96) 55%, rgba(11,21,48,.98));
  box-shadow: 0 20px 55px rgba(167,139,250,.22), inset 0 0 0 1px rgba(167,139,250,.12);
}
.pack-card.hot::before { background: linear-gradient(90deg, #a78bfa, #5b8cff 45%, #3ad6ff); opacity: 1; height: 4px; }
.pack-card.hot .pc-name { color: #c4b5fd; }
.pack-card.hot .pc-rate em { background: linear-gradient(120deg, #c4b5fd, #a78bfa, #5b8cff); -webkit-background-clip: text; background-clip: text; }
.pack-card.hot .pc-bar b { background: linear-gradient(90deg, #c4b5fd, #5b8cff); }
.pack-note { text-align: center; font-size: 12.5px; color: var(--dim); margin-top: 26px; }

/* 为什么选择我们 */
.buy-why { padding: 60px 0 20px; }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 34px; }
.why-card {
  padding: 26px 22px; border-radius: 18px; text-align: center;
  background: linear-gradient(180deg, rgba(16,28,58,.85), rgba(11,21,48,.94));
  border: 1px solid var(--line);
  transition: transform .35s, border-color .35s;
}
.why-card:hover { transform: translateY(-4px); border-color: rgba(167,139,250,.4); }
.why-card .wy-ico {
  width: 54px; height: 54px; margin: 0 auto 16px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center; font-size: 24px;
  background: linear-gradient(135deg, rgba(167,139,250,.18), rgba(58,214,255,.14));
  border: 1px solid rgba(167,139,250,.3);
}
.why-card h3 { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.why-card p { font-size: 13px; color: var(--muted); line-height: 1.75; margin: 0; }

@media (max-width: 1024px) {
  .bi-grid { grid-template-columns: 1fr; }
  .pack-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .buy-hero h1 { font-size: 34px; }
  .buy-hero .sub { font-size: 14.5px; }
  .bi-card { grid-template-columns: 1fr; }
  .pack-grid, .why-grid { grid-template-columns: 1fr; }
}