:root{
  --text:#172033;--muted:#5f6b7a;--brand:#c0392b;--brand-2:#e0533f;--price:#cf3f1f;
  --glass:rgba(255,255,255,.46);--glass-strong:rgba(255,255,255,.66);
  --glass-line:rgba(255,255,255,.72);--radius:22px;
  --shadow:0 20px 50px rgba(31,41,55,.12),inset 0 1px 0 rgba(255,255,255,.82);
  --shadow-hover:0 30px 70px rgba(31,41,55,.18),inset 0 1px 0 rgba(255,255,255,.95);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  min-height:100vh;background:#eef2f7;color:var(--text);overflow-x:hidden;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  line-height:1.65;-webkit-font-smoothing:antialiased;
}
/* 流动彩色背景 */
body::before{
  content:"";position:fixed;inset:-28%;z-index:-2;pointer-events:none;
  background:
    radial-gradient(36% 42% at 14% 20%,rgba(224,83,63,.46),transparent 66%),
    radial-gradient(30% 36% at 84% 10%,rgba(124,58,237,.26),transparent 66%),
    radial-gradient(40% 44% at 86% 84%,rgba(37,99,235,.22),transparent 66%),
    radial-gradient(34% 38% at 14% 88%,rgba(234,88,12,.24),transparent 66%),
    linear-gradient(135deg,#eef2f7 0%,#f9fafc 52%,#edf1f7 100%);
  filter:saturate(1.06);
  animation:bgFloat 26s ease-in-out infinite alternate;
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(70% 46% at 50% 0%,rgba(255,255,255,.55),transparent 72%);
}
@keyframes bgFloat{
  0%{transform:translate3d(-1.5%,-1%,0) scale(1.02)}
  50%{transform:translate3d(1%,1.5%,0) scale(1.05)}
  100%{transform:translate3d(2%,-1.5%,0) scale(1.03)}
}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}

/* 顶部玻璃栏 */
.site-header{
  position:sticky;top:0;z-index:30;
  background:linear-gradient(120deg,rgba(255,255,255,.7),rgba(255,255,255,.4));
  -webkit-backdrop-filter:blur(26px) saturate(180%);backdrop-filter:blur(26px) saturate(180%);
  border-bottom:1px solid rgba(255,255,255,.7);
  box-shadow:0 12px 38px rgba(31,41,55,.08);
}
.header-inner{display:flex;flex-direction:column;gap:2px;padding:14px 16px}
.header-inner:has(.back){flex-direction:row;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:10px;font-size:26px;font-weight:800;letter-spacing:.2px;color:#111827;line-height:1.2}
.brand::before{
  content:"料";flex:none;width:38px;height:38px;border-radius:13px;
  display:grid;place-items:center;color:#fff;font-size:18px;font-weight:800;
  background:linear-gradient(145deg,#ef6a56,#a51f13);
  box-shadow:0 10px 24px rgba(192,57,43,.32),inset 0 1px 0 rgba(255,255,255,.42);
}
.subtitle{font-size:13px;font-weight:500;color:var(--muted);margin-left:48px;letter-spacing:.2px}
.back{
  flex:none;font-size:13px;font-weight:600;color:#3f4a5a;padding:7px 13px;border-radius:999px;
  background:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.7);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:0 4px 14px rgba(31,41,55,.07);transition:.2s ease;
}
.back:hover{background:rgba(255,255,255,.7);transform:translateY(-1px)}

/* 公告/分类 */
.notice{
  margin:18px 0 0;padding:11px 15px;border-radius:14px;font-size:13.5px;color:#7a4b12;
  background:linear-gradient(120deg,rgba(255,245,219,.7),rgba(255,255,255,.5));
  border:1px solid rgba(255,255,255,.75);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  box-shadow:0 8px 24px rgba(120,80,20,.08);
}
.cats{
  display:flex;flex-wrap:wrap;gap:6px;margin:20px 0 2px;padding:6px;width:fit-content;max-width:100%;
  background:rgba(255,255,255,.38);border:1px solid rgba(255,255,255,.7);border-radius:999px;
  -webkit-backdrop-filter:blur(20px) saturate(150%);backdrop-filter:blur(20px) saturate(150%);
  box-shadow:0 10px 28px rgba(31,41,55,.08),inset 0 1px 0 rgba(255,255,255,.8);
}
.cat{
  border:1px solid transparent;background:transparent;color:#59667a;
  border-radius:999px;padding:7px 15px;font-size:13px;font-weight:600;cursor:pointer;
  transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.cat:hover{background:rgba(255,255,255,.55);color:#263244}
.cat.active{
  color:#fff;background:linear-gradient(135deg,#e35b47,#b62a1d);
  box-shadow:0 8px 20px rgba(192,57,43,.28),inset 0 1px 0 rgba(255,255,255,.35);
}

/* 课程卡片 */
.grid{display:grid;grid-template-columns:1fr;gap:18px;margin:18px 0 38px}
@media(min-width:640px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:980px){.grid{grid-template-columns:repeat(3,1fr)}}
.card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;cursor:pointer;
  border-radius:var(--radius);isolation:isolate;
  background:linear-gradient(145deg,rgba(255,255,255,.72),rgba(255,255,255,.44));
  border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(18px) saturate(160%);backdrop-filter:blur(18px) saturate(160%);
  box-shadow:var(--shadow);
  transition:transform .36s cubic-bezier(.2,.8,.2,1),box-shadow .36s ease,border-color .36s ease;
}
.card::before{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;border-radius:inherit;
  background:linear-gradient(132deg,rgba(255,255,255,.52) 0%,rgba(255,255,255,.08) 32%,transparent 58%,rgba(255,255,255,.22) 100%);
  opacity:.75;transition:opacity .3s ease;
}
.card:hover{
  transform:translateY(-6px);border-color:rgba(255,255,255,.95);
  box-shadow:var(--shadow-hover);
}
.card:hover::before{opacity:1}
.cover{
  width:100%;aspect-ratio:16/9;display:block;object-fit:cover;background:#dfe5ee;
  transform:scale(1.001);transition:transform .5s cubic-bezier(.2,.8,.2,1);
}
.card:hover .cover{transform:scale(1.035)}
.cover.placeholder{
  display:flex;align-items:center;justify-content:center;color:#9aa7b8;font-size:13px;
  background:linear-gradient(135deg,rgba(238,242,247,.9),rgba(215,223,234,.9));
}
.card-body{
  position:relative;z-index:3;padding:15px 17px 17px;display:flex;flex-direction:column;gap:7px;
  background:linear-gradient(180deg,rgba(255,255,255,.16),rgba(255,255,255,.44));
}
.card-title{
  font-size:16.5px;font-weight:800;line-height:1.4;color:#1a2230;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:46px;
}
.card-sub{
  font-size:12.5px;color:#657184;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:38px;
}
.card-meta{display:flex;align-items:flex-end;justify-content:space-between;gap:10px;margin-top:4px;padding-top:9px;border-top:1px solid rgba(255,255,255,.5)}
.lecturer{font-size:12px;color:#6b7788;line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:62%}
.price{color:var(--price);font-weight:800;font-size:20px;letter-spacing:-.3px;white-space:nowrap;text-shadow:0 1px 0 rgba(255,255,255,.5)}
.price .rmb{font-size:13px;margin-right:1px}
.empty{text-align:center;color:var(--muted);padding:60px 0}
.loading{padding:60px 0;text-align:center;color:var(--muted)}

/* 加载更多 */
.load-more-wrap{text-align:center;padding:4px 0 46px}
.load-more{
  border:1px solid rgba(255,255,255,.78);color:#334155;border-radius:999px;padding:12px 36px;
  font-size:14px;font-weight:700;cursor:pointer;
  background:linear-gradient(145deg,rgba(255,255,255,.7),rgba(255,255,255,.42));
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:0 12px 30px rgba(31,41,55,.11),inset 0 1px 0 rgba(255,255,255,.9);
  transition:.24s ease;
}
.load-more:hover{transform:translateY(-2px);background:rgba(255,255,255,.78);box-shadow:0 18px 38px rgba(31,41,55,.16)}

/* 页脚 */
.site-footer{
  margin-top:28px;padding:24px 0 26px;color:#5f6b7a;font-size:13px;
  background:linear-gradient(145deg,rgba(255,255,255,.5),rgba(255,255,255,.3));
  border-top:1px solid rgba(255,255,255,.7);
  -webkit-backdrop-filter:blur(22px) saturate(150%);backdrop-filter:blur(22px) saturate(150%);
}
.footer-text{margin-bottom:8px}
.footer-text:empty{display:none;margin:0}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 16px;margin:8px 0}
.footer-links a{color:#566377;transition:color .2s ease}
.footer-links a:hover{color:var(--brand)}
.copyright{margin-top:8px;font-size:11.5px;color:#8a96a8}

/* 课程详情 */
.detail-wrap{padding-top:22px;padding-bottom:46px}
.detail-card{
  position:relative;border-radius:24px;padding:20px 18px 24px;overflow:hidden;
  background:linear-gradient(150deg,rgba(255,255,255,.7),rgba(255,255,255,.42));
  border:1px solid rgba(255,255,255,.78);
  -webkit-backdrop-filter:blur(24px) saturate(160%);backdrop-filter:blur(24px) saturate(160%);
  box-shadow:var(--shadow);
}
.detail-card::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(135deg,rgba(255,255,255,.45),transparent 38%,transparent 70%,rgba(255,255,255,.18));
}
.detail-title{position:relative;font-size:23px;font-weight:800;margin:0 0 6px;letter-spacing:.1px}
.detail-sub{position:relative;color:#657184;font-size:14px;margin-bottom:12px}
.detail-cover{position:relative;width:100%;border-radius:16px;margin:8px 0 16px;background:#e2e8f1;display:block;box-shadow:0 14px 36px rgba(31,41,55,.14)}
.detail-meta{position:relative;display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:#6b7788;margin-bottom:14px}
.section-title{
  position:relative;font-size:16px;font-weight:800;margin:24px 0 11px;padding-left:12px;
  color:#1d2735;
}
.section-title::before{content:"";position:absolute;left:0;top:2px;bottom:2px;width:4px;border-radius:4px;background:linear-gradient(180deg,#ef6a56,#b62a1d)}
.intro{position:relative}
.intro p{margin:0 0 10px;font-size:15px;color:#344054}
.outline{list-style:none;margin:0;padding:0;position:relative}
.outline li{
  border:1px solid rgba(255,255,255,.7);border-radius:14px;padding:11px 14px;margin-bottom:9px;
  background:rgba(255,255,255,.38);box-shadow:inset 0 1px 0 rgba(255,255,255,.55);
}
.ch-title{font-weight:700;font-size:14px;color:#243044}
.ch-sum{font-size:12.5px;color:#6b7788;margin-top:3px}
.buy-bar{
  position:sticky;bottom:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:24px;padding:12px 16px;border-radius:20px;
  background:linear-gradient(145deg,rgba(255,255,255,.72),rgba(255,255,255,.44));
  border:1px solid rgba(255,255,255,.8);
  -webkit-backdrop-filter:blur(24px) saturate(170%);backdrop-filter:blur(24px) saturate(170%);
  box-shadow:0 -8px 30px rgba(31,41,55,.12),inset 0 1px 0 rgba(255,255,255,.9);
}
.buy-price{color:var(--price);font-weight:800;font-size:23px;letter-spacing:-.4px}
.buy-btn{
  border:1px solid rgba(255,255,255,.5);color:#fff;border-radius:999px;padding:12px 30px;
  font-size:15px;font-weight:800;cursor:pointer;user-select:none;
  background:linear-gradient(145deg,#ef6a56,#b62a1d);
  box-shadow:0 12px 26px rgba(192,57,43,.3),inset 0 1px 0 rgba(255,255,255,.36);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.buy-btn:hover{transform:translateY(-1px);filter:brightness(1.03);box-shadow:0 16px 32px rgba(192,57,43,.36)}
.buy-btn:active{transform:translateY(0);opacity:.9}
.buy-note{font-size:12px;color:#8a96a8;margin-top:6px;text-align:center}

@media(min-width:760px){
  .detail-wrap{padding-top:28px}
  .detail-card{padding:26px 30px 30px}
  .detail-title{font-size:27px}
}
@media(max-width:560px){
  .brand{font-size:21px;gap:8px}
  .brand::before{width:33px;height:33px;border-radius:11px;font-size:16px}
  .subtitle{margin-left:41px;font-size:12px}
  .header-inner{padding:12px 14px}
  .card-title{font-size:15.5px;min-height:43px}
  .price{font-size:19px}
  .cats{margin-top:16px}
  .cat{padding:6px 12px;font-size:12.5px}
  .detail-card{padding:16px 14px 20px}
  .detail-title{font-size:21px}
  .buy-bar{padding:10px 12px;border-radius:18px}
  .buy-btn{padding:11px 24px}
}

/* ===== 工艺好物（独立商品板块；不影响课程样式） ===== */
.header-inner .nav-link{margin-left:auto;color:#334155;text-decoration:none;font-size:13px;font-weight:600;padding:7px 12px;border-radius:10px;border:1px solid rgba(255,255,255,.8);background:rgba(255,255,255,.55);box-shadow:0 4px 14px rgba(31,41,55,.06);white-space:nowrap}
.header-inner .nav-link:hover{background:rgba(255,255,255,.85);color:#111827}
.goods-block{margin:8px 0 46px;padding-top:6px}
.goods-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:0 0 14px}
.goods-heading{font-size:21px;line-height:1.25;margin:0 0 5px;letter-spacing:.2px;color:#172033}
.goods-sub{margin:0;color:#667386;font-size:13px}
.goods-more{flex:none;color:#3b5bdb;text-decoration:none;font-size:13px;font-weight:700;padding:8px 12px;border-radius:10px;background:rgba(255,255,255,.65);border:1px solid rgba(255,255,255,.9)}
.goods-more:hover{background:#fff}
.goods-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0 0 14px}
@media(min-width:680px){.goods-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}}
@media(min-width:980px){.goods-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.goods-card{display:flex;flex-direction:column;min-width:0;overflow:hidden;border-radius:16px;text-decoration:none;color:inherit;background:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.9);box-shadow:0 12px 30px rgba(31,41,55,.09);transition:transform .18s ease,box-shadow .18s ease}
.goods-card:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(31,41,55,.14)}
.goods-cover{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;background:#dbe4ef}
.goods-cover-empty{display:flex;align-items:center;justify-content:center;color:#7b8798;font-size:13px}
.goods-card-body{position:relative;display:flex;flex-direction:column;gap:3px;padding:9px 10px 11px;min-width:0}
.goods-badge{position:absolute;top:8px;right:8px;font-size:10px;line-height:1;color:#0f766e;background:rgba(204,251,241,.95);border:1px solid rgba(153,246,228,.9);border-radius:999px;padding:3px 6px;font-weight:700}
.goods-title{font-size:13.5px;line-height:1.35;font-weight:800;color:#1f2937;min-height:36px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.goods-sub{font-size:11.5px;line-height:1.35;color:#6b7788;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.goods-meta{display:flex;align-items:flex-end;justify-content:space-between;gap:8px;margin-top:4px;padding-top:7px;border-top:1px solid rgba(255,255,255,.7)}
.goods-cat{font-size:10.5px;color:#7a8698;line-height:1.3;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.goods-price{flex:none;color:#0f766e;font-weight:800;font-size:15px;line-height:1}
.goods-price .rmb{font-size:11px;font-weight:700;margin-right:1px}
.goods-compliance{margin:0;color:#8491a3;font-size:11.5px;line-height:1.55}

.goods-page{padding-top:14px;padding-bottom:44px}
.goods-page-head{margin:0 0 10px}
.goods-page-head h1{font-size:26px;line-height:1.2;margin:0 0 6px;letter-spacing:.2px;color:#172033}
.goods-page-head p{margin:0 0 10px;color:#677488;font-size:13px;line-height:1.65}
.goods-page .goods-compliance{margin:0 0 16px;padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.55);border:1px solid rgba(255,255,255,.85)}
.goods-cats{margin-top:2px}
.goods-page .goods-empty{margin:20px 0}
.goods-detail-card{max-width:820px;margin:0 auto}
.goods-detail-cover{aspect-ratio:4/3;object-fit:cover;max-height:520px}
.goods-buy-bar{flex-wrap:wrap;gap:10px}
.goods-buy-note{font-size:11.5px;color:#7b8798;flex:1;min-width:140px}
.goods-buy-btn{text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
.goods-specs{margin:8px 0 4px;border-radius:13px;overflow:hidden;background:rgba(255,255,255,.55);border:1px solid rgba(255,255,255,.9)}
.goods-spec-row{display:flex;gap:12px;padding:9px 12px;border-top:1px solid rgba(148,163,184,.18);font-size:13px;line-height:1.5}
.goods-spec-row:first-child{border-top:0}
.goods-spec-k{flex:none;width:74px;color:#8491a3}
.goods-spec-v{flex:1;color:#334155;word-break:break-word}
.goods-notice{margin:14px 0 2px;padding:10px 12px;border-radius:12px;background:rgba(255,251,235,.8);border:1px solid rgba(253,230,138,.9);color:#78716c;font-size:11.5px;line-height:1.6}
@media(max-width:560px){.goods-heading{font-size:19px}.goods-page-head h1{font-size:23px}.goods-grid{gap:10px}.goods-title{font-size:12.5px;min-height:34px}.goods-price{font-size:14px}}

/* 商品与课程混排：商品卡标记 */
.card.product-card{position:relative}
.product-badge{position:absolute;z-index:3;top:10px;right:10px;font-size:10px;line-height:1;color:#9f1239;background:rgba(255,241,242,.96);border:1px solid rgba(254,205,211,.95);border-radius:999px;padding:4px 7px;font-weight:800;box-shadow:0 4px 10px rgba(159,18,57,.12)}
.product-card .card-meta .lecturer{color:#9f1239}
.product-card .price{color:#9f1239}

/* ===== 严选好物扩展（2026-10-27 经营范围扩展） ===== */
.goods-cat-intro{margin:10px 0 14px;padding:10px 12px;border-radius:12px;background:rgba(240,249,255,.72);border:1px solid rgba(186,230,253,.85);color:#475569;font-size:12.5px;line-height:1.65}
.goods-cat-intro-inline{margin:0 0 12px;color:#64748b;font-size:12px;line-height:1.6;background:rgba(240,249,255,.6);border:1px solid rgba(186,230,253,.6);border-radius:11px;padding:8px 11px}
.goods-cats{flex-wrap:wrap;overflow:visible;height:auto;gap:8px}
.goods-cats .cat{white-space:nowrap}
.price-inquiry,.goods-price-inquiry{font-size:15px;color:#0f766e;font-weight:800;letter-spacing:.5px}
.price-tiered,.goods-price-tiered{font-size:16px}
.price-tiered em,.goods-price-tiered em{font-style:normal;font-size:10.5px;font-weight:700;margin-left:1px;color:#64748b}
.buy-price.price-inquiry{font-size:18px;color:#0f766e}
.goods-buy-price{white-space:normal;line-height:1.35}