/* ============================================================
   分类页 / 详情页 — 浅蓝 + 暖杏橙
   ============================================================ */

/* ---------------- PAGE HERO ---------------- */
.phero{
  position:relative;background:var(--g-sky);color:var(--t-1);overflow:hidden;
  padding:52px 0 50px;border-bottom:1px solid var(--line);
}
.phero::before{
  content:"";position:absolute;right:-120px;top:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,184,148,.34),transparent 68%);
}
.phero::after{
  content:"";position:absolute;left:-100px;bottom:-200px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(107,171,221,.26),transparent 68%);
}
.phero__in{position:relative;z-index:2;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.phero h1{font-size:34px;color:var(--t-1);font-weight:700;letter-spacing:-.01em;margin-top:10px}
.phero p{margin-top:14px;font-size:14px;color:var(--t-2);max-width:660px;line-height:1.95}
.phero__stats{display:flex;gap:44px;margin-top:28px;flex-wrap:wrap}
.phero__stats div b{display:block;font-family:var(--ff-num);font-size:26px;color:var(--sky-700);font-weight:400}
.phero__stats div span{font-size:12px;color:var(--t-3)}

/* ---------------- 分类布局 ---------------- */
.cat-layout{display:grid;grid-template-columns:238px 1fr;gap:34px;align-items:start}
.side{position:sticky;top:132px;border:1px solid var(--line);border-radius:var(--r-l);background:#fff;overflow:hidden}
.side__hd{padding:18px 20px;border-bottom:1px solid var(--line);background:var(--sky-050)}
.side__hd h5{font-size:14px;color:var(--t-1);font-weight:700;display:flex;align-items:center;gap:9px}
.side__hd h5::before{content:"";width:3px;height:13px;background:var(--g-warm-hi)}
.side__bd{padding:8px 0 14px;max-height:calc(100vh - 230px);overflow:auto}
.side__bd::-webkit-scrollbar{width:4px}
.side__bd::-webkit-scrollbar-thumb{background:var(--line-3);border-radius:2px}
.side__row{border-bottom:1px solid var(--line)}
.side__row:last-child{border-bottom:0}
.side__row > a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 20px;font-size:13.5px;color:var(--t-2);
  transition:.2s;
}
.side__row > a:hover{color:var(--sky-700);background:var(--sky-050)}
.side__row > a em{font-style:normal;font-family:var(--ff-num);font-size:11px;color:var(--t-4)}
.side__row > a.on{color:var(--sky-700);background:var(--sky-050);box-shadow:inset 2px 0 0 var(--sky-500);font-weight:700}
.side__row > a.on em{color:var(--sky-600)}
.side__sub{padding:2px 20px 12px 34px;display:none}
.side__row.open .side__sub{display:block}
.side__sub a{display:block;font-size:12.5px;color:var(--t-3);padding:5px 0;transition:.18s}
.side__sub a:hover{color:var(--sky-700);transform:translateX(3px)}
.side__hot{padding:18px 20px;background:var(--g-warm-soft);border-radius:0 0 var(--r-l) var(--r-l)}
.side__hot h6{font-size:12px;color:var(--warm-700);letter-spacing:.1em;margin-bottom:8px}
.side__hot p{font-size:12.5px;color:var(--warm-700);line-height:1.75;margin-bottom:12px;opacity:.88}
.side__hot a{font-size:12px;color:var(--warm-700);font-weight:700}

/* 筛选条 */
.filters{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding:16px 20px;background:var(--sky-050);
  border:1px solid var(--line);border-radius:var(--r-l);margin-bottom:24px;
}
.filters__g{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.filters__g label{font-size:12px;color:var(--t-4);letter-spacing:.06em}
.chip{
  height:28px;padding:0 13px;display:inline-flex;align-items:center;font-size:12.5px;color:var(--t-2);
  background:#fff;border:1px solid var(--line-2);border-radius:14px;transition:.2s;
}
.chip:hover{border-color:var(--sky-400);color:var(--sky-700)}
.chip.on{background:var(--g-primary-hi);border-color:transparent;color:#fff}
.filters__r{margin-left:auto;display:flex;align-items:center;gap:14px;font-size:12.5px;color:var(--t-3)}
.filters__r select{height:30px;border:1px solid var(--line-2);border-radius:4px;padding:0 8px;font-size:12.5px;background:#fff;color:var(--t-2)}
.cat-count{font-size:13px;color:var(--t-3);margin-bottom:20px}
.cat-count b{color:var(--sky-700);font-family:var(--ff-num);font-size:16px;font-weight:400}

.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:46px}
.pager button{
  min-width:36px;height:36px;padding:0 12px;border:1px solid var(--line-2);border-radius:4px;font-size:13px;
  color:var(--t-2);background:#fff;transition:.2s;
}
.pager button:hover{border-color:var(--sky-400);color:var(--sky-700)}
.pager button.on{background:var(--sky-700);border-color:var(--sky-700);color:#fff}
.pager button:disabled{opacity:.4;cursor:not-allowed}

/* ---------------- 详情 ---------------- */
.pd{display:grid;grid-template-columns:minmax(0,520px) minmax(0,1fr);gap:56px;align-items:start}
.gal{display:flex;gap:14px}
.gal__thumbs{width:74px;flex:none;display:flex;flex-direction:column;gap:10px}
.gal__thumb{
  width:74px;height:74px;border:1px solid var(--line);border-radius:var(--r);background:linear-gradient(160deg,#FDFDFC,#F3F3F1);
  display:flex;align-items:center;justify-content:center;overflow:hidden;transition:.22s;cursor:pointer;
}
.gal__thumb img{width:86%;height:86%;object-fit:contain;transition:transform .4s}
.gal__thumb:hover img{transform:scale(1.07)}
.gal__thumb.on{border-color:var(--sky-500);box-shadow:0 0 0 2px rgba(62,143,201,.18)}
.gal__main{
  flex:1;position:relative;aspect-ratio:1/1;border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;
  background:linear-gradient(160deg,#FDFDFC,#F3F3F1);display:flex;align-items:center;justify-content:center;cursor:zoom-in;
}
.gal__main img{width:86%;height:86%;object-fit:contain;transition:opacity .3s}
.gal__main.zoomed img{position:absolute;transform-origin:0 0;transition:none}
.gal__hint{
  position:absolute;right:12px;bottom:12px;font-size:11px;color:var(--t-4);display:flex;align-items:center;gap:5px;
  background:rgba(255,255,255,.86);padding:4px 9px;border-radius:3px;pointer-events:none;
}
.gal__badges{position:absolute;left:12px;top:12px;display:flex;flex-direction:column;gap:6px;z-index:2}
.gal__badges span{font-size:11px;letter-spacing:.08em;padding:3px 9px;border-radius:2px;background:var(--sky-700);color:#fff}
.gal__badges span.warm{background:var(--g-warm-hi);color:#4A2410}

.pd__info .eyebrow{margin-bottom:14px}
.pd__info h1{font-size:28px;line-height:1.45;color:var(--t-1);font-weight:700;letter-spacing:-.005em;margin-bottom:14px}
.pd__meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;font-size:12.5px;color:var(--t-4);padding-bottom:20px;border-bottom:1px solid var(--line)}
.pd__meta b{color:var(--t-2);font-weight:400}
.pd__meta span{display:inline-flex;align-items:center;gap:6px}
.pd__meta span::before{content:"";width:1px;height:11px;background:var(--line-2)}
.pd__meta span:first-child::before{display:none}

.pd__key{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);margin:22px 0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.pd__key div{background:var(--sky-050);padding:16px 14px;text-align:center}
.pd__key b{display:block;font-family:var(--ff-num);font-size:19px;color:var(--warm-600);font-weight:400;line-height:1.2}
.pd__key span{font-size:11px;color:var(--t-3);margin-top:6px;display:block}

.pd__tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}

.pd__cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.pd__cta .btn{min-width:170px}
.pd__dl{margin-top:22px;font-size:12.5px;color:var(--t-4);display:flex;gap:26px;flex-wrap:wrap}
.pd__dl a{color:var(--t-3);display:inline-flex;align-items:center;gap:6px}
.pd__dl a:hover{color:var(--sky-600)}
.pd__dl svg{width:13px;height:13px}

.pd__assure{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);margin-top:40px;border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden}
.pd__assure div{background:#fff;padding:22px 20px;text-align:center}
.pd__assure .ic{display:block;width:26px;height:26px;color:var(--sky-500);margin:0 auto 12px}
.pd__assure .ic svg{width:100%;height:100%;display:block}
.pd__assure b{display:block;font-size:13px;color:var(--t-1);font-weight:700;margin-bottom:4px}
.pd__assure span{font-size:11.5px;color:var(--t-4)}

/* 选项卡 */
.pd-tabs{margin-top:64px}
.pd-tabs__nav{display:flex;gap:34px;border-bottom:1px solid var(--line);position:sticky;top:74px;background:#fff;z-index:20}
.pd-tabs__nav button{position:relative;padding:0 0 16px;font-size:16px;color:var(--t-3);transition:.22s}
.pd-tabs__nav button::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--g-warm-hi);transform:scaleX(0);transition:transform .26s}
.pd-tabs__nav button:hover{color:var(--t-1)}
.pd-tabs__nav button.on{color:var(--sky-700);font-weight:700}
.pd-tabs__nav button.on::after{transform:scaleX(1)}
.pd-tabs__pane{display:none;padding:38px 0 0}
.pd-tabs__pane.on{display:block}
.pd-desc{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:44px}
.pd-desc h4{font-size:17px;color:var(--t-1);margin:28px 0 14px;font-weight:700}
.pd-desc h4:first-child{margin-top:0}
.pd-desc p{font-size:14px;line-height:2.1;color:var(--t-2);margin-bottom:14px}
.pd-desc > div > ul{margin:0 0 16px}
.pd-desc > div > ul > li{font-size:14px;line-height:2;color:var(--t-2);padding-left:18px;position:relative}
.pd-desc > div > ul > li::before{content:"";position:absolute;left:2px;top:13px;width:5px;height:5px;background:var(--warm-400);transform:rotate(45deg)}
.pd-desc figure{margin:0 0 26px;border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;background:linear-gradient(160deg,#FDFCFA,#F3F1EC)}
.pd-desc figure img{width:100%;height:auto;object-fit:contain;background:#fff}
.pd-card{border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;background:#fff;height:fit-content}
.pd-card h5{font-size:14px;color:var(--t-1);padding:18px 22px;border-bottom:1px solid var(--line);font-weight:700;display:flex;align-items:center;gap:9px}
.pd-card h5::before{content:"";width:3px;height:13px;background:var(--g-warm-hi)}
.pd-card__bd{padding:18px 22px 22px}
.pd-card__bd li{font-size:13px;color:var(--t-2);padding:7px 0;display:flex;justify-content:space-between;gap:12px;border-bottom:1px dashed var(--line)}
.pd-card__bd li:last-child{border-bottom:0}
.pd-card__bd li span{color:var(--t-2)}
.pd-card__bd li b{color:var(--t-1);font-weight:700;text-align:right}

.spec{width:100%;border-collapse:collapse;font-size:13.5px}
.spec tr{border-bottom:1px solid var(--line)}
.spec tr:hover{background:var(--sky-050)}
.spec th{width:180px;text-align:left;font-weight:400;color:var(--t-3);padding:13px 16px;background:var(--sky-050);vertical-align:top}
.spec td{padding:13px 16px;color:var(--t-1)}
.spec td em{font-style:normal;color:var(--t-3);font-size:12px}
.spec-h{font-size:16px;color:var(--t-1);margin:26px 0 14px;display:flex;align-items:center;gap:10px}
.spec-h:first-child{margin-top:0}
.spec-h::before{content:"";width:3px;height:14px;background:var(--g-warm-hi)}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{position:relative;padding-top:26px}
.step::before{content:"";position:absolute;left:0;right:-22px;top:7px;height:1px;background:var(--line-2)}
.step:last-child::before{display:none}
.step__no{font-family:var(--ff-num);font-size:12px;letter-spacing:.2em;color:var(--warm-500);display:block;margin-bottom:10px}
.step__dot{position:absolute;left:0;top:2px;width:11px;height:11px;border-radius:50%;background:var(--g-warm-hi);box-shadow:0 0 0 4px #fff,0 0 0 5px var(--warm-200)}
.step h5{font-size:15px;color:var(--t-1);font-weight:700;margin-bottom:8px}
.step p{font-size:12.5px;color:var(--t-3);line-height:1.9}

.faq{border-top:1px solid var(--line)}
.faq__i{border-bottom:1px solid var(--line)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 4px;
  font-size:15px;color:var(--t-1);text-align:left;transition:.2s;
}
.faq__q:hover{color:var(--sky-700)}
.faq__q i{width:20px;height:20px;flex:none;border:1px solid var(--line-2);border-radius:50%;position:relative}
.faq__q i::before,.faq__q i::after{content:"";position:absolute;left:50%;top:50%;background:var(--t-3);transform:translate(-50%,-50%);transition:.26s}
.faq__q i::before{width:9px;height:1px}
.faq__q i::after{width:1px;height:9px}
.faq__i.open .faq__q i::after{transform:translate(-50%,-50%) scaleY(0)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .34s cubic-bezier(.22,.61,.36,1)}
.faq__a p{font-size:13.5px;line-height:2;color:var(--t-2);padding:0 4px 22px;max-width:900px}

.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}

@media (max-width:1080px){
  .cat-layout{grid-template-columns:1fr}
  .side{position:static}
  .pd{grid-template-columns:1fr;gap:36px}
  .pd-desc{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .pd__assure{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .gal{flex-direction:column-reverse}
  .gal__thumbs{width:100%;flex-direction:row}
  .gal__thumb{width:62px;height:62px}
  .pd-tabs__nav{gap:20px;overflow:auto}
  .pd-tabs__nav button{font-size:14px;white-space:nowrap}
  .rel-grid{grid-template-columns:1fr 1fr}
}