/* =========================================================
   资料下载中心 · 全新版式（资源库 / 分类筛选 / 文件卡片）
   仅作用于下载页本体；公共顶部/底部与全局令牌见 inner.css
   ========================================================= */
.dl-main{display:block}

.dl-hero{position:relative;isolation:isolate;color:#fff;padding:clamp(112px,14vh,162px) 0 clamp(52px,6vw,88px);overflow:hidden;background:linear-gradient(155deg,#0d2a1f 0%,#103024 52%,#16432f 100%);background-size:cover;background-position:center}
.dl-hero-veil{position:absolute;inset:0;z-index:-2;background:
  linear-gradient(100deg,rgba(9,32,23,.94) 0%,rgba(11,38,27,.84) 46%,rgba(16,48,36,.55) 100%),
  linear-gradient(180deg,rgba(9,32,23,.28),rgba(9,32,23,.5))}
.dl-orb{position:absolute;z-index:-1;border-radius:46% 54% 60% 40%/48% 44% 56% 52%;filter:blur(34px);opacity:.45;pointer-events:none}
.dl-orb-1{width:320px;height:300px;right:-70px;top:3%;background:radial-gradient(circle,rgba(55,168,106,.9),transparent 68%)}
.dl-orb-2{width:230px;height:250px;left:-60px;bottom:-70px;background:radial-gradient(circle,rgba(200,163,92,.5),transparent 68%)}
.dl-hero-inner{position:relative;z-index:1}
.dl-hero-crumb{display:flex;align-items:center;gap:9px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:24px}
.dl-hero-crumb a{color:rgba(255,255,255,.8);text-decoration:none;transition:color .2s}
.dl-hero-crumb a:hover{color:var(--fx-gold-l)}
.dl-crumb-sep{color:rgba(255,255,255,.34)}
.dl-eyebrow{display:inline-flex;align-items:center;gap:12px;margin:0 0 16px;font-size:12px;font-weight:700;letter-spacing:.26em;color:var(--fx-gold-l)}
.dl-eyebrow i{width:30px;height:1px;background:linear-gradient(90deg,var(--fx-gold-l),rgba(226,199,145,0))}
.dl-hero-grid{display:grid;grid-template-columns:1.55fr .9fr;gap:clamp(28px,4vw,60px);align-items:end}
.dl-hero-copy h1{margin:0;font-size:clamp(30px,4.4vw,54px);line-height:1.14;font-weight:800;letter-spacing:-.02em}
.dl-hero-sub{margin:18px 0 0;max-width:660px;font-size:15px;line-height:2;color:rgba(255,255,255,.78)}
.dl-hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.dl-hstat{padding:18px 16px;border-radius:16px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);display:flex;flex-direction:column;gap:5px}
.dl-hstat b{font-size:clamp(22px,2.4vw,30px);font-weight:800;line-height:1;color:#fff}
.dl-hstat i{font-style:normal;font-size:12px;color:rgba(255,255,255,.68)}

.dl-body{padding:clamp(40px,5vw,72px) 0}
.dl-shell{max-width:1180px;margin:0 auto}
.dl-kicker{display:inline-flex;align-items:center;gap:12px;margin:0 0 12px;font-size:12px;font-weight:700;letter-spacing:.28em;text-transform:uppercase;color:var(--primary)}
.dl-kicker em{font-style:normal;font-family:Georgia,serif;font-size:15px;letter-spacing:0;color:var(--fx-gold)}
.dl-kicker i{width:30px;height:1px;background:var(--fx-line-2)}
.dl-kicker-light{color:var(--primary)}
.dl-kicker-light em{color:var(--fx-gold)}

.dl-intro{max-width:820px;margin-bottom:clamp(28px,3vw,42px)}
.dl-intro h2{margin:0;font-size:clamp(24px,2.8vw,38px);line-height:1.26;font-weight:800;color:var(--fx-title)}
.dl-intro h2 em{font-style:normal;background:linear-gradient(120deg,#1f7d4d,#37a86a 60%,#1f7d4d);-webkit-background-clip:text;background-clip:text;color:transparent}
.dl-intro-desc{margin:14px 0 0;font-size:14.5px;line-height:2;color:var(--fx-muted)}

.dl-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:14px 16px;border-radius:16px;background:#fff;border:1px solid var(--fx-line);box-shadow:0 14px 34px -30px rgba(16,48,36,.34);margin-bottom:26px}
.dl-tabs{display:flex;flex-wrap:wrap;gap:8px}
.dl-tab{display:inline-flex;align-items:center;height:38px;padding:0 17px;border-radius:999px;background:#f5f8f6;border:1px solid var(--fx-line);font-size:13.5px;font-weight:600;color:var(--fx-text);text-decoration:none;white-space:nowrap;transition:transform .22s ease,border-color .22s ease,color .22s ease,background .22s ease}
.dl-tab:hover{transform:translateY(-2px);border-color:rgba(31,125,77,.4);color:var(--primary)}
.dl-tab.is-active{background:linear-gradient(135deg,#1f7d4d,#2a9d63);border-color:transparent;color:#fff;box-shadow:0 10px 22px -14px rgba(31,125,77,.9)}
.dl-search{display:inline-flex;align-items:center;gap:9px;height:38px;padding:0 15px;border-radius:999px;background:#f7faf8;border:1px solid var(--fx-line);color:var(--fx-muted);transition:border-color .2s ease}
.dl-search:focus-within{border-color:var(--primary)}
.dl-search svg{flex:0 0 auto}
.dl-search input{border:0;outline:none;background:transparent;font-family:inherit;font-size:13.5px;color:var(--fx-title);width:170px}

.dl-group{margin-bottom:30px}
.dl-group-head{display:flex;align-items:center;gap:16px;padding-bottom:16px;margin-bottom:16px;border-bottom:1px solid var(--fx-line)}
.dl-group-no{font-family:Georgia,serif;font-size:34px;font-weight:700;line-height:1;color:rgba(31,125,77,.2);flex:0 0 auto}
.dl-group-text{flex:1;min-width:0}
.dl-group-title{margin:0;font-size:20px;font-weight:800;color:var(--fx-title)}
.dl-group-desc{margin:6px 0 0;font-size:13px;line-height:1.75;color:var(--fx-muted)}
.dl-group-count{flex:0 0 auto;padding:5px 13px;border-radius:999px;font-size:12px;font-weight:700;color:var(--primary-dark,#155c39);background:rgba(31,125,77,.09);border:1px solid rgba(31,125,77,.2)}

.dl-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.dl-item{display:grid;grid-template-columns:58px 1fr auto;gap:18px;align-items:center;padding:18px 20px;border-radius:18px;background:#fff;border:1px solid var(--fx-line);box-shadow:0 14px 36px -30px rgba(16,48,36,.34);transition:transform .3s cubic-bezier(.16,1,.3,1),border-color .3s ease,box-shadow .3s ease}
.dl-item:hover{transform:translateY(-3px);border-color:rgba(31,125,77,.35);box-shadow:0 22px 44px -28px rgba(16,48,36,.44)}
.dl-item-icon{display:grid;place-items:center;width:58px;height:58px;border-radius:15px;background:linear-gradient(150deg,rgba(31,125,77,.12),rgba(55,168,106,.16));color:var(--primary-dark,#155c39);font-size:11px;font-weight:800;letter-spacing:.04em}
.dl-item-icon span{padding:2px 5px}
.dl-t-pdf{background:linear-gradient(150deg,rgba(200,60,60,.14),rgba(200,60,60,.2));color:#a33}
.dl-t-doc,.dl-t-docx{background:linear-gradient(150deg,rgba(43,87,154,.14),rgba(43,87,154,.2));color:#2b579a}
.dl-t-xls,.dl-t-xlsx{background:linear-gradient(150deg,rgba(33,115,70,.14),rgba(33,115,70,.2));color:#1e7a4a}
.dl-t-zip,.dl-t-rar,.dl-t-7z{background:linear-gradient(150deg,rgba(200,163,92,.16),rgba(200,163,92,.24));color:#8a6a2a}
.dl-item-body{min-width:0}
.dl-item-title{margin:0;font-size:16px;font-weight:700;line-height:1.5;color:var(--fx-title)}
.dl-item-summary{margin:6px 0 0;font-size:13px;line-height:1.8;color:var(--fx-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.dl-item-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:8px}
.dl-meta{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;color:var(--fx-muted)}
.dl-meta svg{color:var(--fx-muted)}
.dl-item-actions{display:flex;gap:10px;flex-wrap:wrap}
.dl-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 20px;border-radius:999px;border:1px solid transparent;font-size:13.5px;font-weight:700;text-decoration:none;cursor:pointer;font-family:inherit;white-space:nowrap;transition:transform .24s cubic-bezier(.16,1,.3,1),box-shadow .24s ease,background .24s ease,color .24s ease}
.dl-btn svg{width:16px;height:16px}
.dl-btn-primary{background:linear-gradient(135deg,#1f7d4d,#2a9d63);color:#fff;box-shadow:0 12px 24px -14px rgba(31,125,77,.9)}
.dl-btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(31,125,77,1)}
.dl-btn-ghost{background:#fff;border-color:var(--fx-line-2);color:var(--fx-navy)}
.dl-btn-ghost:hover{transform:translateY(-2px);border-color:var(--fx-gold);color:var(--fx-navy)}

.dl-empty{display:grid;place-items:center;gap:14px;padding:70px 20px;border-radius:20px;background:#fff;border:1px dashed var(--fx-line-2);color:var(--fx-muted)}
.dl-noresult{padding:40px 20px;text-align:center;font-size:14px;color:var(--fx-muted);border-radius:18px;background:#fff;border:1px dashed var(--fx-line-2)}

.dl-cta{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-top:clamp(30px,4vw,50px);padding:clamp(28px,3vw,44px);border-radius:22px;background:#fff;border:1px solid var(--fx-line);border-top:3px solid transparent;background-image:linear-gradient(#fff,#fff),linear-gradient(90deg,#1f7d4d,#37a86a,#c8a35c);background-origin:border-box;background-clip:padding-box,border-box;box-shadow:0 20px 46px -32px rgba(16,48,36,.34)}
.dl-cta-copy{max-width:640px}
.dl-cta-copy h3{margin:12px 0 0;font-size:clamp(20px,2.2vw,28px);font-weight:800;color:var(--fx-title)}
.dl-cta-copy p{margin:10px 0 0;font-size:14px;line-height:1.9;color:var(--fx-muted)}
.dl-cta-btns{display:flex;gap:12px;flex-wrap:wrap}

@keyframes dlFadeUp{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
.dl-hero-inner>*{animation:dlFadeUp .7s cubic-bezier(.16,1,.3,1) both}
.dl-hero-inner>*:nth-child(2){animation-delay:.08s}
.dl-hero-inner>*:nth-child(3){animation-delay:.16s}
@keyframes dlMorph{0%,100%{border-radius:46% 54% 60% 40%/48% 44% 56% 52%}50%{border-radius:60% 40% 44% 56%/56% 58% 42% 44%}}
.dl-orb{animation:dlMorph 12s ease-in-out infinite}
.dl-orb-2{animation-duration:15s;animation-delay:1.5s}
@media (prefers-reduced-motion:reduce){
  .dl-hero-inner>*,.dl-orb{animation:none!important}
  .dl-item,.dl-tab,.dl-btn{transition:none!important}
}

@media(max-width:1100px){
  .dl-hero-grid{grid-template-columns:1fr;gap:28px;align-items:start}
  .dl-hero-stats{max-width:520px}
}
@media(max-width:768px){
  .dl-item{grid-template-columns:48px 1fr;gap:14px}
  .dl-item-icon{width:48px;height:48px}
  .dl-item-actions{grid-column:1/-1}
  .dl-toolbar{flex-direction:column;align-items:stretch}
  .dl-search input{width:100%}
  .dl-hero-stats{grid-template-columns:1fr 1fr}
  .dl-cta{flex-direction:column;align-items:flex-start}
}