/* ============ 基础 ============ */
:root{
  --ink:#101a22; --ink-2:#33434f; --muted:#71828e; --line:#e8edf0;
  --bg:#f4f6f7; --card:#fff; --brand:#0e7a63; --brand-2:#12a37f;
  --brand-soft:#e8f5f1; --amber:#ff9f43; --red:#e2553f;
  --shadow:0 2px 10px rgba(16,26,34,.05), 0 12px 30px rgba(16,26,34,.05);
  --radius:16px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink);
  font:15px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  padding-bottom:env(safe-area-inset-bottom);
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
.app{width:min(100%,560px);margin:0 auto;min-height:100vh;position:relative}
.hide{display:none!important}

/* ============ 顶部栏 ============ */
.topbar{
  position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:10px;
  padding:12px 16px calc(12px + env(safe-area-inset-top)) 16px;
  background:rgba(244,246,247,.86);backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid rgba(232,237,240,.7);
}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;letter-spacing:.2px}
.brand-dot{width:22px;height:22px;border-radius:7px;background:linear-gradient(135deg,var(--brand-2),var(--brand));
  box-shadow:0 4px 10px rgba(14,122,99,.28);position:relative}
.brand-dot:after{content:"";position:absolute;inset:6px;border-radius:3px;background:#fff;opacity:.92}
.topbar .right{margin-left:auto;display:flex;align-items:center;gap:6px;color:var(--muted);font-size:12.5px}
.pill{display:inline-flex;align-items:center;gap:5px;padding:5px 10px;border-radius:99px;background:#fff;
  border:1px solid var(--line);font-size:12px;color:var(--ink-2)}

/* ============ 通用卡片 ============ */
.wrap{padding:14px 16px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.notice{
  display:flex;gap:8px;align-items:flex-start;margin:0 16px;padding:10px 12px;border-radius:12px;
  background:#fff8ec;border:1px solid #ffe6c2;color:#8a5a12;font-size:12.5px;line-height:1.5
}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;border-radius:20px;color:#fff;padding:20px;
  background:linear-gradient(140deg,#0a3b33 0%,#0f6b57 55%,#12987a 100%);
  box-shadow:0 14px 30px rgba(10,59,51,.22);
}
.hero:before{content:"";position:absolute;right:-60px;top:-70px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.20),transparent 65%)}
.hero:after{content:"";position:absolute;right:20px;bottom:-40px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.10),transparent 60%)}
.hero .badge{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;letter-spacing:.4px;
  background:rgba(255,255,255,.16);padding:5px 10px;border-radius:99px;backdrop-filter:blur(4px)}
.hero h1{margin:12px 0 6px;font-size:25px;line-height:1.25;letter-spacing:.3px}
.hero p{margin:0;color:rgba(255,255,255,.82);font-size:13px}
.hero .hero-foot{display:flex;align-items:center;gap:14px;margin-top:16px}
.hero .proof{display:inline-flex;align-items:baseline;gap:4px;font-size:12px;color:rgba(255,255,255,.8)}
.hero .proof b{font-size:17px;color:#fff;font-variant-numeric:tabular-nums}
.hero .go{margin-left:auto;background:#fff;color:#0b4c40;font-weight:800;font-size:13px;padding:9px 16px;border-radius:99px;
  box-shadow:0 6px 14px rgba(0,0,0,.14)}
.hero-grid{display:grid;grid-template-columns:1fr;gap:12px}
.hot-list{display:grid;gap:8px;margin-top:14px}
.hot-row{display:flex;align-items:center;gap:9px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.14);
  padding:7px 9px;border-radius:11px;font-size:12.5px;backdrop-filter:blur(3px)}
.hot-row .n{width:16px;text-align:center;font-weight:800;color:#ffe6b0;font-size:11px}
.hot-row .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#fff;font-weight:600}
.hot-row .tag{font-size:10.5px;color:rgba(255,255,255,.72)}

/* ============ 搜索 ============ */
.search{margin-top:14px;display:flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:11px 13px;box-shadow:var(--shadow)}
.search svg{flex:none;color:var(--muted)}
.search input{flex:1;border:0;outline:0;font-size:14px;background:transparent;color:var(--ink)}
.search input::placeholder{color:#a6b3bc}

/* ============ 分类 ============ */
.cats{display:flex;gap:8px;overflow-x:auto;padding:14px 16px 2px;scrollbar-width:none}
.cats::-webkit-scrollbar{display:none}
.cat{flex:none;padding:7px 14px;border-radius:99px;background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);font-weight:600}
.cat.on{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ============ 资源列表 ============ */
.sec-head{display:flex;align-items:baseline;gap:8px;padding:16px 16px 8px}
.sec-head h2{margin:0;font-size:15.5px;letter-spacing:.2px}
.sec-head small{color:var(--muted);font-size:12px}
.list{display:grid;grid-template-columns:minmax(0,1fr);gap:10px;padding:0 16px}
.item{display:flex;align-items:center;gap:12px;padding:12px;background:#fff;border:1px solid var(--line);
  border-radius:16px;box-shadow:var(--shadow);transition:transform .12s ease;min-width:0}
.item:active{transform:scale(.988)}
.ico{width:52px;height:52px;border-radius:13px;flex:none;overflow:hidden;background:linear-gradient(135deg,#eef4f2,#e2ece8);
  display:grid;place-items:center;font-weight:800;color:var(--brand);font-size:19px;border:1px solid #e3ece9}
.ico img{width:100%;height:100%;object-fit:cover}
.item .body{flex:1;min-width:0}
.item .name{font-weight:700;font-size:14.5px;line-height:1.35;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.item .meta{display:flex;align-items:center;gap:6px;margin-top:5px;font-size:11.5px;color:var(--muted);flex-wrap:wrap}
.tg{background:var(--brand-soft);color:var(--brand);padding:1.5px 6px;border-radius:5px;font-weight:700;font-size:10.5px}
.stars{color:#f0a92c;letter-spacing:-.5px;font-size:11px}
.get{flex:none;padding:8px 15px;border-radius:99px;background:linear-gradient(135deg,var(--brand-2),var(--brand));
  color:#fff;font-size:13px;font-weight:800;box-shadow:0 6px 14px rgba(14,122,99,.24)}
.empty{padding:48px 16px;text-align:center;color:var(--muted);font-size:13px}

/* ============ 详情 ============ */
.detail-head{display:flex;gap:14px;align-items:center}
.detail-head .ico{width:64px;height:64px;border-radius:16px;font-size:24px}
.detail-head h1{margin:0;font-size:19px;line-height:1.35}
.detail-head .meta{margin-top:6px;font-size:12px;color:var(--muted);display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.desc{margin:14px 0 0;color:var(--ink-2);font-size:13.5px;line-height:1.75;white-space:pre-line}
.previews{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:14px}
.previews img{border-radius:12px;border:1px solid var(--line);width:100%;height:130px;object-fit:cover}

.steps{margin-top:14px;padding:16px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.steps h2{margin:0 0 4px;font-size:15px}
.steps .intro{margin:0 0 14px;color:var(--muted);font-size:12.5px}
.step{display:flex;gap:11px;padding:11px 0;border-top:1px dashed var(--line)}
.step:first-of-type{border-top:0}
.step .num{width:22px;height:22px;border-radius:8px;flex:none;background:var(--brand-soft);color:var(--brand);
  font-weight:800;font-size:12px;display:grid;place-items:center;margin-top:1px}
.step h3{margin:0 0 3px;font-size:13.5px}
.step p{margin:0;font-size:12.5px;color:var(--muted);line-height:1.65}
.cta{display:block;width:100%;text-align:center;padding:14px;border-radius:14px;font-weight:800;font-size:15px;
  background:linear-gradient(135deg,var(--brand-2),var(--brand));color:#fff;box-shadow:0 10px 22px rgba(14,122,99,.26);margin-top:16px}
.cta.soft{background:#fff;color:var(--brand);border:1px solid #cfe6df;box-shadow:none}
.hint{text-align:center;color:var(--muted);font-size:11.5px;margin:10px 0 0}

/* ============ 上传页 ============ */
.upload-card{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.upload-card h1{margin:0;font-size:18px;text-align:center}
.upload-card .sub{text-align:center;color:var(--muted);font-size:12.5px;margin:6px 0 16px}
.file-input{display:none}
.drop{border:1.5px dashed #c9dcd6;background:#f7fbfa;border-radius:14px;padding:26px 14px;text-align:center;display:block}
.drop .plus{width:42px;height:42px;border-radius:50%;background:#e6f4ef;color:var(--brand);font-size:22px;
  display:grid;place-items:center;margin:0 auto 10px;font-weight:400}
.drop b{display:block;font-size:13.5px}
.drop small{display:block;color:var(--muted);font-size:11.5px;margin-top:4px}
.thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}
.thumb{position:relative;border-radius:10px;overflow:hidden;border:1px solid var(--line);aspect-ratio:1/1;background:#f2f5f4}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb button{position:absolute;top:4px;right:4px;width:20px;height:20px;border-radius:50%;background:rgba(0,0,0,.6);
  color:#fff;font-size:13px;line-height:1;display:grid;place-items:center}
.counter{margin-top:10px;font-size:12px;color:var(--muted);text-align:center}
.rules{margin-top:14px;padding:12px;border-radius:12px;background:#fafbfb;border:1px solid var(--line);
  font-size:11.5px;color:var(--muted);line-height:1.7}
.submit{width:100%;margin-top:14px;padding:14px;border-radius:14px;font-weight:800;font-size:15px;color:#fff;
  background:linear-gradient(135deg,var(--brand-2),var(--brand));box-shadow:0 10px 22px rgba(14,122,99,.24)}
.submit[disabled]{background:#d7dfe2;box-shadow:none;color:#8c9aa3}
.privacy{text-align:center;color:#a2aeb6;font-size:11px;margin-top:10px}

/* ============ 领取页 ============ */
.done{padding:26px 18px 20px;text-align:center}
.done .ok{width:62px;height:62px;border-radius:50%;margin:0 auto 14px;display:grid;place-items:center;
  background:linear-gradient(135deg,#d9f4e9,#c3ecdd);color:#0b7a5c;font-size:30px;border:1px solid #b6e5d3}
.done h1{margin:0;font-size:20px}
.done p{margin:6px 0 0;color:var(--muted);font-size:13px}
.link-main{display:flex;align-items:center;gap:12px;margin-top:20px;padding:15px 16px;border-radius:16px;color:#fff;
  background:linear-gradient(135deg,#12a37f,#0b6b56);box-shadow:0 12px 26px rgba(11,107,86,.26)}
.link-main .ic{width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.18);display:grid;place-items:center;flex:none;font-size:18px}
.link-main .t{flex:1;min-width:0;text-align:left}
.link-main .t b{display:block;font-size:14.5px}
.link-main .t small{display:block;color:rgba(255,255,255,.8);font-size:11.5px;margin-top:2px}
.link-main .arrow{font-size:18px;opacity:.9}
.link-sub{display:flex;align-items:center;gap:10px;margin-top:9px;padding:12px 14px;border-radius:13px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow)}
.link-sub .t{flex:1;min-width:0;text-align:left}
.link-sub .t b{display:block;font-size:13.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.link-sub .t small{display:block;color:var(--muted);font-size:11px;margin-top:1px}
.link-sub .tag{flex:none;font-size:10.5px;padding:2px 7px;border-radius:5px;background:#fff2e2;color:#b26a12;font-weight:700}
.tips{margin-top:16px;padding:13px;border-radius:13px;background:#fff8ec;border:1px solid #ffe6c2;color:#8a5a12;
  font-size:12px;line-height:1.7;text-align:left}

/* ============ 弹层 / 提示 ============ */
.mask{position:fixed;inset:0;z-index:80;background:rgba(12,20,26,.5);display:grid;place-items:center;padding:24px;
  animation:fade .18s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal{width:100%;max-width:360px;background:#fff;border-radius:18px;padding:22px 20px 18px;box-shadow:0 24px 60px rgba(0,0,0,.24)}
.modal h3{margin:0 0 10px;font-size:16.5px;text-align:center}
.modal .txt{font-size:13px;color:var(--ink-2);line-height:1.75;white-space:pre-line;max-height:46vh;overflow:auto}
.modal .ok-btn{display:block;width:100%;margin-top:18px;padding:12px;border-radius:12px;color:#fff;font-weight:800;
  background:linear-gradient(135deg,var(--brand-2),var(--brand))}

.toast{position:fixed;left:50%;top:calc(14px + env(safe-area-inset-top));transform:translate(-50%,-16px);z-index:90;
  display:flex;align-items:center;gap:8px;padding:9px 14px;border-radius:99px;background:rgba(16,26,34,.9);color:#fff;
  font-size:12px;opacity:0;pointer-events:none;transition:.25s;max-width:88vw;white-space:nowrap;overflow:hidden}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast .dot{width:6px;height:6px;border-radius:50%;background:#3ddc97;flex:none;box-shadow:0 0 0 3px rgba(61,220,151,.2)}

.fab{position:fixed;right:16px;bottom:calc(20px + env(safe-area-inset-bottom));z-index:40;display:flex;align-items:center;gap:7px;
  padding:11px 16px;border-radius:99px;background:#fff;border:1px solid var(--line);
  box-shadow:0 10px 26px rgba(16,26,34,.14);font-size:12.5px;font-weight:700;color:var(--ink-2)}
.fab .ic{width:20px;height:20px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:11px}

.foot{padding:34px 16px 90px;text-align:center;color:#9fadb6;font-size:11px;line-height:1.9}
.foot .line{height:1px;background:var(--line);margin:0 auto 18px;width:120px}
.loading{padding:60px 0;text-align:center;color:var(--muted);font-size:13px}

/* ============ 提交中 ============ */
.busy{position:fixed;inset:0;z-index:95;background:rgba(255,255,255,.92);display:grid;place-items:center;text-align:center}
.busy .spin{width:34px;height:34px;border-radius:50%;border:3px solid #dbe9e4;border-top-color:var(--brand);
  margin:0 auto 14px;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.busy p{margin:0;font-size:13.5px;color:var(--ink-2)}
.busy small{display:block;color:var(--muted);font-size:11.5px;margin-top:6px}

/* ============ 微信提示 ============ */
.wxbar{margin:10px 16px 0;padding:9px 12px;border-radius:11px;background:#eef7ff;border:1px solid #d3e8fb;
  color:#21618c;font-size:11.5px;display:flex;gap:7px;align-items:flex-start}

/* ============ 桌面端微调 ============ */
@media (min-width:620px){
  body{background:#eef1f2}
  .app{background:var(--bg);box-shadow:0 0 0 1px rgba(16,26,34,.04),0 20px 60px rgba(16,26,34,.08)}
  .hero-grid{grid-template-columns:1.25fr 1fr;align-items:start}
  .list{grid-template-columns:1fr}
}


/* ============ 打赏卡片（搜索栏下方） ============ */
.donate{display:flex;align-items:center;gap:12px;margin-top:12px;padding:13px 14px;border-radius:16px;background:#fff;
  border:1px solid #f3e2d3;box-shadow:0 6px 18px rgba(196,132,66,.10);cursor:pointer;
  background-image:linear-gradient(135deg,#fffaf3,#fff6ea)}
.donate-txt{flex:1;min-width:0}
.donate-txt b{display:block;font-size:14px;color:#8a5f22;letter-spacing:.2px}
.donate-txt small{display:block;margin-top:3px;color:#a98a63;font-size:11.5px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.donate-btn{display:inline-block;margin-top:7px;font-size:11.5px;font-weight:800;color:#b4621a;
  background:#ffeed9;border:1px solid #f6d8b3;padding:3px 9px;border-radius:99px}
.donate-qr{width:62px;height:62px;flex:none;border-radius:12px;overflow:hidden;background:#fff;
  border:1.5px dashed #eccfae;display:grid;place-items:center;color:#c39a6b;font-size:11px;font-weight:700}
.donate-qr img{width:100%;height:100%;object-fit:cover}

/* ============ 福利专区 ============ */
.promo-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:0 16px}
.promo{position:relative;display:flex;flex-direction:column;gap:2px;padding:13px 13px 14px;border-radius:16px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);transition:transform .12s ease}
.promo:active{transform:scale(.985)}
.promo-tag{position:absolute;top:0;right:0;font-size:10px;font-weight:800;color:#fff;padding:2px 8px;
  border-radius:0 16px 0 10px;background:rgba(16,26,34,.35);backdrop-filter:blur(4px)}
.promo-ico{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;margin-bottom:8px;
  box-shadow:0 6px 14px rgba(16,26,34,.14);overflow:hidden}
.promo-ico .emoji{font-size:20px;line-height:1}
.promo-ico img{width:100%;height:100%;object-fit:cover}
.promo b{font-size:14px;line-height:1.3}
.promo small{color:var(--muted);font-size:11.5px;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}