/* dl_minimal — 极简留白 Minimal
   纯白底 · 大量留白 · 单一品牌蓝 · 发丝级细线 */
:root{
  --dm-line:#e9eaee;
  --dm-ink:#14161a;
  --dm-muted:#6b7280;
  --dm-accent:#2f5bea;
  --dm-soft:#fafbfc;
}
*{margin:0;padding:0;box-sizing:border-box}
body{
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
  color:var(--dm-ink);background:#fff;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
.bfaca__df33{max-width:1040px;margin:0 auto;padding:0 32px}
.b875f__307b{max-width:760px}

/* Header */
.b9d65__e0f1{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.86);backdrop-filter:blur(8px);border-bottom:1px solid var(--dm-line)}
.b0fee__e756{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px}
.b9f66__96fe{display:flex;align-items:center;gap:10px;font-weight:600;font-size:16px;text-decoration:none}
.bfea2__2389{width:26px;height:26px;border:1.5px solid var(--dm-ink);border-radius:7px;display:grid;place-items:center;font-size:12px}
.bc4db__c820{display:flex;gap:28px;font-size:14px;color:var(--dm-muted)}
.bc4db__c820 a{color:inherit;text-decoration:none;transition:color .15s}
.bc4db__c820 a:hover{color:var(--dm-ink)}
.b3eac__022b{font-size:13.5px;color:var(--dm-ink);text-decoration:none;border:1px solid var(--dm-ink);border-radius:999px;padding:8px 16px;white-space:nowrap;transition:.15s}
.b3eac__022b:hover{background:var(--dm-ink);color:#fff}
.ba91c__3c62{display:none;background:none;border:1px solid var(--dm-line);border-radius:8px;font-size:18px;width:38px;height:34px;cursor:pointer;color:var(--dm-ink)}

/* Hero */
.bf013__be13{padding:84px 0 64px;text-align:center}
.b0d71__a900{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--dm-accent);margin-bottom:20px}
.becfe__23d2{font-size:56px;line-height:1.08;font-weight:700;letter-spacing:-1.5px;max-width:800px;margin:0 auto}
.becfe__23d2 em{font-style:normal;color:var(--dm-accent)}
.b5fc9__ad41{font-size:18px;color:var(--dm-muted);max-width:540px;margin:24px auto 0}
.bd3b9__ef7c{display:flex;gap:34px;justify-content:center;margin:36px 0 32px;font-size:13px;color:var(--dm-muted);flex-wrap:wrap}
.bd3b9__ef7c div{min-width:80px}
.bd3b9__ef7c b{display:block;color:var(--dm-ink);font-size:19px;font-weight:600;margin-bottom:2px}
.bb401__d536{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.b0929__3a47{border-radius:12px;padding:14px 26px;font-size:15px;text-decoration:none;display:inline-flex;align-items:center;gap:10px;font-weight:500;line-height:1.2;transition:.15s}
.b0929__3a47 small{display:block;font-size:11px;font-weight:400;opacity:.6}
.b0929__3a47.solid{background:var(--dm-ink);color:#fff}
.b0929__3a47.solid:hover{background:#000}
.b0929__3a47.line{background:#fff;color:var(--dm-ink);border:1px solid var(--dm-line)}
.b0929__3a47.line:hover{border-color:var(--dm-ink)}
.b9a98__027b{padding:9px 16px;font-size:13.5px}

/* phone mockup */
.b330b__f83d{width:270px;height:520px;margin:64px auto 0;border:1px solid var(--dm-line);border-radius:34px;position:relative;background:linear-gradient(180deg,var(--dm-soft),#fff);box-shadow:0 40px 80px -50px rgba(20,22,26,.35)}
.b330b__f83d:before{content:"";position:absolute;top:12px;left:50%;transform:translateX(-50%);width:90px;height:5px;border-radius:3px;background:var(--dm-line)}
.b78ee__b555{position:absolute;inset:34px 20px 20px;display:flex;flex-direction:column;gap:12px}
.bfb00__5a5f{height:64px;border:1px dashed var(--dm-line);border-radius:12px}
.b3b71__2df0{flex:1;border:1px dashed var(--dm-line);border-radius:12px;display:grid;place-items:center;font-size:44px;color:var(--dm-line);font-weight:700}

/* Sections */
.b9fca__4268{padding:76px 0;border-top:1px solid var(--dm-line)}
.b12b9__9687{background:var(--dm-soft)}
.b2159__e2a7{max-width:560px;margin-bottom:46px}
.b8966__b979{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--dm-muted)}
.b2159__e2a7 h2{font-size:34px;font-weight:700;letter-spacing:-.8px;margin:10px 0 6px}
.b2159__e2a7 p{color:var(--dm-muted);font-size:15px}

/* Feature grid — hairline dividers */
.b3449__796d{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--dm-line);border:1px solid var(--dm-line);border-radius:14px;overflow:hidden}
.b0ac1__0db6{background:#fff;padding:32px 26px}
.b12b9__9687 .b0ac1__0db6{background:var(--dm-soft)}
.b12b9__9687 .b0ac1__0db6:hover{background:#fff}
.bd28e__d5bc{font-size:20px;color:var(--dm-accent);margin-bottom:14px}
.b0ac1__0db6 h3{font-size:18px;font-weight:600;margin-bottom:6px}
.b0ac1__0db6 p{color:var(--dm-muted);font-size:14px}

/* FAQ */
.b3ef0__5301{max-width:720px}
.b3ef0__5301 details{border-bottom:1px solid var(--dm-line);padding:18px 0}
.b3ef0__5301 summary{cursor:pointer;font-size:16px;font-weight:500;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.b3ef0__5301 summary::-webkit-details-marker{display:none}
.b3ef0__5301 summary:after{content:"+";color:var(--dm-muted);font-size:20px;line-height:1}
.b3ef0__5301 details[open] summary:after{content:"\2212"}
.b3ef0__5301 p{color:var(--dm-muted);font-size:14.5px;margin-top:10px}
.b3ef0__5301 p a,.b67fe__86b4 a{color:var(--dm-accent);text-decoration:none}
.b67fe__86b4{margin-top:24px;color:var(--dm-muted);font-size:14px}

/* News cards */
.b8ea7__8e0e{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.b546d__88c7{text-decoration:none;color:inherit;display:block}
.bf306__0aa6{aspect-ratio:16/10;border:1px solid var(--dm-line);border-radius:12px;margin-bottom:14px;background:var(--dm-soft);overflow:hidden}
.bf306__0aa6 img{width:100%;height:100%;object-fit:cover}
.b546d__88c7 time{font-size:12.5px;color:var(--dm-muted)}
.b546d__88c7 h3{font-size:16px;font-weight:600;margin:5px 0}
.b546d__88c7 p{font-size:14px;color:var(--dm-muted)}
.b1f5d__fa13{margin-top:34px;text-align:center}
.b232a__5548{display:inline-block;border:1px solid var(--dm-ink);border-radius:999px;padding:11px 24px;font-size:14px;text-decoration:none;color:var(--dm-ink);transition:.15s}
.b232a__5548:hover{background:var(--dm-ink);color:#fff}
.b79d6__01c9{text-align:center;color:var(--dm-muted);padding:40px;border:1px dashed var(--dm-line);border-radius:14px;font-size:15px}

/* CTA */
.b4c63__7107{text-align:center;padding:20px 0}
.b4c63__7107 h2{font-size:38px;font-weight:700;letter-spacing:-1px}
.b4c63__7107 p{color:var(--dm-muted);margin:14px 0 28px}

/* Page hero + breadcrumb */
.b39e1__e14e{padding:56px 0 30px;border-bottom:1px solid var(--dm-line)}
.b39e1__e14e h1{font-size:38px;font-weight:700;letter-spacing:-.8px}
.b39e1__e14e p{color:var(--dm-muted);margin-top:8px}
.bb636__4a26{padding:16px 0;font-size:13.5px;color:var(--dm-muted)}
.bb636__4a26 a{color:var(--dm-muted);text-decoration:none}
.bb636__4a26 a:hover{color:var(--dm-ink)}
.bc436__f417{margin:0 8px;opacity:.5}
.bb636__4a26 .bc113__5da5{color:var(--dm-ink)}

/* List layout: main + side */
.b48be__2602{display:grid;grid-template-columns:1fr 280px;gap:40px;align-items:start}
.b736e__deb0{min-width:0}
.b91f8__a320{display:flex;flex-direction:column;gap:22px}
.b4d3e__1aa3{display:grid;grid-template-columns:200px 1fr;gap:22px;padding-bottom:22px;border-bottom:1px solid var(--dm-line)}
.b4d3e__1aa3:last-child{border-bottom:none}
.b923e__0576{aspect-ratio:16/10;border-radius:12px;overflow:hidden;border:1px solid var(--dm-line);background:var(--dm-soft)}
.b923e__0576 img{width:100%;height:100%;object-fit:cover}
.b5dd3__cee4 h3{font-size:19px;font-weight:600;margin-bottom:8px}
.b5dd3__cee4 h3 a{text-decoration:none;color:var(--dm-ink)}
.b5dd3__cee4 h3 a:hover{color:var(--dm-accent)}
.b5dd3__cee4 p{color:var(--dm-muted);font-size:14.5px}
.be52b__2afb{margin-top:10px;font-size:12.5px;color:var(--dm-muted);display:flex;gap:16px}
.bbe06__1a77{max-width:820px}

/* pagination */
.b6829__d24c{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:30px;font-size:14px}
.b6829__d24c a,.b6829__d24c .bc113__5da5,.b6829__d24c .b5d0f__ea4b{padding:7px 12px;border:1px solid var(--dm-line);border-radius:8px;text-decoration:none;color:var(--dm-muted)}
.b6829__d24c a:hover{border-color:var(--dm-ink);color:var(--dm-ink)}
.b6829__d24c .bc113__5da5{background:var(--dm-ink);color:#fff;border-color:var(--dm-ink)}
.b6829__d24c .b5d0f__ea4b{opacity:.5}
.b6829__d24c .b8f6b__e97b{margin-left:auto;color:var(--dm-muted);border:none}

/* sidebar */
.b8331__8c03{display:flex;flex-direction:column;gap:22px;position:sticky;top:84px}
.bbca1__597b{border:1px solid var(--dm-line);border-radius:14px;padding:22px}
.bbca1__597b h4{font-size:15px;margin-bottom:14px;font-weight:600}
.bbf75__8681{display:flex;justify-content:space-between;font-size:13.5px;color:var(--dm-muted);padding:7px 0;border-bottom:1px dashed var(--dm-line)}
.bbf75__8681:last-of-type{border-bottom:none}
.bbf75__8681 b{color:var(--dm-ink);font-weight:600}
.bbf75__8681 a{color:var(--dm-accent);text-decoration:none;font-size:13px}
.b8c3f__e22c{display:block;text-align:center;margin-top:14px;background:var(--dm-ink);color:#fff;padding:11px;border-radius:10px;text-decoration:none;font-size:14px;font-weight:500}
.b8c3f__e22c:hover{background:#000}

/* detail */
.b2905__4398 h1{font-size:32px;font-weight:700;line-height:1.25;margin-bottom:14px}
.b5490__c046{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--dm-muted);padding-bottom:22px;border-bottom:1px solid var(--dm-line)}
.b5bd3__1c77{padding:26px 0;font-size:16.5px}
.b5bd3__1c77 h2{font-size:24px;font-weight:600;margin:26px 0 10px}
.b5bd3__1c77 h3{font-size:20px;font-weight:600;margin:22px 0 8px}
.b5bd3__1c77 p{margin-bottom:16px;color:#2b2e33}
.b5bd3__1c77 a{color:var(--dm-accent);text-decoration:none}
.b5bd3__1c77 ul,.b5bd3__1c77 ol{margin:0 0 16px 22px}
.b5bd3__1c77 img{border-radius:12px;margin:8px 0 16px}
.b5bd3__1c77 blockquote{border-left:3px solid var(--dm-line);padding-left:18px;color:var(--dm-muted);margin:0 0 16px}
.b1236__c653{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}
.b1236__c653 a,.b6cb8__7f7b a,.b6c64__9d16 a{border:1px solid var(--dm-line);border-radius:999px;padding:6px 14px;text-decoration:none;color:var(--dm-muted);font-size:13px}
.b1236__c653 a:hover,.b6cb8__7f7b a:hover{border-color:var(--dm-ink);color:var(--dm-ink)}
.b3999__dc60{display:flex;justify-content:space-between;gap:16px;margin-top:26px;padding-top:22px;border-top:1px solid var(--dm-line);font-size:14px}
.b3999__dc60 a{color:var(--dm-accent);text-decoration:none;max-width:46%}
.b3999__dc60 .b5d0f__ea4b{color:var(--dm-muted);opacity:.6}
.b9cef__ff87{margin-top:40px}
.b9cef__ff87 h2{font-size:22px;font-weight:600;margin-bottom:18px}

/* tags cloud */
.b6cb8__7f7b{display:flex;flex-wrap:wrap;gap:12px}
.b6cb8__7f7b a{font-size:15px;padding:9px 18px}
.b6d9a__1942{color:var(--dm-accent);margin-left:6px;font-size:12px}
.b6c64__9d16{padding-bottom:20px;border-bottom:1px solid var(--dm-line);margin-bottom:8px}
.b6c64__9d16 h1{font-size:30px;font-weight:700}
.bef4e__07b0{color:var(--dm-accent);margin-right:4px}
.b6c64__9d16 p{color:var(--dm-muted);margin-top:8px}
.b699a__8ef0{font-size:14px}
.b744a__28c9{margin-top:30px;text-align:center}
.b744a__28c9 a{color:var(--dm-accent);text-decoration:none;font-size:14px}

/* search */
.b19f2__b278{display:flex;gap:0;margin-bottom:26px;border:1px solid var(--dm-line);border-radius:12px;overflow:hidden}
.b19f2__b278 input{flex:1;border:none;padding:14px 18px;font-size:15px;outline:none}
.b19f2__b278 button{border:none;background:var(--dm-ink);color:#fff;padding:0 28px;font-size:15px;cursor:pointer}
.bbf9a__371c{text-align:center;color:var(--dm-muted);margin-bottom:22px;font-size:14px}

/* 404 */
.b0c03__f763{text-align:center;padding:60px 0}
.b6eae__4099{font-size:120px;font-weight:800;letter-spacing:-4px;color:var(--dm-line);line-height:1}
.b0c03__f763 p{color:var(--dm-muted);margin:12px 0 26px;font-size:16px}

/* sticky mobile download bar */
.b36ee__7850{display:none}

/* Footer */
.b5b31__66c9{border-top:1px solid var(--dm-line);padding:52px 0 34px;font-size:14px;color:var(--dm-muted)}
.b9b5f__9f49{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;margin-bottom:32px}
.b5b31__66c9 h5{color:var(--dm-ink);font-size:14px;margin-bottom:12px}
.b5b31__66c9 ul{list-style:none}
.b5b31__66c9 li{margin-bottom:8px}
.b5b31__66c9 a{color:var(--dm-muted);text-decoration:none}
.b5b31__66c9 a:hover{color:var(--dm-ink)}
.b04e3__c9ac p{max-width:340px}
.b14e4__f10c{border-top:1px solid var(--dm-line);padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px}
.b6938__2d7d{text-align:right}

/* Responsive */
@media (max-width:860px){
  .becfe__23d2{font-size:40px}
  .bc4db__c820{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--dm-line);padding:8px 32px}
  .bc4db__c820 a{padding:12px 0;border-bottom:1px solid var(--dm-line)}
  .ba91c__3c62{display:block}
  .b0fee__e756{position:relative}
  .b3449__796d,.b8ea7__8e0e{grid-template-columns:1fr}
  .b48be__2602{grid-template-columns:1fr}
  .b8331__8c03{position:static}
  .b4d3e__1aa3{grid-template-columns:1fr}
  .b9b5f__9f49{grid-template-columns:1fr;gap:24px}
  .b9fca__4268{padding:52px 0}
  .bfaca__df33{padding:0 22px}
  .b6938__2d7d{text-align:left}
}
@media (max-width:640px){
  .b36ee__7850{display:flex;align-items:center;justify-content:space-between;gap:12px;position:fixed;left:0;right:0;bottom:0;z-index:30;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-top:1px solid var(--dm-line);padding:10px 16px}
  .b0550__da8e{font-size:12px;color:var(--dm-muted)}
  .b0550__da8e b{display:block;color:var(--dm-ink);font-size:14px}
  body{padding-bottom:66px}
  .bf013__be13{padding:56px 0 40px}
  .bd3b9__ef7c{gap:20px}
}


/* fingerprint */
.k753dc23{width:100%}
.k2e53c00{margin:0}
.ka3ba592{text-align:left}
.k912302d{display:none}
.k9bd8a6b{position:relative}
.k60b568b{padding:0}
.k5dca378::after{content:'';display:table;clear:both}
:root{--fp-7210bfd8:1px}