/* 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}
.u_aa33_b256{max-width:1040px;margin:0 auto;padding:0 32px}
.u_e7c6_fe98{max-width:760px}

/* Header */
.u_3bc7_edc6{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.86);backdrop-filter:blur(8px);border-bottom:1px solid var(--dm-line)}
.u_de43_1a87{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px}
.u_acb5_106b{display:flex;align-items:center;gap:10px;font-weight:600;font-size:16px;text-decoration:none}
.u_5f5a_3d28{width:26px;height:26px;border:1.5px solid var(--dm-ink);border-radius:7px;display:grid;place-items:center;font-size:12px}
.u_aa07_d4cb{display:flex;gap:28px;font-size:14px;color:var(--dm-muted)}
.u_aa07_d4cb a{color:inherit;text-decoration:none;transition:color .15s}
.u_aa07_d4cb a:hover{color:var(--dm-ink)}
.u_d52d_0b21{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}
.u_d52d_0b21:hover{background:var(--dm-ink);color:#fff}
.u_30fe_ad13{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 */
.u_b910_0880{padding:84px 0 64px;text-align:center}
.u_73e4_9f03{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--dm-accent);margin-bottom:20px}
.u_823a_d2ff{font-size:56px;line-height:1.08;font-weight:700;letter-spacing:-1.5px;max-width:800px;margin:0 auto}
.u_823a_d2ff em{font-style:normal;color:var(--dm-accent)}
.u_1dc7_05d3{font-size:18px;color:var(--dm-muted);max-width:540px;margin:24px auto 0}
.u_28ef_c1ad{display:flex;gap:34px;justify-content:center;margin:36px 0 32px;font-size:13px;color:var(--dm-muted);flex-wrap:wrap}
.u_28ef_c1ad div{min-width:80px}
.u_28ef_c1ad b{display:block;color:var(--dm-ink);font-size:19px;font-weight:600;margin-bottom:2px}
.u_7114_73db{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.u_19d5_7e1a{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}
.u_19d5_7e1a small{display:block;font-size:11px;font-weight:400;opacity:.6}
.u_19d5_7e1a.solid{background:var(--dm-ink);color:#fff}
.u_19d5_7e1a.solid:hover{background:#000}
.u_19d5_7e1a.line{background:#fff;color:var(--dm-ink);border:1px solid var(--dm-line)}
.u_19d5_7e1a.line:hover{border-color:var(--dm-ink)}
.u_422f_1684{padding:9px 16px;font-size:13.5px}

/* phone mockup */
.u_1115_f886{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)}
.u_1115_f886:before{content:"";position:absolute;top:12px;left:50%;transform:translateX(-50%);width:90px;height:5px;border-radius:3px;background:var(--dm-line)}
.u_b1e3_d2c2{position:absolute;inset:34px 20px 20px;display:flex;flex-direction:column;gap:12px}
.u_f1b9_293f{height:64px;border:1px dashed var(--dm-line);border-radius:12px}
.u_7aa7_ac06{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 */
.u_fd04_8fef{padding:76px 0;border-top:1px solid var(--dm-line)}
.u_b0ff_d7ce{background:var(--dm-soft)}
.u_045d_5099{max-width:560px;margin-bottom:46px}
.u_be2b_7571{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--dm-muted)}
.u_045d_5099 h2{font-size:34px;font-weight:700;letter-spacing:-.8px;margin:10px 0 6px}
.u_045d_5099 p{color:var(--dm-muted);font-size:15px}

/* Feature grid — hairline dividers */
.u_bc9f_d5be{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}
.u_4988_82c0{background:#fff;padding:32px 26px}
.u_b0ff_d7ce .u_4988_82c0{background:var(--dm-soft)}
.u_b0ff_d7ce .u_4988_82c0:hover{background:#fff}
.u_c5a2_75d4{font-size:20px;color:var(--dm-accent);margin-bottom:14px}
.u_4988_82c0 h3{font-size:18px;font-weight:600;margin-bottom:6px}
.u_4988_82c0 p{color:var(--dm-muted);font-size:14px}

/* FAQ */
.u_a6a0_9f11{max-width:720px}
.u_a6a0_9f11 details{border-bottom:1px solid var(--dm-line);padding:18px 0}
.u_a6a0_9f11 summary{cursor:pointer;font-size:16px;font-weight:500;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.u_a6a0_9f11 summary::-webkit-details-marker{display:none}
.u_a6a0_9f11 summary:after{content:"+";color:var(--dm-muted);font-size:20px;line-height:1}
.u_a6a0_9f11 details[open] summary:after{content:"\2212"}
.u_a6a0_9f11 p{color:var(--dm-muted);font-size:14.5px;margin-top:10px}
.u_a6a0_9f11 p a,.u_033c_2f70 a{color:var(--dm-accent);text-decoration:none}
.u_033c_2f70{margin-top:24px;color:var(--dm-muted);font-size:14px}

/* News cards */
.u_1379_147f{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.u_c2b1_9baa{text-decoration:none;color:inherit;display:block}
.u_06f0_ce2a{aspect-ratio:16/10;border:1px solid var(--dm-line);border-radius:12px;margin-bottom:14px;background:var(--dm-soft);overflow:hidden}
.u_06f0_ce2a img{width:100%;height:100%;object-fit:cover}
.u_c2b1_9baa time{font-size:12.5px;color:var(--dm-muted)}
.u_c2b1_9baa h3{font-size:16px;font-weight:600;margin:5px 0}
.u_c2b1_9baa p{font-size:14px;color:var(--dm-muted)}
.u_5b10_4f84{margin-top:34px;text-align:center}
.u_0843_1eb8{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}
.u_0843_1eb8:hover{background:var(--dm-ink);color:#fff}
.u_a3c8_7466{text-align:center;color:var(--dm-muted);padding:40px;border:1px dashed var(--dm-line);border-radius:14px;font-size:15px}

/* CTA */
.u_a3bf_0c46{text-align:center;padding:20px 0}
.u_a3bf_0c46 h2{font-size:38px;font-weight:700;letter-spacing:-1px}
.u_a3bf_0c46 p{color:var(--dm-muted);margin:14px 0 28px}

/* Page hero + breadcrumb */
.u_ebdb_6564{padding:56px 0 30px;border-bottom:1px solid var(--dm-line)}
.u_ebdb_6564 h1{font-size:38px;font-weight:700;letter-spacing:-.8px}
.u_ebdb_6564 p{color:var(--dm-muted);margin-top:8px}
.u_ec80_43a9{padding:16px 0;font-size:13.5px;color:var(--dm-muted)}
.u_ec80_43a9 a{color:var(--dm-muted);text-decoration:none}
.u_ec80_43a9 a:hover{color:var(--dm-ink)}
.u_c6dc_e348{margin:0 8px;opacity:.5}
.u_ec80_43a9 .u_e03f_aa96{color:var(--dm-ink)}

/* List layout: main + side */
.u_c2df_5174{display:grid;grid-template-columns:1fr 280px;gap:40px;align-items:start}
.u_a45f_a965{min-width:0}
.u_f9cc_5e2f{display:flex;flex-direction:column;gap:22px}
.u_b2f5_6ff7{display:grid;grid-template-columns:200px 1fr;gap:22px;padding-bottom:22px;border-bottom:1px solid var(--dm-line)}
.u_b2f5_6ff7:last-child{border-bottom:none}
.u_8cb1_cb33{aspect-ratio:16/10;border-radius:12px;overflow:hidden;border:1px solid var(--dm-line);background:var(--dm-soft)}
.u_8cb1_cb33 img{width:100%;height:100%;object-fit:cover}
.u_ad5f_9e6e h3{font-size:19px;font-weight:600;margin-bottom:8px}
.u_ad5f_9e6e h3 a{text-decoration:none;color:var(--dm-ink)}
.u_ad5f_9e6e h3 a:hover{color:var(--dm-accent)}
.u_ad5f_9e6e p{color:var(--dm-muted);font-size:14.5px}
.u_89a8_72dd{margin-top:10px;font-size:12.5px;color:var(--dm-muted);display:flex;gap:16px}
.u_5ead_62d9{max-width:820px}

/* pagination */
.u_2677_c288{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:30px;font-size:14px}
.u_2677_c288 a,.u_2677_c288 .u_e03f_aa96,.u_2677_c288 .u_8058_6eb2{padding:7px 12px;border:1px solid var(--dm-line);border-radius:8px;text-decoration:none;color:var(--dm-muted)}
.u_2677_c288 a:hover{border-color:var(--dm-ink);color:var(--dm-ink)}
.u_2677_c288 .u_e03f_aa96{background:var(--dm-ink);color:#fff;border-color:var(--dm-ink)}
.u_2677_c288 .u_8058_6eb2{opacity:.5}
.u_2677_c288 .u_9df2_5569{margin-left:auto;color:var(--dm-muted);border:none}

/* sidebar */
.u_7d40_8d41{display:flex;flex-direction:column;gap:22px;position:sticky;top:84px}
.u_d266_491d{border:1px solid var(--dm-line);border-radius:14px;padding:22px}
.u_d266_491d h4{font-size:15px;margin-bottom:14px;font-weight:600}
.u_82cf_166b{display:flex;justify-content:space-between;font-size:13.5px;color:var(--dm-muted);padding:7px 0;border-bottom:1px dashed var(--dm-line)}
.u_82cf_166b:last-of-type{border-bottom:none}
.u_82cf_166b b{color:var(--dm-ink);font-weight:600}
.u_82cf_166b a{color:var(--dm-accent);text-decoration:none;font-size:13px}
.u_6866_af30{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}
.u_6866_af30:hover{background:#000}

/* detail */
.u_0d6a_1198 h1{font-size:32px;font-weight:700;line-height:1.25;margin-bottom:14px}
.u_2e7a_f72f{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--dm-muted);padding-bottom:22px;border-bottom:1px solid var(--dm-line)}
.u_8424_c77d{padding:26px 0;font-size:16.5px}
.u_8424_c77d h2{font-size:24px;font-weight:600;margin:26px 0 10px}
.u_8424_c77d h3{font-size:20px;font-weight:600;margin:22px 0 8px}
.u_8424_c77d p{margin-bottom:16px;color:#2b2e33}
.u_8424_c77d a{color:var(--dm-accent);text-decoration:none}
.u_8424_c77d ul,.u_8424_c77d ol{margin:0 0 16px 22px}
.u_8424_c77d img{border-radius:12px;margin:8px 0 16px}
.u_8424_c77d blockquote{border-left:3px solid var(--dm-line);padding-left:18px;color:var(--dm-muted);margin:0 0 16px}
.u_a4f4_564e{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}
.u_a4f4_564e a,.u_a88b_8341 a,.u_4696_d8ed a{border:1px solid var(--dm-line);border-radius:999px;padding:6px 14px;text-decoration:none;color:var(--dm-muted);font-size:13px}
.u_a4f4_564e a:hover,.u_a88b_8341 a:hover{border-color:var(--dm-ink);color:var(--dm-ink)}
.u_1ff4_8ba7{display:flex;justify-content:space-between;gap:16px;margin-top:26px;padding-top:22px;border-top:1px solid var(--dm-line);font-size:14px}
.u_1ff4_8ba7 a{color:var(--dm-accent);text-decoration:none;max-width:46%}
.u_1ff4_8ba7 .u_8058_6eb2{color:var(--dm-muted);opacity:.6}
.u_02f4_b5fb{margin-top:40px}
.u_02f4_b5fb h2{font-size:22px;font-weight:600;margin-bottom:18px}

/* tags cloud */
.u_a88b_8341{display:flex;flex-wrap:wrap;gap:12px}
.u_a88b_8341 a{font-size:15px;padding:9px 18px}
.u_cedc_fc1d{color:var(--dm-accent);margin-left:6px;font-size:12px}
.u_4696_d8ed{padding-bottom:20px;border-bottom:1px solid var(--dm-line);margin-bottom:8px}
.u_4696_d8ed h1{font-size:30px;font-weight:700}
.u_4c7c_0d87{color:var(--dm-accent);margin-right:4px}
.u_4696_d8ed p{color:var(--dm-muted);margin-top:8px}
.u_e7dd_c9d1{font-size:14px}
.u_ee4a_8f55{margin-top:30px;text-align:center}
.u_ee4a_8f55 a{color:var(--dm-accent);text-decoration:none;font-size:14px}

/* search */
.u_c024_4752{display:flex;gap:0;margin-bottom:26px;border:1px solid var(--dm-line);border-radius:12px;overflow:hidden}
.u_c024_4752 input{flex:1;border:none;padding:14px 18px;font-size:15px;outline:none}
.u_c024_4752 button{border:none;background:var(--dm-ink);color:#fff;padding:0 28px;font-size:15px;cursor:pointer}
.u_190b_143a{text-align:center;color:var(--dm-muted);margin-bottom:22px;font-size:14px}

/* 404 */
.u_aada_e9db{text-align:center;padding:60px 0}
.u_034c_5e17{font-size:120px;font-weight:800;letter-spacing:-4px;color:var(--dm-line);line-height:1}
.u_aada_e9db p{color:var(--dm-muted);margin:12px 0 26px;font-size:16px}

/* sticky mobile download bar */
.u_bc01_de50{display:none}

/* Footer */
.u_526e_54c9{border-top:1px solid var(--dm-line);padding:52px 0 34px;font-size:14px;color:var(--dm-muted)}
.u_056b_cfe4{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;margin-bottom:32px}
.u_526e_54c9 h5{color:var(--dm-ink);font-size:14px;margin-bottom:12px}
.u_526e_54c9 ul{list-style:none}
.u_526e_54c9 li{margin-bottom:8px}
.u_526e_54c9 a{color:var(--dm-muted);text-decoration:none}
.u_526e_54c9 a:hover{color:var(--dm-ink)}
.u_f906_594b p{max-width:340px}
.u_88ed_1e21{border-top:1px solid var(--dm-line);padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px}
.u_500d_90e5{text-align:right}

/* Responsive */
@media (max-width:860px){
  .u_823a_d2ff{font-size:40px}
  .u_aa07_d4cb{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}
  .u_aa07_d4cb a{padding:12px 0;border-bottom:1px solid var(--dm-line)}
  .u_30fe_ad13{display:block}
  .u_de43_1a87{position:relative}
  .u_bc9f_d5be,.u_1379_147f{grid-template-columns:1fr}
  .u_c2df_5174{grid-template-columns:1fr}
  .u_7d40_8d41{position:static}
  .u_b2f5_6ff7{grid-template-columns:1fr}
  .u_056b_cfe4{grid-template-columns:1fr;gap:24px}
  .u_fd04_8fef{padding:52px 0}
  .u_aa33_b256{padding:0 22px}
  .u_500d_90e5{text-align:left}
}
@media (max-width:640px){
  .u_bc01_de50{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}
  .u_fe73_f385{font-size:12px;color:var(--dm-muted)}
  .u_fe73_f385 b{display:block;color:var(--dm-ink);font-size:14px}
  body{padding-bottom:66px}
  .u_b910_0880{padding:56px 0 40px}
  .u_28ef_c1ad{gap:20px}
}


/* fingerprint */
.k1f8356e{text-align:center}
.k0de5734{box-sizing:border-box}
.kfdb31ab::after{content:'';display:table;clear:both}
.k8e5c7c3{overflow:hidden}
.kf254c94{position:relative}
:root{--fp-20067ef3:1px}