/* 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_3323_29da{max-width:1040px;margin:0 auto;padding:0 32px}
.u_913f_92fd{max-width:760px}

/* Header */
.u_dfba_ebd0{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_ba51_ef3d{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px}
.u_57e9_9ed2{display:flex;align-items:center;gap:10px;font-weight:600;font-size:16px;text-decoration:none}
.u_5f49_5ff4{width:26px;height:26px;border:1.5px solid var(--dm-ink);border-radius:7px;display:grid;place-items:center;font-size:12px}
.u_8fd9_ef94{display:flex;gap:28px;font-size:14px;color:var(--dm-muted)}
.u_8fd9_ef94 a{color:inherit;text-decoration:none;transition:color .15s}
.u_8fd9_ef94 a:hover{color:var(--dm-ink)}
.u_c594_af42{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_c594_af42:hover{background:var(--dm-ink);color:#fff}
.u_bb73_3c6a{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_8d09_7ca7{padding:84px 0 64px;text-align:center}
.u_8d59_b886{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--dm-accent);margin-bottom:20px}
.u_ec55_be1c{font-size:56px;line-height:1.08;font-weight:700;letter-spacing:-1.5px;max-width:800px;margin:0 auto}
.u_ec55_be1c em{font-style:normal;color:var(--dm-accent)}
.u_024f_b05b{font-size:18px;color:var(--dm-muted);max-width:540px;margin:24px auto 0}
.u_b805_e244{display:flex;gap:34px;justify-content:center;margin:36px 0 32px;font-size:13px;color:var(--dm-muted);flex-wrap:wrap}
.u_b805_e244 div{min-width:80px}
.u_b805_e244 b{display:block;color:var(--dm-ink);font-size:19px;font-weight:600;margin-bottom:2px}
.u_4c14_b3f4{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.u_1ec5_fe25{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_1ec5_fe25 small{display:block;font-size:11px;font-weight:400;opacity:.6}
.u_1ec5_fe25.solid{background:var(--dm-ink);color:#fff}
.u_1ec5_fe25.solid:hover{background:#000}
.u_1ec5_fe25.line{background:#fff;color:var(--dm-ink);border:1px solid var(--dm-line)}
.u_1ec5_fe25.line:hover{border-color:var(--dm-ink)}
.u_c60c_9552{padding:9px 16px;font-size:13.5px}

/* phone mockup */
.u_14e8_7d49{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_14e8_7d49:before{content:"";position:absolute;top:12px;left:50%;transform:translateX(-50%);width:90px;height:5px;border-radius:3px;background:var(--dm-line)}
.u_e610_6c8c{position:absolute;inset:34px 20px 20px;display:flex;flex-direction:column;gap:12px}
.u_3d8b_9e2e{height:64px;border:1px dashed var(--dm-line);border-radius:12px}
.u_05dc_49cf{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_4c33_c340{padding:76px 0;border-top:1px solid var(--dm-line)}
.u_8916_434e{background:var(--dm-soft)}
.u_15e1_aa51{max-width:560px;margin-bottom:46px}
.u_ca9c_caa3{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--dm-muted)}
.u_15e1_aa51 h2{font-size:34px;font-weight:700;letter-spacing:-.8px;margin:10px 0 6px}
.u_15e1_aa51 p{color:var(--dm-muted);font-size:15px}

/* Feature grid — hairline dividers */
.u_ca0b_32da{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_a5d5_1532{background:#fff;padding:32px 26px}
.u_8916_434e .u_a5d5_1532{background:var(--dm-soft)}
.u_8916_434e .u_a5d5_1532:hover{background:#fff}
.u_cdd5_eae0{font-size:20px;color:var(--dm-accent);margin-bottom:14px}
.u_a5d5_1532 h3{font-size:18px;font-weight:600;margin-bottom:6px}
.u_a5d5_1532 p{color:var(--dm-muted);font-size:14px}

/* FAQ */
.u_3149_d992{max-width:720px}
.u_3149_d992 details{border-bottom:1px solid var(--dm-line);padding:18px 0}
.u_3149_d992 summary{cursor:pointer;font-size:16px;font-weight:500;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.u_3149_d992 summary::-webkit-details-marker{display:none}
.u_3149_d992 summary:after{content:"+";color:var(--dm-muted);font-size:20px;line-height:1}
.u_3149_d992 details[open] summary:after{content:"\2212"}
.u_3149_d992 p{color:var(--dm-muted);font-size:14.5px;margin-top:10px}
.u_3149_d992 p a,.u_005a_015a a{color:var(--dm-accent);text-decoration:none}
.u_005a_015a{margin-top:24px;color:var(--dm-muted);font-size:14px}

/* News cards */
.u_710e_fb9d{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.u_e933_d4c6{text-decoration:none;color:inherit;display:block}
.u_8c3d_6b90{aspect-ratio:16/10;border:1px solid var(--dm-line);border-radius:12px;margin-bottom:14px;background:var(--dm-soft);overflow:hidden}
.u_8c3d_6b90 img{width:100%;height:100%;object-fit:cover}
.u_e933_d4c6 time{font-size:12.5px;color:var(--dm-muted)}
.u_e933_d4c6 h3{font-size:16px;font-weight:600;margin:5px 0}
.u_e933_d4c6 p{font-size:14px;color:var(--dm-muted)}
.u_7ac7_78eb{margin-top:34px;text-align:center}
.u_2564_ed70{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_2564_ed70:hover{background:var(--dm-ink);color:#fff}
.u_cdbc_dfb3{text-align:center;color:var(--dm-muted);padding:40px;border:1px dashed var(--dm-line);border-radius:14px;font-size:15px}

/* CTA */
.u_2bed_8def{text-align:center;padding:20px 0}
.u_2bed_8def h2{font-size:38px;font-weight:700;letter-spacing:-1px}
.u_2bed_8def p{color:var(--dm-muted);margin:14px 0 28px}

/* Page hero + breadcrumb */
.u_8259_13e5{padding:56px 0 30px;border-bottom:1px solid var(--dm-line)}
.u_8259_13e5 h1{font-size:38px;font-weight:700;letter-spacing:-.8px}
.u_8259_13e5 p{color:var(--dm-muted);margin-top:8px}
.u_61ac_7f22{padding:16px 0;font-size:13.5px;color:var(--dm-muted)}
.u_61ac_7f22 a{color:var(--dm-muted);text-decoration:none}
.u_61ac_7f22 a:hover{color:var(--dm-ink)}
.u_0c20_6588{margin:0 8px;opacity:.5}
.u_61ac_7f22 .u_a156_52d1{color:var(--dm-ink)}

/* List layout: main + side */
.u_33b0_58ac{display:grid;grid-template-columns:1fr 280px;gap:40px;align-items:start}
.u_0be3_0982{min-width:0}
.u_07b5_9ec4{display:flex;flex-direction:column;gap:22px}
.u_5808_cb37{display:grid;grid-template-columns:200px 1fr;gap:22px;padding-bottom:22px;border-bottom:1px solid var(--dm-line)}
.u_5808_cb37:last-child{border-bottom:none}
.u_4a3b_8fc4{aspect-ratio:16/10;border-radius:12px;overflow:hidden;border:1px solid var(--dm-line);background:var(--dm-soft)}
.u_4a3b_8fc4 img{width:100%;height:100%;object-fit:cover}
.u_6c13_2e90 h3{font-size:19px;font-weight:600;margin-bottom:8px}
.u_6c13_2e90 h3 a{text-decoration:none;color:var(--dm-ink)}
.u_6c13_2e90 h3 a:hover{color:var(--dm-accent)}
.u_6c13_2e90 p{color:var(--dm-muted);font-size:14.5px}
.u_fbaa_0619{margin-top:10px;font-size:12.5px;color:var(--dm-muted);display:flex;gap:16px}
.u_6bcd_e49b{max-width:820px}

/* pagination */
.u_89ae_d377{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:30px;font-size:14px}
.u_89ae_d377 a,.u_89ae_d377 .u_a156_52d1,.u_89ae_d377 .u_ed0a_ca18{padding:7px 12px;border:1px solid var(--dm-line);border-radius:8px;text-decoration:none;color:var(--dm-muted)}
.u_89ae_d377 a:hover{border-color:var(--dm-ink);color:var(--dm-ink)}
.u_89ae_d377 .u_a156_52d1{background:var(--dm-ink);color:#fff;border-color:var(--dm-ink)}
.u_89ae_d377 .u_ed0a_ca18{opacity:.5}
.u_89ae_d377 .u_5804_505c{margin-left:auto;color:var(--dm-muted);border:none}

/* sidebar */
.u_ce01_edad{display:flex;flex-direction:column;gap:22px;position:sticky;top:84px}
.u_3315_f9e2{border:1px solid var(--dm-line);border-radius:14px;padding:22px}
.u_3315_f9e2 h4{font-size:15px;margin-bottom:14px;font-weight:600}
.u_684b_3ef7{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_684b_3ef7:last-of-type{border-bottom:none}
.u_684b_3ef7 b{color:var(--dm-ink);font-weight:600}
.u_684b_3ef7 a{color:var(--dm-accent);text-decoration:none;font-size:13px}
.u_16f8_947f{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_16f8_947f:hover{background:#000}

/* detail */
.u_b35a_42b1 h1{font-size:32px;font-weight:700;line-height:1.25;margin-bottom:14px}
.u_7ecf_4bb3{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_a6e4_50ff{padding:26px 0;font-size:16.5px}
.u_a6e4_50ff h2{font-size:24px;font-weight:600;margin:26px 0 10px}
.u_a6e4_50ff h3{font-size:20px;font-weight:600;margin:22px 0 8px}
.u_a6e4_50ff p{margin-bottom:16px;color:#2b2e33}
.u_a6e4_50ff a{color:var(--dm-accent);text-decoration:none}
.u_a6e4_50ff ul,.u_a6e4_50ff ol{margin:0 0 16px 22px}
.u_a6e4_50ff img{border-radius:12px;margin:8px 0 16px}
.u_a6e4_50ff blockquote{border-left:3px solid var(--dm-line);padding-left:18px;color:var(--dm-muted);margin:0 0 16px}
.u_4fee_9e94{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}
.u_4fee_9e94 a,.u_43c9_40b0 a,.u_f55b_cc7b a{border:1px solid var(--dm-line);border-radius:999px;padding:6px 14px;text-decoration:none;color:var(--dm-muted);font-size:13px}
.u_4fee_9e94 a:hover,.u_43c9_40b0 a:hover{border-color:var(--dm-ink);color:var(--dm-ink)}
.u_d40d_5014{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_d40d_5014 a{color:var(--dm-accent);text-decoration:none;max-width:46%}
.u_d40d_5014 .u_ed0a_ca18{color:var(--dm-muted);opacity:.6}
.u_1433_2d3c{margin-top:40px}
.u_1433_2d3c h2{font-size:22px;font-weight:600;margin-bottom:18px}

/* tags cloud */
.u_43c9_40b0{display:flex;flex-wrap:wrap;gap:12px}
.u_43c9_40b0 a{font-size:15px;padding:9px 18px}
.u_c5c0_11b1{color:var(--dm-accent);margin-left:6px;font-size:12px}
.u_f55b_cc7b{padding-bottom:20px;border-bottom:1px solid var(--dm-line);margin-bottom:8px}
.u_f55b_cc7b h1{font-size:30px;font-weight:700}
.u_2e35_f02e{color:var(--dm-accent);margin-right:4px}
.u_f55b_cc7b p{color:var(--dm-muted);margin-top:8px}
.u_5539_247c{font-size:14px}
.u_bba4_e926{margin-top:30px;text-align:center}
.u_bba4_e926 a{color:var(--dm-accent);text-decoration:none;font-size:14px}

/* search */
.u_d6b0_4273{display:flex;gap:0;margin-bottom:26px;border:1px solid var(--dm-line);border-radius:12px;overflow:hidden}
.u_d6b0_4273 input{flex:1;border:none;padding:14px 18px;font-size:15px;outline:none}
.u_d6b0_4273 button{border:none;background:var(--dm-ink);color:#fff;padding:0 28px;font-size:15px;cursor:pointer}
.u_0aa7_2f83{text-align:center;color:var(--dm-muted);margin-bottom:22px;font-size:14px}

/* 404 */
.u_20f3_6823{text-align:center;padding:60px 0}
.u_c24a_f8f0{font-size:120px;font-weight:800;letter-spacing:-4px;color:var(--dm-line);line-height:1}
.u_20f3_6823 p{color:var(--dm-muted);margin:12px 0 26px;font-size:16px}

/* sticky mobile download bar */
.u_1410_14ca{display:none}

/* Footer */
.u_3399_b862{border-top:1px solid var(--dm-line);padding:52px 0 34px;font-size:14px;color:var(--dm-muted)}
.u_7feb_3160{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;margin-bottom:32px}
.u_3399_b862 h5{color:var(--dm-ink);font-size:14px;margin-bottom:12px}
.u_3399_b862 ul{list-style:none}
.u_3399_b862 li{margin-bottom:8px}
.u_3399_b862 a{color:var(--dm-muted);text-decoration:none}
.u_3399_b862 a:hover{color:var(--dm-ink)}
.u_e0e3_8048 p{max-width:340px}
.u_8de0_e475{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_e25e_2c67{text-align:right}

/* Responsive */
@media (max-width:860px){
  .u_ec55_be1c{font-size:40px}
  .u_8fd9_ef94{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_8fd9_ef94 a{padding:12px 0;border-bottom:1px solid var(--dm-line)}
  .u_bb73_3c6a{display:block}
  .u_ba51_ef3d{position:relative}
  .u_ca0b_32da,.u_710e_fb9d{grid-template-columns:1fr}
  .u_33b0_58ac{grid-template-columns:1fr}
  .u_ce01_edad{position:static}
  .u_5808_cb37{grid-template-columns:1fr}
  .u_7feb_3160{grid-template-columns:1fr;gap:24px}
  .u_4c33_c340{padding:52px 0}
  .u_3323_29da{padding:0 22px}
  .u_e25e_2c67{text-align:left}
}
@media (max-width:640px){
  .u_1410_14ca{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_0508_6930{font-size:12px;color:var(--dm-muted)}
  .u_0508_6930 b{display:block;color:var(--dm-ink);font-size:14px}
  body{padding-bottom:66px}
  .u_8d09_7ca7{padding:56px 0 40px}
  .u_b805_e244{gap:20px}
}


/* fingerprint */
.k1db9e80{position:relative}
.k6ab6620{margin:0}
.k90fddd8{box-sizing:border-box}
.k031c483{width:100%}
.kaeb1ef5{text-align:center}
.kf1c24fb{display:none}
.kba33925{overflow:hidden}
:root{--fp-2e02eaf4:1px}