/* PipeAnswer shared styles (batch 1). Palette: navy #0B2545, orange #F97316, green #16A34A */
@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/fonts/inter-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/fonts/inter-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
:root{--p:#0B2545;--a:#F97316;--g:#16A34A;--bg:#F7F9FC;--mut:#4A5B73;--line:#D5DDE8;
  --font:Inter,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji"}
html[lang="zh-CN"]{--font:Inter,"Noto Sans SC","Noto Sans CJK SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji"}
html[lang="zh-Hant"]{--font:Inter,"Noto Sans TC","Noto Sans CJK TC","PingFang HK","PingFang TC","Microsoft JhengHei","Helvetica Neue",Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji"}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--p);background:#fff;-webkit-font-smoothing:antialiased}
.w{max-width:1200px;margin:0 auto;padding:0 40px}
a{color:inherit}
.btn{display:inline-block;background:var(--a);color:#fff;font-weight:800;font-size:19px;padding:18px 34px;border-radius:12px;text-decoration:none}
.btn:hover{background:#EA580C}
:focus-visible{outline:3px solid var(--a);outline-offset:2px}
/* nav */
.site-nav{display:flex;justify-content:space-between;align-items:center;height:80px;border-bottom:1px solid #EEF2F7;position:relative}
.logo{font-weight:900;font-size:25px;letter-spacing:-.5px;text-decoration:none;color:var(--p)}.logo span{color:var(--a)}
.links{display:flex;align-items:center}
.links a{text-decoration:none;margin-left:26px;font-weight:600;font-size:15px;white-space:nowrap}
.links a:hover{color:var(--a)}
.links a.in{margin-left:36px}
.links a.cta{background:var(--a);color:#fff;padding:11px 20px;border-radius:10px;font-weight:800;margin-left:22px}
.links a.cta:hover{background:#EA580C;color:#fff}
.lang{position:relative;margin-left:26px}
.lang summary{list-style:none;cursor:pointer;font-weight:600;font-size:15px;display:flex;align-items:center;gap:6px;white-space:nowrap}
.lang summary::-webkit-details-marker{display:none}
.lang summary svg{width:17px;height:17px}
.lang ul{list-style:none;position:absolute;right:0;top:calc(100% + 10px);background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 34px rgba(11,37,69,.14);padding:6px;min-width:150px;z-index:30}
.lang li a{display:block;margin:0;padding:9px 12px;border-radius:8px;font-size:15px}
.lang li a:hover{background:var(--bg)}
.lang a[lang="zh-Hans"]{font-family:"Noto Sans SC","Noto Sans CJK SC","PingFang SC","Microsoft YaHei",sans-serif}
.lang a[lang="zh-Hant"]{font-family:"Noto Sans TC","Noto Sans CJK TC","PingFang HK","Microsoft JhengHei",sans-serif}
.lang li a[aria-current]{color:var(--a);font-weight:800}
.menu-btn{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;color:var(--p)}
.menu-btn svg{width:28px;height:28px}
/* hero */
.hero{display:grid;grid-template-columns:1fr 560px;gap:56px;align-items:center;padding:52px 0 64px}
.eyebrow{font-size:13px;font-weight:800;letter-spacing:1.6px;text-transform:uppercase;color:var(--a);margin-bottom:18px;line-height:1.5}
h1{font-size:54px;line-height:1.2;font-weight:900;letter-spacing:0}
.hero .sub{font-size:21px;line-height:1.5;color:var(--mut);margin:24px 0 26px;max-width:540px}
.checks{list-style:none;margin-bottom:32px}.checks li{font-size:18px;font-weight:600;margin:11px 0;display:flex;gap:12px;line-height:1.4}
.checks b{color:var(--g);font-weight:900}
.small{font-size:14px;color:var(--mut);margin-top:16px;line-height:1.5}
.proof{font-size:15px;color:var(--p);margin-top:10px;padding-left:12px;border-left:3px solid var(--g);line-height:1.5}
.hero-frame{width:560px;height:640px;border:0;display:block;border-radius:28px}
/* sections */
section{padding:96px 0}
h2{font-size:42px;font-weight:900;letter-spacing:0;line-height:1.25;max-width:780px}
.lead{font-size:20px;color:var(--mut);line-height:1.55;margin-top:18px;max-width:720px}
.tint{background:var(--bg)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:start}
.plain p{font-size:19px;line-height:1.65;color:#22344F;margin-bottom:18px}
.scen{margin-top:48px;border-top:2px solid var(--p)}
.row{display:grid;grid-template-columns:260px 1fr 1fr;gap:40px;padding:30px 0;border-bottom:1px solid var(--line)}
.row h3{font-size:22px;font-weight:800;line-height:1.35}.row .tag{font-size:12px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;color:var(--mut);margin-bottom:8px}
.row .k{font-size:13px;font-weight:800;letter-spacing:1px;text-transform:uppercase;color:var(--mut);margin-bottom:6px}
.row p{font-size:17px;line-height:1.55}
.row.safety{background:#FFF7ED;margin:0 -24px;padding:30px 24px;border-left:5px solid var(--a)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);margin-top:48px}
.steps>div{padding:24px 36px 0 0;border-top:2px solid var(--p)}
.steps .n{font-size:56px;font-weight:900;color:var(--a);line-height:1}
.steps h3{font-size:22px;margin:14px 0 10px}.steps p{font-size:17px;color:var(--mut);line-height:1.55}
.ph{border:2px dashed #9AAABF;border-radius:16px;background:#fff;padding:28px;min-height:220px;display:flex;flex-direction:column;justify-content:center;color:var(--mut)}
.ph .lab{font-size:12px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;color:var(--a);margin-bottom:12px}
.ph h3{color:var(--p);font-size:21px;margin-bottom:8px}
.player{display:flex;align-items:center;gap:14px;margin-top:18px;opacity:.7}.play{width:46px;height:46px;border-radius:50%;background:var(--p);color:#fff;display:grid;place-items:center;font-size:16px}
.bar{flex:1;height:6px;background:#E2E8F0;border-radius:3px}
.plans{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:44px;max-width:860px}
.plan{border:2px solid var(--line);border-radius:18px;padding:36px;background:#fff}.plan.f{border-color:var(--p)}
.plan h3{font-size:20px}.plan .pr{font-size:52px;font-weight:900;margin:10px 0 4px;letter-spacing:-1.5px}.plan .pr small{font-size:18px;font-weight:600;color:var(--mut);letter-spacing:0}
.plan p{font-size:17px;color:var(--mut)}
.see{display:inline-block;margin-top:28px;font-weight:800;font-size:18px;color:var(--p)}
.faq{margin-top:36px;max-width:860px}.faq>div{padding:22px 0;border-bottom:1px solid var(--line)}
.faq h3{font-size:19px;line-height:1.4}.faq p{font-size:17px;color:var(--mut);margin-top:8px;line-height:1.55}
.final{text-align:center}.final h2{margin:0 auto}.final .lead{margin:16px auto 34px}
.feat{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.ftag{display:inline-block;background:#DCFCE7;color:var(--g);font-weight:800;font-size:14px;padding:6px 14px;border-radius:999px;margin-bottom:18px}
.gch{list-style:none;margin-top:28px}.gch li{font-size:18px;font-weight:600;margin:14px 0;display:flex;gap:12px;align-items:flex-start;line-height:1.45}
.ck{flex:none;width:26px;height:26px;border-radius:50%;background:var(--g);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:900}
.card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:44px;box-shadow:0 20px 50px rgba(11,37,69,.10)}
.card h3{font-size:28px;font-weight:900;margin-bottom:8px;line-height:1.3}.card .q{color:var(--mut);font-size:16px;margin-bottom:22px;line-height:1.5}
.inp{border:2px solid var(--line);border-radius:12px;padding:16px 18px;font-size:18px;font-weight:600;margin-bottom:16px}.inp small{display:block;font-size:12px;color:var(--mut);font-weight:700;margin-bottom:4px}
.card .btn{display:block;text-align:center}.card .nt{font-size:14px;color:var(--mut);margin-top:14px;text-align:center;line-height:1.5}
.brw{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 20px 50px rgba(11,37,69,.10);position:relative;height:440px}
.brw .tb{background:#EEF2F7;padding:12px 16px;display:flex;gap:8px;align-items:center}.brw .tb i{width:11px;height:11px;border-radius:50%;background:#CBD5E1;display:block}.brw .url{margin-left:12px;background:#fff;border-radius:6px;padding:4px 12px;font-size:12px;color:var(--mut)}
.site{padding:26px 28px}.site .sn{font-weight:900;font-size:18px}.site .hb{margin-top:22px;height:110px;border-radius:10px;background:linear-gradient(135deg,#DBEAFE,#EFF6FF);padding:20px;font-weight:800;font-size:20px}.site .ln{height:10px;background:#EEF2F7;border-radius:5px;margin-top:14px;width:60%}
.chat{position:absolute;right:18px;bottom:18px;width:290px;background:#fff;border-radius:16px;box-shadow:0 12px 34px rgba(11,37,69,.22);overflow:hidden}
.chat .ch{background:var(--p);color:#fff;font-weight:800;font-size:14px;padding:12px 14px}.chat .bd{padding:12px;font-size:14px;line-height:1.5}
.bu{padding:9px 12px;border-radius:12px;margin:6px 0;max-width:88%}.bu.v{background:#EEF2F7;margin-left:auto}.bu.m{background:#DCFCE7}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-top:52px;text-align:left}
.three>div{background:var(--bg);border:1px solid var(--line);border-radius:18px;padding:30px;font-size:18px;line-height:1.6;font-weight:600}
.three .ck{width:40px;height:40px;font-size:20px;margin-bottom:16px}
.ctr{text-align:center}.ctr h2{margin:0 auto}
/* footer */
.site-footer{background:#081B33;color:#B8C4D6;padding:44px 0;font-size:15px;line-height:1.6}
.site-footer .w{display:flex;justify-content:space-between;align-items:center;gap:32px}
.site-footer .logo{color:#fff;font-size:21px}
.site-footer .note{margin-top:6px;color:#FDBA74;font-size:14px}
.site-footer .meta{text-align:right}
.site-footer a{text-decoration:none}.site-footer a:hover{color:#fff}
.site-footer .fl a{margin-left:20px}
/* responsive */
/* inner pages */
.links a.on{color:var(--a);box-shadow:inset 0 -3px 0 var(--a);padding-bottom:6px}
.ph1{padding:72px 0 56px;text-align:center}.ph1 h1{font-size:50px}.ph1 .sub{font-size:21px;color:var(--mut);margin:18px auto 0;max-width:860px;line-height:1.5}
.flow4{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:44px}.flow4>div{border-top:3px solid var(--p);padding-top:20px}
.flow4 .n{font-size:44px;font-weight:900;color:var(--a);line-height:1.1}.flow4 h3{font-size:21px;margin:10px 0}.flow4 p{font-size:16px;color:var(--mut);line-height:1.6}
.fs{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.mail2{border:2px dashed #9AAABF;border-radius:18px;padding:30px;font-size:17px;line-height:1.7;background:#fff;position:relative}
.mail2 .lab{font-size:12px;font-weight:800;color:var(--a);margin-bottom:10px;padding-right:70px}
.tg{position:absolute;right:24px;top:24px;background:#FEE2E2;color:#B91C1C;font-weight:800;font-size:13px;padding:4px 12px;border-radius:999px}
.att{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}.att span{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:6px 12px;font-size:14px;font-weight:700}
.kb{display:grid;grid-template-columns:118px 1fr auto;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);font-size:16px;align-items:center}
.kb em{font-style:normal;font-size:13px;font-weight:800;color:var(--g);white-space:nowrap}
.pc2b{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:40px}.box{border:2px solid var(--line);border-radius:18px;padding:34px}
.box h3{font-size:22px;margin-bottom:12px}.box p{font-size:17px;color:var(--mut);line-height:1.65}
.three .m{font-weight:500;font-size:16px;color:var(--mut)}
.dark{background:var(--p);color:#fff}.dark h2{color:#fff}.dark .lead{color:#B8C4D6}
.ctr .lead{margin:16px auto 34px}.ctr h2+.btn{margin-top:30px}
/* blog */
.cat{font-size:13px;font-weight:800;color:var(--a);letter-spacing:1px;text-transform:uppercase}
.bmeta{font-size:14px;color:var(--mut);margin-top:16px}
.ex{font-size:17px;color:var(--mut);line-height:1.6}
.bh{padding-bottom:40px}
.chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:26px}
.chips button{font:inherit;cursor:pointer;background:#fff;color:var(--p);border:2px solid var(--line);border-radius:999px;padding:9px 20px;font-weight:700;font-size:15px}
.chips button.on{background:var(--p);color:#fff;border-color:var(--p)}
.bl{padding:0 0 80px}
.bl [data-cat][hidden]{display:none}
.cv{position:relative;aspect-ratio:16/9;padding-bottom:14px!important;overflow:hidden;background:var(--cbg);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--ink);padding:0 16px}
.cv .blob{position:absolute;border-radius:50%;filter:blur(26px);opacity:.75}
.cv .a{width:58%;height:70%;left:-18%;top:-26%;background:var(--b1)}
.cv .b{width:52%;height:66%;right:-16%;bottom:-28%;background:var(--b2)}
.cv .c{width:22%;height:30%;right:8%;top:-8%;background:var(--b1);opacity:.45}
.cv .ico{position:relative;width:62px;height:54px;margin-bottom:12px;opacity:.9}
.cv .ct{position:relative;font-weight:900;font-size:25px;line-height:1.3;letter-spacing:.5px}
.cv .brand{position:absolute;left:16px;bottom:12px;font-size:11px;font-weight:800;opacity:.6;letter-spacing:.5px}.cv .brand span{color:#F97316}
.cv.big .ico{width:104px;height:90px;margin-bottom:22px}.cv.big .ct{font-size:46px}.cv.big .brand{font-size:14px;left:24px;bottom:18px}
.feat2{display:grid;grid-template-columns:1.25fr 1fr;gap:48px;align-items:center;margin-top:8px}
.feat2 .cv{border-radius:22px}.feat2>a{display:block;text-decoration:none}
.btag{display:inline-block;font-size:13px;font-weight:800;color:var(--p);background:#EEF2F7;border-radius:999px;padding:5px 12px}
.btag.new{background:#FFEDD5;color:#C2410C;margin-right:6px}
.feat2 h2{font-size:36px;margin:16px 0 14px}.feat2 h2 a{text-decoration:none}
.feat2 .bmeta{margin-top:16px}
.feat2 .rd{display:inline-block;margin-top:22px;font-weight:800;color:var(--a);text-decoration:none;font-size:17px}
.bgrid2{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 32px;margin-top:64px}
.bc{display:block;text-decoration:none}.bc .cv{border-radius:16px;transition:box-shadow .2s}.bc:hover .cv{box-shadow:0 14px 34px rgba(11,37,69,.14)}
.bc .tx{padding:18px 2px 0}.bc h3{font-size:20px;line-height:1.45;margin:12px 0 8px}.bc .bmeta{margin-top:0}
.post{max-width:800px;padding-top:48px;padding-bottom:80px}
.post .back{font-weight:700;font-size:15px;text-decoration:none;color:var(--mut);display:inline-block;margin-bottom:28px}
.post h1{font-size:44px;margin:12px 0 0;line-height:1.25}
.prose{margin-top:36px;font-size:18px;line-height:1.75;color:#22344F}
.prose h2{font-size:28px;line-height:1.35;margin:44px 0 14px;color:var(--p)}.prose h3{font-size:21px;margin:30px 0 10px;color:var(--p)}
.prose p,.prose ul,.prose ol,.prose blockquote{margin:0 0 18px}.prose ul,.prose ol{padding-left:26px}.prose li{margin:6px 0}
.prose a{color:#C2410C;font-weight:700}.prose strong{color:var(--p)}
.prose blockquote{border-left:4px solid var(--a);background:#FFF7ED;padding:14px 18px;border-radius:0 10px 10px 0}
@media (max-width:1180px){
  .feat2{grid-template-columns:1fr;gap:28px}.bgrid2{grid-template-columns:1fr 1fr}
  .links a.on{box-shadow:none;padding-bottom:0}
  .flow4{grid-template-columns:1fr 1fr}
  .fs{grid-template-columns:1fr;gap:40px}
  .menu-btn{display:block}
  .links{display:none;position:absolute;top:80px;left:-40px;right:-40px;background:#fff;flex-direction:column;align-items:stretch;padding:8px 40px 24px;border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(11,37,69,.08);z-index:40}
  .site-nav.open .links{display:flex}
  .links a,.links a.in{margin:0;padding:14px 0;border-bottom:1px solid #EEF2F7;font-size:17px}
  .links a.cta{margin-top:16px;text-align:center;padding:14px 20px;border:0}
  .lang{margin:0;padding:14px 0;border-bottom:1px solid #EEF2F7}
  .lang summary{font-size:17px}
  .lang ul{position:static;box-shadow:none;border:0;padding:6px 0 0;min-width:0}
  .hero{grid-template-columns:1fr;gap:44px}
  .hero-frame{margin:0 auto}
  .feat,.split{grid-template-columns:1fr;gap:44px}
  .row{grid-template-columns:200px 1fr 1fr;gap:28px}
}
@media (max-width:760px){
  .chips{gap:8px}.chips button{padding:7px 14px;font-size:14px}
  .cv.big .ico{width:70px;height:60px;margin-bottom:14px}.cv.big .ct{font-size:28px}.feat2 h2{font-size:26px}
  .bgrid2{grid-template-columns:1fr;gap:32px;margin-top:44px}.cv .ct{font-size:22px}.bl{padding-bottom:56px}
  .ph1{padding:40px 0 36px}.ph1 h1{font-size:34px}.ph1 .sub{font-size:18px}
  .flow4{grid-template-columns:1fr;gap:28px}
  .pc2b{grid-template-columns:1fr;gap:20px}.box{padding:24px}
  .mail2{padding:22px}.kb{grid-template-columns:1fr auto}.kb b{grid-column:1/-1}
  .post{padding-top:28px}.post h1{font-size:30px}.prose{font-size:17px}.prose h2{font-size:23px}
  .w{padding:0 20px}
  .site-nav{height:64px}
  .links{top:64px;left:-20px;right:-20px;padding:8px 20px 20px}
  .logo{font-size:22px}
  .hero{padding:32px 0 48px}
  h1{font-size:36px}
  .hero .sub{font-size:18px}
  .checks li{font-size:16px}
  .btn{font-size:17px;padding:16px 26px}
  .hero-frame{width:calc(100vw - 40px);max-width:560px;height:calc((100vw - 40px) * 640 / 560);max-height:640px;border-radius:20px}
  section{padding:64px 0}
  h2{font-size:30px}
  .lead{font-size:17px}
  .plain p{font-size:17px}
  .row{grid-template-columns:1fr;gap:12px;padding:24px 0}
  .row.safety{margin:0 -20px;padding:24px 20px}
  .steps,.three,.plans{grid-template-columns:1fr;gap:28px}
  .steps>div{padding-right:0}
  .card{padding:28px}
  .card h3{font-size:23px}
  .brw{height:400px}
  .chat{width:auto;left:14px;right:14px}
  .gch li{font-size:16px}
  .three>div{font-size:16px}
  .plan{padding:28px}
  .site-footer .w{flex-direction:column;align-items:flex-start;gap:18px}
  .site-footer .meta{text-align:left}
  .site-footer .fl{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:10px}.site-footer .fl a{margin:0}
}
.lc{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 20px 50px rgba(11,37,69,.10);padding:24px}
.lc .tabs{display:flex;gap:8px;margin-bottom:14px}.lc .tabs span{flex:1;text-align:center;font-weight:600;font-size:15px;padding:8px 0;border-radius:10px;border:2px solid transparent;color:var(--mut)}.lc .tabs span.on{border-color:var(--p);color:var(--p);font-weight:800}
.ln2{padding:12px 0;border-top:1px solid #EEF2F7}.ln2 .lg{font-size:12px;font-weight:800;color:var(--mut);letter-spacing:1px;margin-bottom:4px}.ln2.on .lg{color:var(--p)}.ln2 p{font-size:16px;line-height:1.5}
.ln2 p[lang="zh-CN"]{font-family:"Noto Sans SC","Noto Sans CJK SC","PingFang SC","Microsoft YaHei",sans-serif}.ln2 p[lang="zh-Hant"]{font-family:"Noto Sans TC","Noto Sans CJK TC","PingFang TC",sans-serif}
.ln2 p.yue{font-family:"Noto Sans HK","Noto Sans CJK HK","Noto Sans CJK TC","PingFang HK",sans-serif}
.kp{margin-top:6px;font-size:14px;color:var(--mut);border-top:1px solid #EEF2F7;padding-top:12px}.mlnote{font-size:14px;color:var(--mut);margin-top:14px}
@media (max-width:760px){.lc{padding:16px}.lc .tabs{gap:4px}.lc .tabs span{font-size:13px}}
.plan{min-width:0}.plan p{overflow-wrap:anywhere}