:root{--bg:#fff;--ink:#16161d;--sub:#5b5b6b;--faint:#8a8a99;--line:#ececf1;--brand:#ff5c1a;--brand2:#ff8a3d;--accent:#ffd166;--brand-soft:#fff0e6;--crit:#e51c00;--ok:#29845a;--warn:#e3a008;--radius:16px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Helvetica Neue,Helvetica,Arial,PingFang SC,Microsoft YaHei,Hiragino Sans GB,Heiti SC,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:15px}a{color:inherit;text-decoration:none;cursor:pointer}.container{max-width:1280px;margin:0 auto;padding:0 24px}.container.narrow{max-width:860px}#toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%) translateY(20px);background:#14121f;color:#fff;padding:11px 20px;border-radius:12px;font-size:14px;box-shadow:0 8px 24px #00000040;opacity:0;pointer-events:none;transition:.2s;z-index:90}#toast.show{opacity:1;transform:translate(-50%) translateY(0)}.nav{position:sticky;top:0;z-index:40;background:#ffffffdb;backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.nav .inner{display:flex;align-items:center;gap:22px;height:64px}.logo{font-weight:800;font-size:18px;display:inline-flex;align-items:center;gap:8px;line-height:1}.logo img{display:block;flex-shrink:0}.nav .links{display:flex;gap:22px;flex:1;font-size:14px;color:var(--sub)}.nav .links a:hover{color:var(--ink)}.nav .links a.active{color:var(--ink);font-weight:650}.navmenu{display:flex;align-items:center;gap:22px;flex:1}.navtoggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;padding:9px;background:none;border:0;cursor:pointer;margin-left:auto}.navtoggle span{display:block;width:100%;height:2px;background:var(--ink);border-radius:2px;transition:.25s}.navtoggle[aria-expanded=true] span:nth-child(1){transform:translateY(7px) rotate(45deg)}.navtoggle[aria-expanded=true] span:nth-child(2){opacity:0}.navtoggle[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.nav .links .has-sub{position:relative}.nav .sub{position:absolute;top:26px;left:-12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px;min-width:180px;box-shadow:0 12px 30px #14121f1a;display:none}.nav .has-sub:hover .sub{display:block}.nav .sub:before{content:"";position:absolute;left:0;right:0;top:-16px;height:16px}.nav .sub a{display:block;color:var(--ink);padding:8px 10px;border-radius:8px;font-size:13.5px}.nav .sub a:hover{background:var(--brand-soft);color:var(--brand)}.lang{display:inline-flex;border:1px solid var(--line);border-radius:9px;overflow:hidden;font-size:13px;font-weight:600}.lang a{padding:6px 10px;color:var(--sub)}.lang a.on{background:var(--brand);color:#fff}.langdd{position:relative}.langtrigger{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line);border-radius:9px;padding:6px 11px;font-size:13px;font-weight:600;color:var(--sub);cursor:pointer;white-space:nowrap}.langtrigger:hover{border-color:var(--brand);color:var(--brand)}.langdd .sub{position:absolute;background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px;min-width:140px;box-shadow:0 12px 30px #14121f1f;display:none;z-index:50}.langdd:hover .sub{display:block}.langdd .sub a{display:block;color:var(--ink);padding:8px 10px;border-radius:8px;font-size:13.5px}.langdd .sub a:hover{background:var(--brand-soft);color:var(--brand)}.langdd .sub a.on{color:var(--brand);font-weight:700}.langdd .sub.right{right:0;left:auto;top:30px}.langdd.up .sub.right{bottom:30px;top:auto}.langdd .sub:before{content:"";position:absolute;left:0;right:0;top:-16px;height:16px}.langdd.up .sub:before{top:auto;bottom:-16px}.btn{display:inline-flex;align-items:center;gap:7px;border-radius:10px;padding:9px 16px;font-weight:650;font-size:14px;cursor:pointer;border:1px solid var(--line);background:#fff;color:var(--ink)}.btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}.btn.primary:hover{background:#e54a0e}.btn.lg{padding:13px 22px;font-size:15px}.btn.ghost-light{background:#ffffff1f;border-color:#ffffff4d;color:#fff}.hero{background:radial-gradient(1200px 520px at 50% -10%,#3a1f10,#14121f 55%);color:#fff;padding:80px 0 90px;text-align:center;overflow:hidden}.tagpill{display:inline-flex;align-items:center;gap:7px;background:#ffd16624;border:1px solid rgba(255,209,102,.35);color:var(--accent);border-radius:30px;padding:6px 14px;font-size:13px;font-weight:600;margin-bottom:18px}.hero h1{font-size:47px;line-height:1.12;margin:0 auto 16px;max-width:780px;font-weight:820;letter-spacing:-.5px}.hero h1 .g{background:linear-gradient(90deg,#ffb088,#ffd166);-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{color:#c7c7d6;font-size:18px;max-width:640px;margin:0 auto 26px}.hero .cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.hero .trust{margin-top:24px;color:#9a9ab0;font-size:13px}.loop{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;max-width:960px;margin:38px auto 0}.loop .n{background:#ffffff0d;border:1px solid rgba(255,255,255,.12);border-radius:13px;padding:14px;text-align:left}.loop .n .ic{font-size:19px}.loop .n b{display:block;margin:6px 0 2px;font-size:13px}.loop .n span{color:#aaaabc;font-size:11.5px;line-height:1.45}.phero{background:linear-gradient(180deg,#fff7f2,#fff);border-bottom:1px solid var(--line);padding:54px 0 40px;text-align:center}.phero h1{font-size:38px;margin:6px 0 12px;font-weight:820;letter-spacing:-.4px}.phero p{color:var(--sub);font-size:17px;max-width:640px;margin:0 auto}.breadcrumb{font-size:12.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin-bottom:14px}.logos{padding:26px 0;border-bottom:1px solid var(--line);background:#fff}.logos .row{display:flex;align-items:center;justify-content:center;gap:30px;flex-wrap:wrap;color:var(--faint);font-size:13px}.logos .row b{color:var(--sub)}section{padding:68px 0}.eyebrow{color:var(--brand);font-weight:700;font-size:13px;letter-spacing:.4px;text-transform:uppercase;text-align:center}h2.big{font-size:34px;text-align:center;margin:8px 0;font-weight:800;letter-spacing:-.3px}.lead{color:var(--sub);text-align:center;max-width:640px;margin:0 auto 36px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.feature{border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:#fff;transition:.15s}.feature:hover{box-shadow:0 10px 30px #14121f12;transform:translateY(-2px)}.feature .ic{width:42px;height:42px;border-radius:11px;background:linear-gradient(135deg,#fff0e6,#fff6ee);display:flex;align-items:center;justify-content:center;font-size:21px;margin-bottom:12px}.feature h3{margin:0 0 6px;font-size:17px}.feature p{margin:0;color:var(--sub);font-size:14px}.feature .more{display:inline-block;margin-top:10px;font-size:13px;color:var(--brand);font-weight:600}.center-cta{text-align:center;margin-top:30px}.pillar{display:grid;grid-template-columns:80px 1fr;gap:20px;border:1px solid var(--line);border-radius:18px;padding:24px;background:#fff;margin-bottom:16px}.pillar .pic{width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,#fff0e6,#fff6ee);display:flex;align-items:center;justify-content:center;font-size:30px}.pillar h3{margin:0 0 6px;font-size:20px}.pillar p{margin:0 0 10px;color:var(--sub);font-size:14.5px}.pillar .pts{display:flex;flex-wrap:wrap;gap:8px}.pillar .pts span{background:var(--brand-soft);color:var(--brand);border-radius:8px;padding:4px 10px;font-size:12.5px;font-weight:600}.dist{background:linear-gradient(135deg,#14121f,#2a1d14);color:#fff;border-radius:24px;padding:42px;display:grid;grid-template-columns:1.1fr 1fr;gap:30px;align-items:center}.dist h2{font-size:28px;margin:0 0 12px}.dist p{color:#c7c7d6;margin:0 0 18px}.chan{display:flex;flex-wrap:wrap;gap:9px}.chan span{background:#ffffff14;border:1px solid rgba(255,255,255,.16);border-radius:10px;padding:8px 12px;font-size:13px}.dist .panel{background:#ffffff0a;border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:18px}.dist .panel .r{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:13.5px}.dist .panel .r:last-child{border:0}.dot{width:8px;height:8px;border-radius:50%;display:inline-block}.solgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:30px}.solcard{border:1px solid var(--line);border-radius:16px;padding:24px;background:#fff}.solcard .sh{display:flex;gap:12px;align-items:flex-start;margin-bottom:12px}.solcard .sh .ic{font-size:28px}.solcard .sh b{font-size:18px}.solcard .pain{color:var(--sub);font-size:13px;margin-top:3px}.solcard ul{list-style:none;padding:0;margin:0 0 12px}.solcard li{padding:5px 0 5px 20px;position:relative;font-size:13.5px;color:var(--sub)}.solcard li:before{content:"→";position:absolute;left:0;color:var(--brand);font-weight:800}.solcard .out{background:var(--brand-soft);color:var(--brand);border-radius:10px;padding:8px 12px;font-size:13px;font-weight:600}.badge-soon{background:#ededf3;color:var(--sub);font-size:11px;border-radius:20px;padding:2px 8px;margin-left:6px;font-weight:600}.price{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.pcard{border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:#fff;display:flex;flex-direction:column}.pcard.hot{border-color:var(--brand);box-shadow:0 12px 34px #ff5c1a24;position:relative}.pcard.hot:before{content:"最受欢迎";position:absolute;top:-11px;left:50%;transform:translate(-50%);background:var(--brand);color:#fff;font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px}.pcard h3{margin:0 0 2px;font-size:18px}.pcard .pr{font-size:30px;font-weight:800;margin:6px 0}.pcard .pr small{font-size:13px;color:var(--faint);font-weight:500}.pcard ul{list-style:none;padding:0;margin:12px 0 16px;flex:1}.pcard li{padding:5px 0;font-size:13.5px;color:var(--sub);display:flex;gap:7px}.pcard li:before{content:"✓";color:var(--ok);font-weight:800}.ctable{width:100%;border-collapse:collapse;font-size:14px;margin-top:10px}.ctable th,.ctable td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}.ctable th{font-size:12.5px;color:var(--faint);text-transform:uppercase;letter-spacing:.3px}.ctable td:first-child{color:var(--sub)}.faq{max-width:780px;margin:30px auto 0}.qa{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden}.qa summary{padding:16px 18px;font-weight:650;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}.qa summary::-webkit-details-marker{display:none}.qa summary:after{content:"+";color:var(--brand);font-weight:800;font-size:18px}.qa[open] summary:after{content:"−"}.qa .a{padding:0 18px 16px;color:var(--sub);font-size:14px}.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px}.post{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;transition:.15s;display:flex;flex-direction:column}.post:hover{box-shadow:0 10px 30px #14121f14;transform:translateY(-2px)}.post .thumb{height:120px;background:linear-gradient(135deg,#fff0e6,#ffe2cf);display:flex;align-items:center;justify-content:center;font-size:34px;overflow:hidden}.post .thumb img{width:100%;height:100%;object-fit:cover;display:block}.post .body{padding:16px}.post .cat{font-size:11.5px;color:var(--brand);font-weight:700;text-transform:uppercase;letter-spacing:.3px}.post h3{margin:6px 0;font-size:16px;line-height:1.4}.post .meta{color:var(--faint);font-size:12.5px}.tagrow{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:24px}.chip{border:1px solid var(--line);border-radius:20px;padding:6px 14px;font-size:13px;color:var(--sub);cursor:pointer}.chip.on,.chip:hover{background:var(--brand-soft);color:var(--brand);border-color:var(--brand-soft)}.prose{max-width:740px;margin:0 auto;font-size:16px;line-height:1.8}.prose h2{font-size:24px;margin:32px 0 10px}.prose h3{font-size:19px;margin:24px 0 8px}.prose p{margin:0 0 16px;color:#2b2b36}.prose ul{margin:0 0 16px;padding-left:22px;color:#2b2b36}.prose li{margin-bottom:6px}.prose blockquote{border-left:3px solid var(--brand);margin:0 0 16px;padding:6px 16px;background:var(--brand-soft);color:#5a3a20;border-radius:0 8px 8px 0}.toc{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:#fafafa;font-size:14px;margin-bottom:24px}.toc b{display:block;margin-bottom:8px}.toc a{display:block;color:var(--sub);padding:3px 0}.toc a:hover{color:var(--brand)}.post-meta{color:var(--faint);font-size:13.5px;margin-bottom:18px;display:flex;gap:14px;flex-wrap:wrap}.gloss{max-width:840px;margin:0 auto}.gterm{border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin-bottom:12px}.gterm h3{margin:0 0 6px;font-size:18px}.gterm .ab{color:var(--faint);font-size:13px;font-weight:600}.gterm p{margin:6px 0 0;color:var(--sub);font-size:14.5px}.gterm .rel{margin-top:8px;font-size:13px}.field{margin-bottom:14px}.field label{display:block;font-size:13px;font-weight:600;margin-bottom:5px}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 12px;font:inherit;font-size:14px}.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--brand)}.cardbox{border:1px solid var(--line);border-radius:18px;padding:26px;background:#fff}.statline{display:flex;gap:28px;flex-wrap:wrap;justify-content:center;margin-top:24px}.statline .s b{font-size:28px;display:block}.statline .s span{color:var(--sub);font-size:13px}.band{background:linear-gradient(120deg,var(--brand),var(--brand2));color:#fff;border-radius:24px;padding:46px;text-align:center}.band h2{font-size:30px;margin:0 0 10px}.band p{color:#fff3ec;margin:0 0 22px}footer{border-top:1px solid var(--line);padding:40px 0 28px;color:var(--faint);font-size:13px;background:#fafafa}.fgrid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:18px}.fgrid .col b{display:block;color:var(--faint);font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;margin-bottom:6px}.fgrid .col a{display:block;color:var(--sub);padding:4px 0}.fgrid .col a.logo{display:inline-flex;align-items:center;gap:8px;line-height:1;padding:0}.fbot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;border-top:1px solid var(--line);margin-top:26px;padding-top:18px}@media (max-width:900px){.navtoggle{display:flex}.navmenu{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:2px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 14px 30px #14121f1a;padding:10px 22px 16px}.navmenu.open{display:flex}.navmenu .links{flex:none;flex-direction:column;gap:0;font-size:15px}.navmenu .links>a,.navmenu .links .has-sub>a{display:block;padding:11px 0;border-bottom:1px solid var(--line)}.nav .sub{position:static;display:block;border:0;box-shadow:none;padding:2px 0 6px 14px;min-width:0}.nav .sub:before{display:none}.nav .sub a{padding:8px 0}.navmenu .langtrigger{display:none}.navmenu .langdd{padding:6px 0}.navmenu .langdd .sub,.navmenu .langdd .sub.right{position:static;display:block;border:0;box-shadow:none;padding:0;min-width:0}.navmenu .langdd .sub:before{display:none}.navmenu .langdd .sub a{display:inline-block;margin-right:16px;padding:8px 0}.navmenu .btn{width:100%;justify-content:center;margin-top:8px}.grid3,.grid2,.solgrid,.price,.blog-grid{grid-template-columns:1fr 1fr}.loop{grid-template-columns:repeat(3,1fr)}.dist{grid-template-columns:1fr}.dist{padding:28px}.pillar{grid-template-columns:auto 1fr;column-gap:14px;row-gap:6px;align-items:center}.pillar>div{display:contents}.pillar .pic{width:52px;height:52px;font-size:26px;border-radius:13px;grid-column:1;grid-row:1}.pillar h3{grid-column:2;grid-row:1;margin:0}.pillar p{grid-column:1 / -1;margin:6px 0 10px}.pillar .pts{grid-column:1 / -1}.hero{padding:60px 0 66px}.hero h1{font-size:33px}.hero p{font-size:16px}.phero{padding:44px 0 32px}.phero h1{font-size:29px}section{padding:52px 0}.band{padding:36px 22px}.band h2{font-size:25px}}@media (max-width:600px){.container{padding:0 16px}.grid3,.grid2,.solgrid,.price,.blog-grid{grid-template-columns:1fr}.loop{grid-template-columns:repeat(2,1fr)}.hero h1{font-size:26px}.hero p{font-size:15px}h2.big{font-size:25px}.phero h1{font-size:26px}.dist{padding:22px}.dist h2{font-size:23px}.band{padding:26px 16px}.band h2{font-size:23px}.cardbox{padding:20px}.pillar{padding:18px}.statline{gap:16px}.statline .s b{font-size:24px}.ctable th,.ctable td{padding:9px 8px;font-size:13px}.prose{font-size:15.5px}.feature{display:grid;grid-template-columns:auto 1fr;align-items:center;column-gap:12px;row-gap:8px;padding:18px}.feature .ic{margin-bottom:0}.feature h3{margin:0}.feature p,.feature .more{grid-column:1 / -1;margin:0}.loop .n{display:grid;grid-template-columns:auto 1fr;align-items:center;column-gap:9px;row-gap:2px}.loop .n .ic,.loop .n b{margin:0}.loop .n span{grid-column:1 / -1}}