:root{--ink:#0b1230;--muted:#5f6c8f;--blue:#246bfd;--violet:#7b36f6;--cyan:#42c7ff;--green:#16b978;--line:#dfe6f2;--soft:#f6f8fd;--grad:linear-gradient(100deg,#246bfd,#7b36f6);--max:1160px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.7}a{color:var(--blue);text-underline-offset:3px}.wrap{width:min(var(--max),calc(100% - 42px));margin:auto}.skip{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.skip:focus{left:16px;top:16px;width:auto;height:auto;background:#fff;padding:10px 14px;border-radius:9px;z-index:1000}.site-header{position:sticky;top:0;z-index:30;background:#fffffff2;backdrop-filter:blur(14px);border-bottom:1px solid #edf0f7}.nav{height:74px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:900;font-size:1.18rem;text-decoration:none;letter-spacing:-.035em}.brand .accent{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}.mark{width:40px;height:36px;border:3px solid var(--violet);border-radius:12px;display:grid;place-items:center;position:relative}.mark:after{content:"";position:absolute;bottom:-7px;left:7px;border-width:6px 6px 0 0;border-style:solid;border-color:var(--violet) transparent transparent transparent}.mark svg{width:21px}.links{display:flex;gap:22px}.links a{color:#263252;text-decoration:none;font-weight:700;font-size:.91rem}.menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 12px}.hero{padding:82px 0 66px;position:relative;overflow:hidden;background:radial-gradient(circle at 80% 20%,#e8f5ff,transparent 28%),radial-gradient(circle at 96% 68%,#f1eaff,transparent 28%),linear-gradient(180deg,#fff,#fbfcff)}.hero:before{content:"";position:absolute;right:7%;top:42px;width:180px;height:180px;background-image:radial-gradient(#7b36f6 1.4px,transparent 1.4px);background-size:15px 15px;opacity:.16}.eyebrow{display:inline-block;background:#f0eaff;color:var(--violet);padding:7px 13px;border-radius:999px;font-size:.76rem;text-transform:uppercase;letter-spacing:.12em;font-weight:900}h1,h2,h3{line-height:1.12;letter-spacing:-.045em}h1{font-size:clamp(2.55rem,6.7vw,5.15rem);max-width:950px;margin:.3em 0 .24em}h2{font-size:clamp(1.75rem,4vw,2.55rem);margin-top:2.05em}h3{font-size:1.2rem}.lede{font-size:clamp(1.08rem,2.5vw,1.3rem);max-width:790px;color:#4f5d7c}.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}.chip{background:#fff;border:1px solid var(--line);box-shadow:0 5px 18px #182b5d0b;padding:8px 11px;border-radius:999px;font-size:.84rem;color:#53607e;font-weight:650}main article{max-width:850px;padding:52px 0 82px}article p,article li{font-size:1.035rem}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:30px 0}.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:23px;box-shadow:0 12px 34px #246bfd0f}.card h3{margin:.2rem 0 .5rem}.card p{font-size:.95rem;color:var(--muted);margin-bottom:0}.callout{margin:30px 0;padding:21px 23px;border-radius:16px;background:linear-gradient(100deg,#eef5ff,#f4efff);border-left:4px solid var(--violet)}.warning{background:#fff5ef;border-left-color:#f27849}.toc{background:linear-gradient(135deg,#f8fbff,#f8f5ff);border:1px solid var(--line);border-radius:18px;padding:21px 25px;margin:30px 0}.toc ol{columns:2}.template{background:#fff;border:1px solid var(--line);border-radius:16px;padding:19px 21px;margin:15px 0;box-shadow:0 7px 22px #132b5c0a}.template p{margin:.35rem 0}table{width:100%;border-collapse:separate;border-spacing:0;margin:28px 0;background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden}th,td{text-align:left;padding:14px;border-bottom:1px solid var(--line);vertical-align:top}th{background:#f3f6ff}.workflow{margin:36px 0;padding:26px;background:linear-gradient(135deg,#eef6ff,#f7efff);border:1px solid #dce4ff;border-radius:22px}.workflow-title{font-weight:900;font-size:1.08rem;margin-bottom:18px}.flow-row{display:grid;grid-template-columns:1fr 34px 1fr 34px 1fr;align-items:center;gap:8px}.flow-step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;text-align:center;min-height:145px;display:flex;flex-direction:column;justify-content:center;box-shadow:0 8px 24px #246bfd0c}.flow-icon{width:50px;height:50px;margin:0 auto 10px;border-radius:15px;background:linear-gradient(135deg,#eaf3ff,#eee8ff);display:grid;place-items:center;font-size:1.5rem}.flow-step small{color:var(--muted);line-height:1.4;margin-top:5px}.arrow{font-size:1.6rem;color:var(--violet);text-align:center;font-weight:900}.source-box{margin-top:48px;padding-top:24px;border-top:1px solid var(--line)}.source-box li{font-size:.9rem;color:var(--muted)}.related{background:linear-gradient(180deg,#f7f9fd,#f1f5ff);padding:52px 0}.related h2{margin-top:0}.site-footer{background:#0b1230;color:#dfe5f5;padding:48px 0 34px}.site-footer a{color:#fff}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.site-footer .brand{color:#fff}.fine{font-size:.82rem;color:#9faac7}.breadcrumbs{font-size:.86rem;color:var(--muted);padding-top:25px}.byline{color:var(--muted);font-size:.88rem;margin-top:18px}@media(max-width:760px){.wrap{width:min(100% - 28px,var(--max))}.nav{height:64px}.menu-btn{display:block}.links{display:none;position:absolute;left:14px;right:14px;top:66px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:17px;box-shadow:0 18px 45px #0b123025;flex-direction:column;align-items:flex-start}.links.open{display:flex}.hero{padding:55px 0 42px}.hero:before{display:none}h1{font-size:clamp(2.3rem,13vw,3.55rem)}main article{padding:38px 0 60px}.grid,.footer-grid{grid-template-columns:1fr}.toc ol{columns:1}.flow-row{grid-template-columns:1fr}.arrow{transform:rotate(90deg);height:30px}table{display:block;overflow-x:auto}.workflow{padding:18px}}

/* V3 visual editorial system */
.hero{padding:64px 0 52px}.hero .wrap{position:relative}h1{font-size:clamp(2.35rem,5.2vw,4.35rem);max-width:900px}
.visual{margin:34px 0;border:1px solid #dfe6f5;border-radius:24px;background:linear-gradient(135deg,#f7fbff,#f6f1ff);padding:28px;box-shadow:0 18px 55px rgba(48,72,150,.08);overflow:hidden}
.visual-head{display:flex;justify-content:space-between;gap:18px;align-items:end;margin-bottom:22px}.visual-head h2{margin:0;font-size:1.45rem}.visual-head p{margin:0;color:var(--muted);font-size:.92rem;max-width:420px}
.phone-flow{display:grid;grid-template-columns:1.15fr .75fr;gap:30px;align-items:center}.phone{width:min(330px,100%);margin:auto;background:#0c1430;border:8px solid #0c1430;border-radius:38px;padding:10px;box-shadow:0 25px 60px #152a6830}.screen{background:#fff;border-radius:27px;min-height:480px;padding:18px 15px}.status{font-size:.72rem;font-weight:800;display:flex;justify-content:space-between}.chat-title{text-align:center;font-size:.82rem;font-weight:800;padding:22px 0 14px;border-bottom:1px solid #edf0f7}.bubble{margin:28px 0 12px;background:#eef1f7;border-radius:18px 18px 18px 5px;padding:14px;font-size:.9rem;line-height:1.45}.review-btn{display:block;background:var(--grad);color:#fff;text-decoration:none;text-align:center;padding:12px;border-radius:10px;font-weight:800;font-size:.87rem}.micro{font-size:.7rem;color:#6d7691;margin-top:14px}
.steps{display:grid;gap:12px}.step{display:grid;grid-template-columns:48px 1fr;gap:13px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:16px;padding:15px;box-shadow:0 7px 22px #263e8a0a}.step-num{width:44px;height:44px;border-radius:13px;background:linear-gradient(135deg,#e9f3ff,#eee7ff);display:grid;place-items:center;font-weight:900;color:var(--violet)}.step strong{display:block}.step span{font-size:.83rem;color:var(--muted)}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:20px}.time-node{text-align:center;position:relative;padding:0 8px}.time-node:before{content:"";position:absolute;height:3px;background:linear-gradient(90deg,var(--blue),var(--violet));top:24px;left:-50%;right:50%;z-index:0}.time-node:first-child:before{display:none}.time-dot{width:48px;height:48px;border-radius:50%;background:#fff;border:3px solid var(--blue);display:grid;place-items:center;margin:0 auto 10px;position:relative;z-index:1;font-weight:900}.time-node p{font-size:.82rem;color:var(--muted);line-height:1.35}
.compare{display:grid;grid-template-columns:1fr 70px 1fr;align-items:stretch;gap:12px}.compare-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.compare-card .bigicon{font-size:2rem}.compare-card h3{margin:.5rem 0}.vs{display:grid;place-items:center;font-weight:900;color:var(--violet)}
.do-dont{display:grid;grid-template-columns:1fr 1fr;gap:18px}.do,.dont{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.do{border-top:4px solid #19b978}.dont{border-top:4px solid #f27849}.do h3,.dont h3{margin-top:0}
.checkgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.checkitem{background:#fff;border:1px solid var(--line);border-radius:14px;padding:15px;display:flex;gap:10px}.checkmark{color:var(--green);font-weight:900}
@media(max-width:760px){h1{font-size:clamp(2.15rem,11vw,3.15rem)}.visual{padding:18px;margin:26px 0}.visual-head{display:block}.visual-head p{margin-top:8px}.phone-flow,.compare,.do-dont,.checkgrid{grid-template-columns:1fr}.vs{padding:2px}.timeline{grid-template-columns:1fr;gap:12px}.time-node{text-align:left;display:grid;grid-template-columns:50px 1fr;align-items:center}.time-node:before{width:3px;height:calc(100% + 14px);left:23px;top:-14px;right:auto}.time-dot{margin:0}.screen{min-height:420px}}

.resource-hero{padding:60px 0 40px;background:linear-gradient(135deg,#f6faff,#f8f3ff)}.resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:28px 0 48px}.resource-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 12px 34px rgba(36,107,253,.06);display:flex;flex-direction:column}.resource-card .tag{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;font-weight:900;color:var(--violet)}.resource-card h2{font-size:1.35rem;margin:.55rem 0}.resource-card p{color:var(--muted);font-size:.94rem}.resource-card a{margin-top:auto;font-weight:800}.article-meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:.85rem;margin-top:18px}.article-meta span+span:before{content:"•";margin-right:10px}.pullquote{font-size:1.28rem;line-height:1.5;font-weight:750;color:var(--navy);padding:22px 0 22px 24px;border-left:4px solid var(--violet);margin:30px 0}.example-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:22px 0}.example-box{border:1px solid var(--line);border-radius:16px;padding:19px;background:#fff}.example-box.bad{border-top:4px solid #ef7655}.example-box.good{border-top:4px solid #19b978}.example-box h3{margin-top:0}.contribute{background:linear-gradient(110deg,#162554,#3d287a);color:#fff;border-radius:22px;padding:30px;margin:40px 0}.contribute h2{color:#fff;margin-top:0}.contribute p{color:#e3e8ff}.contribute a{display:inline-block;background:#fff;color:#28306e;padding:11px 15px;border-radius:10px;text-decoration:none;font-weight:850}.note{font-size:.88rem;color:var(--muted)}@media(max-width:760px){.resource-grid,.example-pair{grid-template-columns:1fr}.resource-hero{padding:46px 0 30px}}

.pitch-form{display:grid;gap:17px;margin:24px 0 42px;background:#f8faff;border:1px solid var(--line);border-radius:20px;padding:24px}.pitch-form label{display:grid;gap:7px;font-weight:750;color:var(--navy)}.pitch-form input,.pitch-form textarea{width:100%;border:1px solid #ccd6e8;border-radius:11px;padding:12px 13px;background:#fff;color:var(--ink);font:inherit}.pitch-form input:focus,.pitch-form textarea:focus{outline:3px solid #246bfd22;border-color:var(--blue)}.pitch-submit{border:0;background:var(--grad);color:#fff;padding:13px 18px;border-radius:11px;font:inherit;font-weight:850;cursor:pointer;justify-self:start}.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}