:root { color-scheme: light; --ink:#172331; --muted:#5f6e7a; --line:#dce6e7; --bg:#f6f9f8; --card:#fff; --dark:#132b33; --green:#177568; --green-dark:#11584d; --mint:#e7f5ed; --orange:#eaa35d; --shadow:0 18px 55px rgba(13,42,52,.065); font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,"Noto Sans SC",sans-serif; }
* {box-sizing:border-box} html {scroll-behavior:smooth} body {margin:0;color:var(--ink);background:var(--bg);line-height:1.58} a{color:inherit;text-decoration:none} button,input,textarea,select{font:inherit} button{cursor:pointer} a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #63c5a4;outline-offset:3px} .container{width:min(1140px,calc(100% - 38px));margin:auto}
header{background:rgba(255,255,255,.93);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;backdrop-filter:blur(14px)}.nav{min-height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;gap:12px;align-items:center;font-weight:800;font-size:1.19rem;letter-spacing:-.04em}.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--dark);color:#d8fbee;display:grid;place-items:center;font-size:20px;box-shadow:inset -9px -8px #225b5d}.navlinks{display:flex;align-items:center;gap:22px;margin-left:auto;font-size:.9rem;color:var(--muted)}.navlinks a:hover,.footer-links a:hover{color:var(--green)}.langpick{display:flex;gap:5px;margin-left:5px;background:#f0f4f2;border:1px solid var(--line);padding:5px;border-radius:12px;font-size:.79rem}.langpick a{padding:5px 9px;border-radius:8px;color:var(--muted)}.langpick .active{background:#fff;color:var(--green-dark);box-shadow:0 1px 7px #122a2415;font-weight:700}
.hero{padding:86px 0 53px;background:radial-gradient(ellipse at 88% 12%,#d8f2e9 0,transparent 42%),radial-gradient(ellipse at 1% 60%,#eef4de 0,transparent 32%)}.hero-shell{display:grid;grid-template-columns:1.08fr .92fr;gap:40px;align-items:center}.eyebrow{display:inline-block;border:1px solid #cbe3d8;border-radius:999px;background:#edf7f0;color:#27675a;padding:6px 12px;font-size:.76rem;font-weight:750;letter-spacing:.03em}h1{font-size:clamp(2.1rem,4.8vw,3.62rem);letter-spacing:-.052em;line-height:1.12;margin:19px 0 19px;font-weight:800}.hero p{font-size:1.1rem;max-width:570px;color:#536773;margin:0 0 25px}.buttons{display:flex;gap:10px;flex-wrap:wrap}.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;border:1px solid transparent;border-radius:12px;padding:12px 17px;font-weight:700;font-size:.91rem;transition:transform .16s,background .16s}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--green);color:white}.btn-primary:hover{background:var(--green-dark)}.btn-outline{border-color:#c9dad7;color:var(--ink);background:white}.mini-stats{display:flex;gap:20px;margin-top:24px;color:#5e726f;font-size:.8rem;flex-wrap:wrap}.mini-stats span{display:flex;align-items:center;gap:7px}.check{font-weight:bold;color:#22846a}.preview{background:#122c34;box-shadow:0 28px 65px #2b55502c;border-radius:21px;overflow:hidden;transform:rotate(1deg);color:#f5fffa}.preview-top{display:flex;align-items:center;gap:8px;border-bottom:1px solid #ffffff20;padding:14px 20px;font-size:.76rem;color:#adc6bc}.dot{height:8px;width:8px;border-radius:50%;background:#efad70}.dot:nth-child(2){background:#9dcb8c}.dot:nth-child(3){background:#8eb6de}.preview-text{padding:27px 28px 32px}.preview-kicker{font-size:.68rem;letter-spacing:.13em;text-transform:uppercase;color:#8dc2ae;margin-bottom:13px}.caption-row{border-left:3px solid #6ac5ae;padding:8px 0 11px 17px;margin:17px 0 19px}.caption-row p{font-size:1.08rem;color:white;margin:0 0 6px}.caption-row small{font-size:.85rem;color:#b8d4d2}.preview-footer{font-size:.76rem;background:#25454a;border-radius:10px;padding:11px 13px;color:#bfe7dd}.section{padding:62px 0}.section-title{margin:0 0 12px;letter-spacing:-.04em;line-height:1.2;font-size:clamp(1.65rem,3vw,2.15rem)}.lead{color:var(--muted);margin:0 0 26px;max-width:760px}.tool-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.tool-card{background:white;border:1px solid #dfe9e8;border-radius:17px;padding:23px 20px;box-shadow:var(--shadow);display:flex;flex-direction:column;min-height:237px;transition:transform .16s,border-color .16s}.tool-card:hover{transform:translateY(-4px);border-color:#9dc7b5}.tool-icon{background:#e4f4ec;color:#1d7361;width:43px;height:43px;display:grid;place-items:center;font-size:20px;border-radius:13px}.tool-card h3{font-size:1.07rem;letter-spacing:-.02em;margin:16px 0 7px}.tool-card p{font-size:.87rem;color:var(--muted);margin:0 0 14px;flex:1}.tool-link{font-size:.83rem;color:#167164;font-weight:750}.feature-row{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin-top:37px}.feature{display:flex;gap:11px}.feature .mark{color:var(--green);font-weight:800}.feature h3{font-size:.95rem;margin:0 0 4px}.feature p{color:var(--muted);font-size:.83rem;margin:0}.soft{background:#edf4f0}.guide{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}.guide-card,.faq,.copy-block{background:white;border:1px solid var(--line);border-radius:16px;padding:24px}.guide-card h3{margin-top:0;font-size:1.03rem}.guide-card li{margin:7px 0;color:#56666e}.faq h3{font-size:.98rem;margin:0 0 5px}.faq p{color:var(--muted);font-size:.87rem;margin:0 0 18px}.faq p:last-child{margin-bottom:0}
.page-heading{padding:55px 0 26px}.crumb{font-size:.84rem;color:var(--muted)}.crumb a:hover{color:var(--green)}.page-heading h1{font-size:clamp(1.9rem,4vw,2.9rem);margin:13px 0 10px}.page-heading .summary{color:var(--muted);font-size:1rem;max-width:850px;margin:0}.layout{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(250px,.75fr);gap:20px;align-items:start;padding-bottom:42px}.editor{background:var(--card);border:1px solid var(--line);border-radius:17px;padding:23px;box-shadow:var(--shadow)}.editor h2{font-size:1.1rem;margin:0 0 5px}.helper{font-size:.83rem;color:var(--muted);margin:0 0 14px}.field-label{display:block;font-size:.86rem;font-weight:730;margin:12px 0 6px}.input-text,.input-number{background:#fbfdfc;border:1px solid #cbd9d8;border-radius:11px;display:block;width:100%;padding:13px;color:var(--ink)}.input-text{min-height:185px;resize:vertical;font-size:.88rem;line-height:1.55;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.input-number{max-width:175px}.file-choice{border:1px dashed #accac5;border-radius:10px;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 14px;margin-bottom:10px;background:#f5faf8;color:#4f6866;font-size:.78rem;flex-wrap:wrap}.file-choice input{max-width:100%;font-size:.78rem}.control-row{display:flex;flex-wrap:wrap;align-items:end;gap:17px;margin:12px 0}.control-row label{font-size:.83rem;color:#596d6a}.control-row small{display:block;color:var(--muted);font-size:.78rem;margin:3px 0}.control-row .check-row{display:flex;align-items:center;gap:8px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:19px 0 10px}.notice{border-radius:10px;background:#eaf7ee;color:#1c755d;padding:10px 13px;font-size:.82rem;min-height:25px;margin-top:10px}.notice:empty{padding:0;margin:0;min-height:0}.notice.error{color:#ab3d37;background:#fff1e9}.result-panel{border-top:1px solid var(--line);margin-top:23px;padding-top:20px}.result-panel[hidden]{display:none}.result-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:15px 0 7px}.result-head h3{font-size:.91rem;margin:0}.result-actions{display:flex;gap:7px}.small-btn{font-size:.76rem;font-weight:650;padding:7px 10px;border-radius:8px;background:#eff6f3;color:#1e6259;border:1px solid #d4e8df}.result-panel textarea{min-height:155px;background:#f8faf9}.sidebar{display:flex;flex-direction:column;gap:13px}.sidebar-box{padding:22px;background:white;border:1px solid var(--line);border-radius:16px}.sidebar-box h3{font-size:.97rem;margin:0 0 13px}.sidebar-box ol{padding-left:19px;margin:0}.sidebar-box li{color:var(--muted);font-size:.85rem;margin:0 0 10px}.sidebar-box li:last-child{margin-bottom:0}.privacy-chip{background:#e7f5ed;border:1px solid #cde8da;color:#216f59;font-size:.84rem;font-weight:650;border-radius:13px;padding:15px}.sidebar-box a{display:block;padding:7px 0;font-size:.85rem;color:#166d5f}.detail-content{padding:0 0 70px}.detail-content .container{max-width:1140px}.article{max-width:790px}.article h2{font-size:1.45rem;letter-spacing:-.026em;margin:32px 0 10px}.article p,.article li{color:#52636b;font-size:.95rem}.article li{margin-bottom:8px}.article strong{color:#223338}.article code{background:#e8efec;padding:2px 6px;border-radius:5px;color:#2e645a}.info-table{border-collapse:collapse;width:100%;margin:15px 0}.info-table td{border-bottom:1px solid var(--line);padding:11px 8px;font-size:.9rem}.info-table td:first-child{font-weight:700;width:37%}
footer{border-top:1px solid var(--line);background:#fff;margin-top:12px}.foot{padding:30px 0 36px;display:flex;align-items:center;justify-content:space-between;gap:18px;font-size:.82rem;color:var(--muted)}.footer-links{display:flex;flex-wrap:wrap;gap:17px}.copyright{font-size:.78rem}
@media(max-width:900px){.tool-grid{grid-template-columns:repeat(2,1fr)}.hero-shell{grid-template-columns:1fr}.preview{max-width:600px;transform:none}.layout{grid-template-columns:1fr}.sidebar{display:grid;grid-template-columns:repeat(2,1fr)}.sidebar .privacy-chip{grid-column:1/-1}.navlinks{gap:11px}}@media(max-width:600px){.container{width:min(100% - 28px,1140px)}.nav{gap:12px;min-height:67px}.brand{font-size:1.02rem}.brand-mark{width:32px;height:32px;font-size:17px}.navlinks a:nth-child(2){display:none}.langpick{margin-left:auto}.navlinks{margin-left:auto;font-size:.83rem}.hero{padding:50px 0 38px}.hero-shell{gap:25px}.tool-grid,.guide,.feature-row,.sidebar{grid-template-columns:1fr}.feature-row{gap:16px}.tool-card{min-height:0}.section{padding:40px 0}.page-heading{padding:35px 0 22px}.editor{padding:16px}.foot{align-items:start;flex-direction:column}.mini-stats{gap:8px 16px}.result-head{align-items:start;flex-direction:column}}