/* Bright Sparrow company site. Ink, teal and a little sunlight on white; the same system as brightsparrow.ai. */
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:500;font-display:swap;src:url(fonts/space-grotesk-latin-500-normal.woff2) format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:600;font-display:swap;src:url(fonts/space-grotesk-latin-600-normal.woff2) format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:700;font-display:swap;src:url(fonts/space-grotesk-latin-700-normal.woff2) format('woff2')}
@font-face{font-family:'DM Sans';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/dm-sans-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'DM Sans';font-style:normal;font-weight:500;font-display:swap;src:url(fonts/dm-sans-latin-500-normal.woff2) format('woff2')}
@font-face{font-family:'DM Sans';font-style:normal;font-weight:600;font-display:swap;src:url(fonts/dm-sans-latin-600-normal.woff2) format('woff2')}

:root{
  --ink:#0e2238;--ink-2:#2c4258;--muted:#556a7e;
  --line:#e1e7eb;--line-2:#ccd6dd;
  --white:#fff;--wash:#f4f8f9;--ivory:#faf8f3;
  --teal:#07797a;--teal-2:#0a9494;--teal-wash:#e4f2f1;
  --sun:#f2ad36;--sun-wash:#fdf0d6;--sky:#84b0c6;
  --shadow:0 1px 2px rgba(14,34,56,.05),0 18px 40px -18px rgba(14,34,56,.22);
  --r:14px;--r-lg:24px;
  --cjk:"PingFang SC","Hiragino Sans GB","Hiragino Sans","Noto Sans SC","Noto Sans JP","Microsoft YaHei","Yu Gothic UI","Meiryo",sans-serif;
  --display:"Space Grotesk",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,var(--cjk);
  --body:"DM Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,var(--cjk);
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --wrap:1200px;--pad:clamp(20px,4vw,40px);--header:72px;
}
html:lang(ja){--body:"DM Sans",ui-sans-serif,system-ui,-apple-system,"Hiragino Sans","Yu Gothic UI","Noto Sans JP","Meiryo",sans-serif;--display:"Space Grotesk",ui-sans-serif,system-ui,-apple-system,"Hiragino Sans","Yu Gothic UI","Noto Sans JP","Meiryo",sans-serif}
html:lang(zh-Hans){--body:"DM Sans",ui-sans-serif,system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",sans-serif;--display:"Space Grotesk",ui-sans-serif,system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",sans-serif}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header) + 16px)}
body{margin:0;background:var(--white);color:var(--ink);font:400 17px/1.65 var(--body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
p{margin:0}
h1,h2,h3,h4{margin:0;font-family:var(--display);font-weight:600;letter-spacing:-.025em;line-height:1.1;text-wrap:balance}
p,li,dd{text-wrap:pretty}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--teal-2);outline-offset:3px;border-radius:6px}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;font-weight:600}
.skip:focus{top:12px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding-inline:var(--pad)}
html:lang(ja){word-break:auto-phrase;line-break:strict}
html:lang(zh-Hans){line-break:strict}

/* Buttons and links */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 24px;border-radius:12px;border:1px solid transparent;font:600 16px/1.2 var(--body);cursor:pointer;text-align:center;transition:background .18s,border-color .18s,transform .18s,box-shadow .18s}
.btn-primary{background:var(--ink);color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.12) inset,0 10px 22px -10px rgba(14,34,56,.6)}
.btn-primary:hover{background:#17304d;transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--teal-wash)}
.btn-sm{min-height:42px;padding:0 18px;font-size:15px;border-radius:10px}
.btn:disabled{opacity:.6;cursor:progress;transform:none}
.link{display:inline-block;color:var(--teal);font-weight:600;border-bottom:1px solid color-mix(in srgb,var(--teal) 35%,transparent);transition:border-color .18s,color .18s}
.link:hover{border-color:var(--teal)}
.link-btn{background:none;border:0;padding:0;cursor:pointer;color:var(--teal);font-weight:600;border-bottom:1px solid color-mix(in srgb,var(--teal) 35%,transparent)}
.link-btn:hover{border-color:var(--teal)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid transparent;transition:border-color .2s,background .2s}
.site-header.scrolled{border-color:var(--line);background:rgba(255,255,255,.95)}
.bar{display:flex;align-items:center;gap:26px;height:var(--header)}
.brand{display:inline-flex;align-items:center;gap:11px;font:600 19px/1 var(--display);letter-spacing:-.03em;white-space:nowrap}
.brand svg{width:34px;height:34px;flex:none;border-radius:9px}
.nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav a{padding:9px 12px;border-radius:10px;font-weight:500;font-size:15.5px;color:var(--ink-2);transition:background .15s,color .15s;white-space:nowrap}
.nav a:hover,.nav a[aria-current=page]{background:var(--wash);color:var(--ink)}
.nav a.ai-link{color:var(--teal);font-weight:600}
.bar-end{display:flex;align-items:center;gap:10px;margin-left:auto}
.lang{position:relative}
.lang>summary{list-style:none;display:inline-flex;align-items:center;gap:7px;height:42px;padding:0 12px;border-radius:10px;cursor:pointer;font-weight:600;font-size:15px;color:var(--ink-2)}
.lang>summary::-webkit-details-marker{display:none}
.lang>summary:hover,.lang[open]>summary{background:var(--wash);color:var(--ink)}
.lang svg{width:18px;height:18px}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);min-width:170px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:6px;z-index:5}
.lang-menu a{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-radius:9px;font-weight:500;font-size:15.5px}
.lang-menu a:hover{background:var(--wash)}
.lang-menu a[aria-current=true]{color:var(--teal);font-weight:600}
.menu-btn{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line-2);background:#fff;cursor:pointer;align-items:center;justify-content:center}
.menu-btn svg{width:22px;height:22px}

/* Eyebrow and headings */
.eyebrow{display:flex;align-items:center;gap:9px;margin-bottom:16px;font:600 14px/1.2 var(--display);color:var(--teal);letter-spacing:.01em}
.eyebrow::before{content:"";flex:none;width:18px;height:2px;background:var(--sun);border-radius:2px}
.h-xl{font-size:clamp(40px,5.8vw,76px);letter-spacing:-.04em;line-height:1}
.h-lg{font-size:clamp(30px,3.8vw,50px);letter-spacing:-.035em}
.h-md{font-size:clamp(24px,2.4vw,32px);letter-spacing:-.025em}
.lead{font-size:clamp(17px,1.4vw,20px);color:var(--ink-2);line-height:1.6}
h2+.lead{margin-top:18px}

/* Hero */
.hero{position:relative;isolation:isolate;overflow:hidden;background:
  radial-gradient(900px 560px at 85% 0%,rgba(255,222,160,.45),transparent 70%),
  radial-gradient(900px 640px at -5% 10%,#e8f3f5,transparent 62%),
  linear-gradient(180deg,#fbfaf6 0%,#fff 100%)}
.hero canvas{position:absolute;inset:0;z-index:-1;display:block;width:100%;height:100%;pointer-events:none}
.hero-inner{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(32px,5vw,72px);align-items:center;padding-block:clamp(40px,5vw,72px)}
.hero h1{font-size:clamp(42px,5.4vw,76px);line-height:1;letter-spacing:-.045em}
.hero h1 span{display:block}
.hero h1 .b{color:var(--teal)}
html:lang(zh-Hans) .hero h1{font-size:clamp(34px,4.3vw,58px);line-height:1.18}
html:lang(ja) .hero h1{font-size:clamp(30px,3.3vw,46px);line-height:1.28}
html:lang(zh-Hans) :is(h1,h2,h3,h4),html:lang(ja) :is(h1,h2,h3,h4){letter-spacing:0}
html:lang(zh-Hans) .h-lg{font-size:clamp(28px,3.4vw,44px);line-height:1.22}
/* Short CJK headings break after punctuation, not in the middle of a phrase; the long-string escape hatch keeps narrow screens from overflowing. */
html:lang(zh-Hans) :is(h1,h2,h3){word-break:keep-all;overflow-wrap:anywhere}
html:lang(ja) :is(h1,h2,h3){word-break:auto-phrase;overflow-wrap:anywhere}
html:lang(ja) .h-lg{font-size:clamp(26px,3vw,40px);line-height:1.3}
.hero-text{margin-top:26px;max-width:560px;font-size:clamp(17px,1.5vw,20px);line-height:1.6;color:var(--ink-2)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px 22px;align-items:center;margin-top:34px}
.hero-photo{position:relative;margin:0}
.hero-photo img{width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;border-radius:var(--r-lg);box-shadow:0 30px 70px -30px rgba(14,34,56,.45),0 2px 6px rgba(14,34,56,.06)}
.hero-photo::after{content:"";position:absolute;inset:0;border-radius:var(--r-lg);box-shadow:inset 0 0 0 1px rgba(14,34,56,.06);pointer-events:none}
.hero-photo .badge{position:absolute;left:-14px;bottom:26px;display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:16px;background:#fff;box-shadow:var(--shadow);font:600 14.5px/1.3 var(--display)}
.hero-photo .badge i{width:10px;height:10px;border-radius:50%;background:var(--sun);box-shadow:0 0 0 4px rgba(242,173,54,.22)}

/* Benefits */
.benefits{border-block:1px solid var(--line);background:#fff}
.benefits .wrap{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0}
.benefits .wrap>div{display:flex;gap:16px;align-items:flex-start;padding:28px 24px;border-left:1px solid var(--line)}
.benefits .wrap>div:first-child{border-left:0;padding-left:0}
.benefits .ico{flex:none;width:46px;height:46px;border-radius:13px;background:var(--teal-wash);color:var(--teal);display:grid;place-items:center}
.benefits .ico svg{width:24px;height:24px}
.benefits b{display:block;font:600 18px/1.3 var(--display);letter-spacing:-.02em}
.benefits span.t{display:block;margin-top:2px;color:var(--muted);font-size:15.5px}

/* Sections */
.section{padding-block:clamp(52px,6.4vw,92px)}
.section.tint{background:var(--wash)}
.section.ivory{background:var(--ivory)}
.section:not(.tint):not(.ivory)+.section:not(.tint):not(.ivory){padding-top:0}
.sec-head{max-width:820px;margin-bottom:clamp(32px,4.5vw,52px)}

/* Services */
.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.card{display:grid;grid-template-rows:subgrid;grid-row:span 4;row-gap:0;padding:28px 26px;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;transition:box-shadow .2s,transform .2s,border-color .2s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:var(--line-2)}
.card .ico{width:54px;height:54px;border-radius:15px;background:var(--teal-wash);color:var(--teal);display:grid;place-items:center;margin-bottom:22px}
.card .ico svg{width:28px;height:28px}
.card h3{font-size:21px;letter-spacing:-.02em;margin-bottom:10px}
.card p{color:var(--ink-2);font-size:16px;line-height:1.58}
.card .link{margin-top:20px;justify-self:start;align-self:end}
.card.ai{background:linear-gradient(180deg,#fff,#f2f9f8);border-color:#c9e3e1}

/* Compare + calculator */
.compare{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,5vw,72px);align-items:start}
.checks{display:grid;gap:14px;margin:26px 0 0;padding:0;list-style:none}
.checks li{display:flex;gap:12px;align-items:flex-start;color:var(--ink-2);font-size:17px}
.checks svg{width:22px;height:22px;flex:none;color:var(--teal);margin-top:2px}
.calc{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:clamp(20px,3vw,32px)}
.calc-top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.calc-top .eyebrow{margin:0}
.badge-soft{font-size:13px;color:var(--muted);background:var(--wash);border:1px solid var(--line);padding:5px 11px;border-radius:999px}
.tabs{display:inline-flex;padding:4px;border-radius:12px;background:var(--wash);gap:4px;margin-bottom:20px}
.tabs button{height:38px;padding:0 18px;border:0;border-radius:9px;background:transparent;font-weight:600;font-size:15px;color:var(--muted);cursor:pointer}
.tabs button[aria-pressed=true]{background:#fff;color:var(--ink);box-shadow:var(--shadow-sm,0 1px 2px rgba(14,34,56,.08))}
.fields2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.cost-field{display:grid;gap:7px;font-weight:600;font-size:14.5px}
.cost-field small{color:var(--muted);font-weight:400;font-size:13px;line-height:1.4}
.num{display:flex;align-items:center;gap:8px;min-height:50px;padding:0 14px;border:1px solid var(--line-2);border-radius:12px;background:#fff}
.num:focus-within{border-color:var(--teal-2);box-shadow:0 0 0 4px rgba(10,148,148,.16)}
.num span{color:var(--muted);font-weight:500}
.num input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:17px;font-variant-numeric:tabular-nums}
.totals{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:22px 0 12px}
.totals div{padding:16px 18px;border-radius:14px;background:var(--wash);border:1px solid var(--line)}
.totals div.lead-total{background:var(--teal-wash);border-color:#c9e3e1}
.totals small{display:block;font:600 12.5px/1.3 var(--display);color:var(--muted);letter-spacing:.03em;text-transform:uppercase}
.totals strong{display:block;margin-top:6px;font:600 clamp(26px,2.8vw,34px)/1.1 var(--display);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
html:lang(zh-Hans) .totals small,html:lang(ja) .totals small{text-transform:none;letter-spacing:0}
.note{color:var(--muted);font-size:14.5px;line-height:1.55}
.input-error{margin-top:10px;padding:12px 14px;border-radius:12px;background:#fdecea;color:#7c1d14;border:1px solid #f4c7c1;font-size:15px}
.expand-btn{display:flex;align-items:center;justify-content:space-between;width:100%;margin-top:16px;padding:14px 16px;border-radius:12px;border:1px dashed var(--line-2);background:#fff;font-weight:600;font-size:15.5px;cursor:pointer}
.expand-btn:hover{border-color:var(--ink-2)}
.expand-btn svg{width:18px;height:18px;transition:transform .2s}
.expand-btn[aria-expanded=true] svg{transform:rotate(180deg)}
.extra{margin-top:18px;padding-top:6px}
.extra .explain{color:var(--ink-2);font-size:15px;margin-bottom:16px}
.extra-cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.extra h4{font:600 16px/1.3 var(--display);margin-bottom:12px}
.extra .cost-field{margin-bottom:14px}
.diff{margin:6px 0 12px;padding:14px 16px;border-radius:12px;background:var(--sun-wash);color:#5b3b05;font-size:15.5px}
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:14px}
table{width:100%;border-collapse:collapse;font-size:15.5px}
th,td{padding:14px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
thead th{background:var(--wash);font:600 13.5px/1.3 var(--display);color:var(--muted)}
tbody th{font-weight:600;white-space:nowrap}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}
.calc .btn{width:100%;margin-top:18px}
.coverage h4{margin:18px 0 12px}

/* Process */
.steps4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin:0;padding:0;list-style:none}
.steps4 li{display:grid;grid-template-rows:subgrid;grid-row:span 3;row-gap:0;padding:26px;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff}
.step-n{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--ink);color:#fff;font:600 16px/1 var(--display);margin-bottom:18px}
.steps4 h3{font-size:20px;margin-bottom:8px;letter-spacing:-.02em}
.steps4 p{color:var(--ink-2);font-size:16px}

/* AI band */
.band{background:var(--ink);color:#fff;border-radius:32px;padding:clamp(32px,5vw,60px);position:relative;overflow:hidden;isolation:isolate;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:32px;align-items:center}
.band::before{content:"";position:absolute;inset:auto -10% -60% 30%;height:420px;background:radial-gradient(closest-side,rgba(242,173,54,.28),transparent);z-index:-1}
.band::after{content:"";position:absolute;inset:-40% 40% auto -10%;height:420px;background:radial-gradient(closest-side,rgba(10,148,148,.38),transparent);z-index:-1}
.band .eyebrow{color:#9fe0df}
.band h2{font-size:clamp(28px,3.6vw,46px);letter-spacing:-.035em;max-width:640px}
.band p.t{margin-top:16px;color:#c5d3e0;font-size:18px;max-width:600px}
.band-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}
.band .link{display:flex;align-items:center;justify-content:center;min-height:52px;padding:0 20px;color:#fff;border:1px solid rgba(255,255,255,.34);border-radius:14px;text-align:center;font-weight:600}
.band .link:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.makers{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:12px 26px;margin:6px 0 0;padding:24px 0 0;border-top:1px solid rgba(255,255,255,.14);list-style:none}
.makers li{display:flex;align-items:center;gap:8px;font:500 14.5px/1 var(--display);color:#dbe7f3}
.makers img{width:20px;height:20px;object-fit:contain;filter:brightness(0) invert(1);opacity:.9}

/* Guides */
.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.guide-grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}
.gcard{display:flex;flex-direction:column;padding:28px;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;transition:box-shadow .2s,transform .2s}
.gcard:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.cat{font:600 13px/1.2 var(--display);color:var(--teal);letter-spacing:.02em;margin-bottom:14px}
.gcard h3{font-size:22px;letter-spacing:-.02em;margin-bottom:12px;text-wrap:balance}
.gcard h3:last-of-type{margin-bottom:26px}
.gcard h3 a:hover{color:var(--teal)}
.gcard p{color:var(--ink-2);font-size:16px;flex:1}
.gcard .link{margin-top:auto;align-self:flex-start}
.gcard p{margin-bottom:22px}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(28px,5vw,72px);align-items:start}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 4px;cursor:pointer;font:600 19px/1.35 var(--display);letter-spacing:-.02em}
.faq summary::-webkit-details-marker{display:none}
.faq summary .pm{flex:none;width:30px;height:30px;border-radius:50%;border:1px solid var(--line-2);display:grid;place-items:center;transition:transform .2s,background .2s}
.faq summary .pm svg{width:14px;height:14px}
.faq details[open] .pm{transform:rotate(45deg);background:var(--ink);color:#fff;border-color:var(--ink)}
.faq details p{padding:0 4px 24px;max-width:760px;color:var(--ink-2);font-size:16.5px}

/* Contact */
.contact{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,5vw,80px);align-items:start}
.contact .side p.t{margin-top:20px;font-size:18.5px;color:var(--ink-2);max-width:480px}
.contact .side .checks{margin-top:24px}
.contact .side .lines{margin-top:26px;display:grid;gap:8px}
.contact .small{margin-top:22px;font-size:14px;color:var(--muted);max-width:480px}
.form{display:grid;gap:16px;padding:clamp(22px,3vw,34px);border-radius:var(--r-lg);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
.form-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.form-head h3{font-size:22px}
.form-head span{font-size:13px;color:var(--muted);background:var(--wash);border:1px solid var(--line);padding:5px 11px;border-radius:999px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:grid;gap:7px;font-weight:600;font-size:14.5px}
.field.full{grid-column:1/-1}
.field input,.field select,.field textarea{width:100%;min-height:48px;padding:11px 14px;border:1px solid var(--line-2);border-radius:12px;background:#fff;font-size:16px;font-weight:400}
.field textarea{min-height:130px;resize:vertical;line-height:1.5}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--teal-2);box-shadow:0 0 0 4px rgba(10,148,148,.16)}
.field [aria-invalid=true]{border-color:#c0392b}
.consent{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);line-height:1.5}
.consent input{width:20px;height:20px;margin-top:1px;accent-color:var(--teal);flex:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-error{padding:14px 16px;border-radius:12px;font-size:15.5px;background:#fdecea;color:#7c1d14;border:1px solid #f4c7c1}
.form-ok{padding:34px;border-radius:var(--r-lg);background:linear-gradient(180deg,#fff,#f2f9f8);border:1px solid #c9e3e1}
.form-ok svg{width:46px;height:46px;color:var(--teal);margin-bottom:14px}
.form-ok h3{font-size:28px;margin-bottom:10px}
.form-ok code{display:inline-block;margin:14px 0;padding:8px 12px;border-radius:10px;background:var(--wash);border:1px solid var(--line);font:500 15px var(--mono);word-break:break-all}

/* Interior pages */
.page-head{padding-block:clamp(48px,6vw,88px) clamp(20px,3vw,36px);background:linear-gradient(180deg,#f1f7f8,#fff)}
.page-head .crumb{display:inline-block;margin-bottom:18px;color:var(--teal);font-weight:600;font-size:15px}
.page-head .crumb:hover{text-decoration:underline;text-underline-offset:4px}
.page-head h1{font-size:clamp(38px,5.4vw,68px);letter-spacing:-.04em;line-height:1.02;max-width:980px}
html:lang(zh-Hans) .page-head h1,html:lang(ja) .page-head h1{letter-spacing:0;line-height:1.22;font-size:clamp(30px,4.2vw,52px)}
.page-head .lead{margin-top:20px;max-width:720px}
.page-head .acts{display:flex;flex-wrap:wrap;gap:14px 22px;align-items:center;margin-top:26px}
.split{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(28px,5vw,72px);align-items:start}
.split .body p+p{margin-top:16px}
.split .body p{color:var(--ink-2);font-size:18px}
.big-checks{display:grid;gap:16px;margin:0;padding:0;list-style:none}
.big-checks li{display:flex;gap:14px;align-items:flex-start;padding:18px 20px;border:1px solid var(--line);border-radius:16px;background:#fff;font-size:17.5px}
.big-checks svg{width:24px;height:24px;flex:none;color:var(--teal);margin-top:1px}
.feat{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.feat article{padding:28px;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff}
.feat .n{display:inline-block;margin-bottom:14px;font:600 14px/1 var(--display);color:var(--sun);letter-spacing:.04em;filter:saturate(1.2) brightness(.82)}
.feat h3{font-size:21px;margin-bottom:10px}
.feat p{color:var(--ink-2);font-size:16.5px}
.scope{background:var(--ivory)}
.scope .note-card{margin-top:22px;padding:22px 24px;border-radius:16px;background:#fff;border:1px solid var(--line)}
.scope .note-card h3{font-size:19px;margin-bottom:8px}
.scope .note-card p{color:var(--ink-2);font-size:16px}
.steps3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:0;padding:0;list-style:none}
.steps3 li{padding:26px;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff}
.strip{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding:26px 30px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--wash)}
.strip h3{font-size:22px}
.strip p.t{color:var(--ink-2);margin-top:6px}
.cta{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;padding:clamp(28px,4vw,52px);border-radius:32px;background:var(--teal-wash);border:1px solid #c9e3e1}
.cta h2{font-size:clamp(28px,3.4vw,44px);letter-spacing:-.035em}
.cta p.t{margin-top:12px;color:var(--ink-2);font-size:18px;max-width:620px}
.journey{display:grid;gap:18px}
.journey article{display:grid;grid-template-columns:auto minmax(0,1fr);gap:24px;padding:28px;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff}
.journey .step-n{width:46px;height:46px;font-size:19px;margin:0}
.journey h2{font-size:26px;margin-bottom:10px}
.journey p{color:var(--ink-2)}
.journey p.jn{margin-top:12px;padding:12px 16px;border-radius:12px;background:var(--wash);font-size:15.5px;color:var(--muted)}
.about-photo{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(28px,5vw,72px);align-items:center}
.about-photo img{width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--shadow)}
.about-photo p{color:var(--ink-2);font-size:18px;margin-top:16px}
.about-photo small{display:block;margin-top:16px;color:var(--muted);font-size:13.5px}
.compare-table table th:first-child{width:22%}

/* Guides article */
.article{display:grid;grid-template-columns:260px minmax(0,1fr);gap:clamp(28px,5vw,72px);align-items:start}
.toc{position:sticky;top:calc(var(--header) + 24px);padding:20px;border:1px solid var(--line);border-radius:18px;background:#fff}
.toc nav{display:grid;gap:4px;margin-top:6px}
.toc a{padding:8px 10px;border-radius:9px;font-size:15px;color:var(--ink-2)}
.toc a:hover{background:var(--wash);color:var(--ink)}
.toc .link-btn{margin-top:14px;font-size:15px}
.prose section{padding-bottom:34px}
.prose .n{font:600 14px/1 var(--display);color:var(--teal);letter-spacing:.04em}
.prose h2{font-size:clamp(24px,2.6vw,32px);margin:10px 0 14px}
.prose p{color:var(--ink-2);font-size:18px;line-height:1.7}
.prose p+p{margin-top:14px}
.prose .note-card{padding:26px 28px;border-radius:18px;background:var(--ivory);border:1px solid var(--line)}
.prose .foot{margin-top:6px;color:var(--muted);font-size:14.5px}
.legal h2{font-size:24px;margin:34px 0 12px}
.legal h2:first-child{margin-top:0}
.legal p{color:var(--ink-2);margin-bottom:12px;max-width:820px}
.legal p a{color:var(--teal);text-decoration:underline;text-underline-offset:3px}
.legal .tr-note{padding:14px 18px;border-radius:12px;background:var(--sun-wash);color:#5b3b05;font-size:15.5px;margin-bottom:24px;max-width:820px}

/* Footer */
.site-footer{background:var(--ivory);border-top:1px solid var(--line);padding-block:60px 32px}
.foot{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:34px 40px}
.foot p{margin-top:14px;color:var(--muted);font-size:15.5px}
.foot h4{font:600 14px/1 var(--display);color:var(--muted);letter-spacing:.02em;margin-bottom:16px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.foot a{font-size:15.5px;color:var(--ink-2)}
.foot a:hover{color:var(--teal)}
.foot address{font-style:normal;color:var(--muted);font-size:15px;line-height:1.7}
.legal-line{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;margin-top:44px;padding-top:22px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.legal-line nav{display:flex;gap:20px}
.nf{min-height:56vh;display:grid;place-items:center;padding:80px var(--pad)}

/* Responsive */
@media (max-width:1040px){
  .cards,.steps4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot{grid-template-columns:repeat(2,minmax(0,1fr))}
  .band{grid-template-columns:1fr}
  .article{grid-template-columns:1fr}.toc{position:static}
}
@media (max-width:880px){
  :root{--header:64px}
  .nav{display:none}.menu-btn{display:inline-flex}
  .bar{gap:12px}.bar-end{gap:8px}
  .nav.open{display:flex;position:absolute;left:0;right:0;top:var(--header);flex-direction:column;align-items:stretch;gap:2px;padding:12px var(--pad) 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav.open a{padding:14px 12px;font-size:17px}
  .hero-inner,.compare,.faq-wrap,.contact,.split,.about-photo,.cta{grid-template-columns:1fr}
  .hero-photo{max-width:560px}
  .hero-photo .badge{left:12px}
  .benefits .wrap{grid-template-columns:1fr}
  .benefits .wrap>div{border-left:0;border-top:1px solid var(--line);padding:22px 0}
  .benefits .wrap>div:first-child{border-top:0}
  .guide-grid{grid-template-columns:1fr}.guide-grid.four{grid-template-columns:1fr}
  .feat,.steps3,.extra-cols,.grid2,.fields2{grid-template-columns:1fr}
  .journey article{grid-template-columns:1fr;gap:14px}
  .cta .btn{width:100%}
}
@media (max-width:620px){
  body{font-size:16.5px}
  .cards,.steps4,.totals{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr}
  .hero-cta .btn{flex:1 1 100%}
  .brand .tag{display:none}
  .bar-end .btn-sm{display:none}
  .hero-photo img{aspect-ratio:4/3.4}
  .band{border-radius:24px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}
@media print{
  .site-header,.site-footer,.toc,.cta,.hero canvas{display:none!important}
  body{font-size:12pt}
  .article{display:block}
}