/* Meli Business Solutions — editorial bilingual design
   Paper + ink + seal red. Display: Fraunces / Noto Serif SC. Text: Manrope / Noto Sans SC. */

:root {
  --paper: #f3eee4;
  --paper-2: #e9e2d3;
  --paper-3: #fbf8f2;
  --ink: #15171a;
  --ink-2: #26292e;
  --ink-3: #3d4147;
  --red: #e3231f;
  --red-deep: #b4151a;
  --mute: #6f6b62;
  --line: rgba(21, 23, 26, .16);
  --line-strong: rgba(21, 23, 26, .5);
  --on-ink: #f3eee4;
  --on-ink-mute: #a9a59b;
  --serif: "Fraunces", "Noto Serif SC", Georgia, serif;
  --sans: "Manrope", "Noto Sans SC", system-ui, sans-serif;
  --max: 1240px;
  --gutter: clamp(18px, 4vw, 48px);
  --ease: cubic-bezier(.2, .7, .2, 1);
}
html[lang="zh"] {
  --serif: "Noto Serif SC", "Fraunces", "Songti SC", serif;
  --sans: "Noto Sans SC", "Manrope", "PingFang SC", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--sans); font-size: 17px; line-height: 1.65; color: var(--ink); background: var(--paper);
  -webkit-font-smoothing: antialiased; overflow-x: hidden; position: relative;
}
/* paper grain */
body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: .5; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .07 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
body > * { position: relative; z-index: 1; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { margin: 0 0 .4em; font-family: var(--serif); font-weight: 400; line-height: 1.02; letter-spacing: -.02em; color: var(--ink); font-variation-settings: "opsz" 144, "SOFT" 30; }
h1 { font-size: clamp(2.8rem, 7.2vw, 6.4rem); }
h2 { font-size: clamp(2.1rem, 4.4vw, 3.9rem); }
h3 { font-size: 1.45rem; line-height: 1.15; }
h1 em, h2 em, .display em { font-style: italic; color: var(--red); font-weight: 300; }
html[lang="zh"] h1, html[lang="zh"] h2, html[lang="zh"] h3 { font-weight: 700; letter-spacing: 0; line-height: 1.15; }
html[lang="zh"] h1 { font-size: clamp(2.4rem, 6vw, 5.2rem); }
html[lang="zh"] h2 { font-size: clamp(1.9rem, 3.6vw, 3.1rem); }
html[lang="zh"] .page-hero h1 { max-width: 13em; }
/* Hungarian: long compound words need a little more room */
html[lang="hu"] h1, html[lang="hu"] h2, html[lang="hu"] h3 { overflow-wrap: break-word; }
html[lang="hu"] h1 { font-size: clamp(2.5rem, 6vw, 5.4rem); }
html[lang="hu"] .cta h2 { font-size: clamp(2.6rem, 6.2vw, 5.6rem); }
html[lang="zh"] h1 em, html[lang="zh"] h2 em { font-style: normal; font-weight: 400; }
.lead { font-size: 1.2rem; line-height: 1.55; color: var(--ink-3); max-width: 58ch; }
.wrap { width: min(var(--max), 100% - 2 * var(--gutter)); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; z-index: 100; }
.skip:focus { left: 8px; }

/* index label: § 01 — What we do */
.idx { display: flex; align-items: center; gap: 14px; font-size: .78rem; letter-spacing: .18em; text-transform: uppercase; font-weight: 700; color: var(--ink); margin-bottom: 22px; }
.idx b { font-family: var(--serif); font-weight: 400; font-style: italic; font-size: 1.15rem; letter-spacing: 0; text-transform: none; color: var(--red); }
.idx::after { content: ""; flex: 0 0 48px; height: 1px; background: var(--line-strong); }
html[lang="zh"] .idx { letter-spacing: .3em; }
.zh-sub, .en-sub { display: block; font-family: var(--sans); font-size: .95rem; font-weight: 500; color: var(--mute); letter-spacing: .04em; margin-top: 6px; }
.en-sub { font-family: var(--serif); font-style: italic; font-weight: 300; letter-spacing: 0; font-size: 1.05rem; }

/* Seal */
.seal {
  display: inline-grid; place-items: center; width: 54px; height: 54px; border: 2px solid var(--red); color: var(--red);
  font-family: var(--serif); font-weight: 700; font-size: 1.1rem; line-height: 1; letter-spacing: .05em; border-radius: 6px;
  transform: rotate(-6deg); background: rgba(227,35,31,.06); flex: none;
}
.seal.lg { width: 92px; height: 92px; font-size: 1.9rem; border-width: 3px; }
.seal.v { writing-mode: vertical-rl; font-size: 1.45rem; letter-spacing: .12em; line-height: 1; }
.seal.lg.latin { font-size: 1.15rem; line-height: 1.05; }
.seal.latin { font-size: .72rem; font-style: italic; letter-spacing: 0; text-align: center; padding: 4px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 15px 26px; border-radius: 999px; font-weight: 700; font-size: .98rem; border: 1.5px solid var(--ink); background: var(--ink); color: var(--paper); cursor: pointer; transition: transform .25s var(--ease), background .25s, color .25s, border-color .25s; line-height: 1.1; white-space: nowrap; }
.btn:hover { background: var(--red); border-color: var(--red); color: #fff; transform: translateY(-2px); }
.btn-primary { background: var(--red); border-color: var(--red); color: #fff; }
.btn-primary:hover { background: var(--ink); border-color: var(--ink); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-paper { background: var(--paper); border-color: var(--paper); color: var(--ink); }
.btn-paper:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn svg { width: 18px; height: 18px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.link-arrow { font-weight: 700; display: inline-flex; align-items: center; gap: 8px; border-bottom: 1.5px solid currentColor; padding-bottom: 2px; }
.link-arrow::after { content: "→"; transition: transform .25s var(--ease); }
.link-arrow:hover { color: var(--red); } .link-arrow:hover::after { transform: translateX(5px); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--paper) 86%, transparent); backdrop-filter: blur(14px) saturate(140%); border-bottom: 1px solid transparent; transition: border-color .3s; }
.site-header.scrolled { border-bottom-color: var(--line); }
.header-inner { display: flex; align-items: center; gap: 24px; min-height: 82px; }
.brand img { height: 44px; width: auto; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 2px; }
.nav > a { padding: 10px 14px; font-weight: 600; font-size: .95rem; color: var(--ink-3); border-radius: 999px; transition: color .2s, background .2s; white-space: nowrap; }
.nav > a:hover { color: var(--ink); background: rgba(21,23,26,.06); }
.nav > a[aria-current="page"] { color: var(--red); }
.nav > a.btn { margin-left: 10px; padding: 11px 20px; color: var(--paper); }
.nav > a.btn:hover { background: var(--red); color: #fff; }
.lang-switch { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 999px; padding: 3px; margin-left: 10px; }
.lang-switch a { padding: 6px 12px; border-radius: 999px; font-size: .82rem; font-weight: 700; color: var(--mute); white-space: nowrap; }
.lang-switch a.active { background: var(--ink); color: var(--paper); }
.nav-toggle { display: none; margin-left: auto; width: 46px; height: 46px; border: 1.5px solid var(--ink); background: transparent; border-radius: 50%; cursor: pointer; padding: 0; align-items: center; justify-content: center; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--ink); position: relative; transition: background .2s; }
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; width: 20px; height: 2px; background: var(--ink); transition: transform .25s, top .25s; }
.nav-toggle span::before { top: -6px; } .nav-toggle span::after { top: 6px; }
.nav-open .nav-toggle span { background: transparent; }
.nav-open .nav-toggle span::before { top: 0; transform: rotate(45deg); }
.nav-open .nav-toggle span::after { top: 0; transform: rotate(-45deg); }

/* Sections */
section { padding: clamp(64px, 9vw, 128px) 0; }
.on-ink { background: var(--ink); color: var(--on-ink); }
.on-ink h1, .on-ink h2, .on-ink h3 { color: var(--on-ink); }
.on-ink .lead { color: var(--on-ink-mute); }
.on-ink .idx { color: var(--on-ink); } .on-ink .idx::after { background: rgba(243,238,228,.4); }
.on-ink .zh-sub, .on-ink .en-sub { color: var(--on-ink-mute); }
.on-paper-2 { background: var(--paper-2); }
.sec-head { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 32px 64px; align-items: end; margin-bottom: clamp(36px, 5vw, 64px); }
.sec-head .lead { margin: 0 0 6px; }
.sec-head.single { grid-template-columns: minmax(0, 760px); }

/* ---------- HERO ---------- */
.hero { padding: clamp(40px, 6vw, 80px) 0 0; overflow-x: clip; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.hero-kicker { display: flex; align-items: center; gap: 16px; font-size: .85rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 30px; }
.hero h1 { margin-bottom: 26px; }
.hero h1 .u { text-decoration: underline; text-decoration-color: var(--red); text-decoration-thickness: .06em; text-underline-offset: .12em; }
.hero .lead { font-size: 1.25rem; }
.hero-art { position: relative; min-height: 560px; }
.watermark { position: absolute; right: -4%; top: -8%; font-family: var(--serif); font-size: clamp(260px, 30vw, 460px); line-height: .9; font-weight: 700; color: transparent; -webkit-text-stroke: 1.5px rgba(21,23,26,.25); user-select: none; pointer-events: none; z-index: 0; font-style: normal; }
.watermark.latin { font-weight: 300; font-style: italic; font-size: clamp(170px, 20vw, 300px); letter-spacing: -.04em; }
.photo { position: absolute; margin: 0; }
.photo img { width: 100%; height: 100%; object-fit: cover; }
.photo-a { right: 6%; top: 4%; width: 68%; aspect-ratio: 4 / 5; z-index: 2; box-shadow: 16px 16px 0 var(--red); }
.photo-b { left: 0; bottom: 0; width: 52%; aspect-ratio: 16 / 10; z-index: 3; transform: rotate(-3deg); border: 10px solid var(--paper-3); box-shadow: 0 30px 60px -30px rgba(0,0,0,.45); }
.photo figcaption { position: absolute; left: -10px; bottom: -14px; background: var(--ink); color: var(--paper); font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 8px 12px; transform: rotate(-3deg); }
.vertical { position: absolute; right: -2px; bottom: 6%; writing-mode: vertical-rl; font-family: var(--serif); font-size: .95rem; letter-spacing: .3em; color: var(--ink-3); z-index: 4; }
html[lang="zh"] .vertical { text-orientation: mixed; font-style: italic; font-weight: 300; letter-spacing: .05em; font-size: 1.05rem; }
.hero-seal { position: absolute; left: 44%; top: 46%; z-index: 4; }

/* Ticker */
.ticker { border-top: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); overflow: hidden; margin-top: clamp(48px, 7vw, 96px); background: var(--paper); }
.ticker-track { display: flex; width: max-content; animation: tick 48s linear infinite; }
.ticker-track:hover { animation-play-state: paused; }
.ticker span { display: inline-flex; align-items: center; gap: 22px; padding: 16px 22px 16px 0; font-family: var(--serif); font-size: 1.35rem; font-style: italic; font-weight: 300; white-space: nowrap; }
.ticker span i { font-style: normal; font-family: var(--sans); font-size: .95rem; font-weight: 600; color: var(--mute); }
.ticker span::after { content: "✦"; color: var(--red); font-style: normal; font-size: .9rem; }
@keyframes tick { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .ticker-track { animation: none; } }
.ticker.dark { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.ticker.dark span i { color: var(--on-ink-mute); }

/* ---------- Services index ---------- */
.index { list-style: none; margin: 0; padding: 0; border-top: 1.5px solid var(--ink); }
.index li { border-bottom: 1px solid var(--line-strong); }
.index a { display: grid; grid-template-columns: 70px minmax(0, 1.1fr) minmax(0, 1.4fr) 56px; gap: 28px; align-items: center; padding: 30px 12px; transition: background .3s var(--ease), color .3s; position: relative; }
.index .num { font-family: var(--serif); font-style: italic; font-weight: 300; font-size: 1.9rem; color: var(--red); line-height: 1; }
.index .t strong { display: block; font-family: var(--serif); font-weight: 500; font-size: 1.55rem; line-height: 1.1; letter-spacing: -.01em; }
html[lang="zh"] .index .t strong { font-weight: 700; }
.index .d { color: var(--mute); font-size: .98rem; margin: 0; }
.index .go { width: 46px; height: 46px; border: 1.5px solid var(--ink); border-radius: 50%; display: grid; place-items: center; justify-self: end; transition: transform .3s var(--ease), background .3s; }
.index .go svg { width: 18px; height: 18px; }
.index a:hover { background: var(--ink); color: var(--paper); }
.index a:hover .t strong, .index a:hover .d, .index a:hover .zh-sub, .index a:hover .en-sub { color: var(--paper); }
.index a:hover .go { background: var(--red); border-color: var(--red); color: #fff; transform: rotate(-45deg); }
.index a:hover .num { color: var(--red); }

/* Service detail (services page) */
.svc { display: grid; grid-template-columns: 120px minmax(0, 1fr) minmax(0, 1.1fr); gap: 32px; padding: 48px 0; border-top: 1px solid var(--line-strong); scroll-margin-top: 110px; }
.svc:last-child { border-bottom: 1.5px solid var(--ink); }
.svc .num { font-family: var(--serif); font-style: italic; font-weight: 300; font-size: 3.4rem; color: var(--red); line-height: .9; }
.svc h3 { font-size: 1.9rem; margin: 0; }
.svc p { color: var(--ink-3); margin: 0 0 18px; }
.svc .tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.svc .tags li { font-size: .82rem; font-weight: 700; letter-spacing: .04em; border: 1px solid var(--line-strong); border-radius: 999px; padding: 6px 12px; }
.svc .icon { width: 44px; height: 44px; margin-top: 18px; color: var(--ink); }
.svc .icon svg { width: 100%; height: 100%; }

/* ---------- Two sides ---------- */
.sides { display: grid; grid-template-columns: 1fr 1fr; position: relative; border-top: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); }
.side { padding: clamp(40px, 6vw, 88px) clamp(24px, 5vw, 72px); }
.side.hu { background: var(--paper-3); }
.side.cn { background: var(--ink); color: var(--on-ink); }
.side.cn h3, .side.cn .big { color: var(--on-ink); }
.side .big { font-family: var(--serif); font-size: clamp(2rem, 3.6vw, 3.2rem); line-height: 1; margin: 10px 0 10px; }
.side .flag { font-size: .8rem; letter-spacing: .18em; text-transform: uppercase; font-weight: 700; color: var(--red); }
.side ul { list-style: none; padding: 0; margin: 28px 0 0; }
.side li { display: grid; grid-template-columns: 34px 1fr; gap: 14px; padding: 14px 0; border-top: 1px solid var(--line); align-items: baseline; }
.side.cn li { border-top-color: rgba(243,238,228,.18); }
.side li i { font-family: var(--serif); font-style: italic; color: var(--red); font-size: 1.05rem; }
.side li span { font-weight: 600; }
.side li small { display: block; color: var(--mute); font-weight: 400; font-size: .92rem; }
.side.cn li small { color: var(--on-ink-mute); }
.sides .bridge { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); z-index: 2; }
.sides .bridge .seal { background: var(--paper); transform: rotate(-6deg); box-shadow: 0 0 0 10px var(--paper); }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1.5px solid var(--ink); }
.step { padding: 36px 28px 36px 0; border-right: 1px solid var(--line-strong); padding-left: 28px; }
.step:first-child { padding-left: 0; } .step:last-child { border-right: 0; }
.step .num { font-family: var(--serif); font-style: italic; font-weight: 300; font-size: 4rem; color: var(--red); line-height: .9; margin-bottom: 18px; }
.step h3 { font-size: 1.5rem; }
.step p { color: var(--ink-3); margin: 0; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1.5px solid currentColor; }
.stat { padding: 30px 24px 30px 0; border-right: 1px solid rgba(243,238,228,.25); padding-left: 24px; }
.stat:first-child { padding-left: 0; } .stat:last-child { border-right: 0; }
.stat strong { display: block; font-family: var(--serif); font-weight: 300; font-size: clamp(3.6rem, 6.5vw, 6.4rem); line-height: .9; letter-spacing: -.04em; color: var(--on-ink); margin-bottom: 12px; font-variation-settings: "opsz" 144; }
.stat strong em { font-style: italic; color: var(--red); }
.stat span { color: var(--on-ink-mute); font-size: .98rem; }

/* ---------- Split (payment teaser / about) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.frame { position: relative; }
.frame img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; box-shadow: -16px 16px 0 var(--red); }
.frame.ink img { box-shadow: 16px 16px 0 var(--paper); }
.frame .stamp { position: absolute; right: -14px; top: -22px; }
.checks { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 10px; }
.checks li { display: flex; gap: 14px; align-items: flex-start; font-weight: 600; }
.checks li::before { content: "✦"; color: var(--red); flex: none; margin-top: 2px; }
.pay-badges { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.pay-badge { display: inline-flex; align-items: center; padding: 10px 16px; border-radius: 8px; font-weight: 800; color: #fff; letter-spacing: .02em; }
.pay-badge.alipay { background: #1677ff; } .pay-badge.wechat { background: #07c160; }

/* ---------- Founder ---------- */
.founder { display: grid; grid-template-columns: minmax(0, 420px) minmax(0, 1fr); gap: clamp(32px, 6vw, 96px); align-items: center; }
.founder .portrait { position: relative; }
.founder .portrait img { aspect-ratio: 4 / 5; object-fit: cover; object-position: top; width: 100%; }
.founder .portrait .seal { position: absolute; right: -18px; bottom: 36px; }
.founder .portrait::after { content: ""; position: absolute; inset: 18px -18px -18px 18px; border: 1.5px solid var(--ink); z-index: -1; }
blockquote { margin: 0; font-family: var(--serif); font-size: clamp(1.6rem, 2.6vw, 2.3rem); line-height: 1.25; letter-spacing: -.01em; font-weight: 300; }
blockquote::before { content: "“"; display: block; font-size: 5rem; line-height: .4; color: var(--red); margin-bottom: 22px; font-weight: 700; }
html[lang="zh"] blockquote { font-weight: 400; }
blockquote footer { margin-top: 26px; font-family: var(--sans); font-size: .95rem; font-weight: 700; letter-spacing: .04em; }
blockquote footer::before { content: "— "; color: var(--red); }

/* ---------- Partners ---------- */
.partners { padding: 34px 0; border-top: 1.5px solid var(--ink); }
.partners .wrap { display: grid; grid-template-columns: 220px 1fr; gap: 32px; align-items: center; }
.partners .label { font-size: .78rem; letter-spacing: .18em; text-transform: uppercase; font-weight: 700; color: var(--on-ink-mute); margin: 0; }
.logo-row { display: flex; flex-wrap: wrap; align-items: center; gap: 24px 48px; }
.logo-row img { height: 40px; width: auto; opacity: .92; }
.logo-row img.tall { height: 58px; }

/* ---------- CTA ---------- */
.cta { background: var(--red); color: #fff; padding: clamp(64px, 9vw, 128px) 0; position: relative; overflow: hidden; }
.cta h2 { color: #fff; font-size: clamp(2.8rem, 7vw, 6.2rem); margin-bottom: 20px; }
.cta h2 em { color: var(--ink); font-style: italic; }
html[lang="zh"] .cta h2 em { color: var(--ink); }
.cta .lead { color: rgba(255,255,255,.9); }
.cta .watermark { right: -2%; top: -30%; -webkit-text-stroke-color: rgba(255,255,255,.28); }
.cta-inner { display: grid; grid-template-columns: minmax(0, 1.4fr) auto; gap: 32px; align-items: end; position: relative; z-index: 1; }

/* ---------- Page hero ---------- */
.page-hero { padding: clamp(48px, 7vw, 96px) 0 clamp(28px, 4vw, 56px); position: relative; overflow: hidden; }
.page-hero .watermark { right: -2%; top: -20%; }
.page-hero h1 { max-width: 14ch; position: relative; }
.page-hero .lead { margin-top: 18px; }
.page-hero.on-ink .watermark { -webkit-text-stroke-color: rgba(243,238,228,.22); }
.page-hero.on-ink .idx b { color: var(--red); }
.page-hero .bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .22; z-index: 0; }
.page-hero .wrap { position: relative; z-index: 1; }

/* ---------- Grid helpers ---------- */
.grid { display: grid; gap: 0; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.sheet { padding: 32px 28px; border: 1px solid var(--line-strong); margin: -1px 0 0 -1px; background: var(--paper-3); transition: background .3s, color .3s; }
.sheet:hover { background: var(--ink); color: var(--paper); }
.sheet:hover h3, .sheet:hover p { color: var(--paper); }
.sheet .icon { width: 40px; height: 40px; color: var(--red); margin-bottom: 20px; }
.sheet .icon svg { width: 100%; height: 100%; }
.sheet h3 { font-size: 1.4rem; }
.sheet p { color: var(--ink-3); margin: 0; font-size: .98rem; }

.feature { display: grid; grid-template-columns: 44px 1fr; gap: 18px; padding: 26px 0; border-top: 1px solid var(--line-strong); }
.feature .icon { width: 36px; height: 36px; color: var(--red); } .feature .icon svg { width: 100%; height: 100%; }
.feature h3 { font-size: 1.25rem; margin: 2px 0 4px; }
.feature p { color: var(--ink-3); margin: 0; font-size: .96rem; }
.on-ink .feature { border-top-color: rgba(243,238,228,.2); } .on-ink .feature p { color: var(--on-ink-mute); }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 40px; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 0; }
.chips li { padding: 10px 18px; border: 1px solid var(--ink); border-radius: 999px; font-weight: 600; font-size: .95rem; font-family: var(--serif); font-style: italic; font-size: 1.05rem; transition: background .25s, color .25s; }
.chips li:hover { background: var(--ink); color: var(--paper); }
html[lang="zh"] .chips li { font-style: normal; font-family: var(--sans); font-size: .95rem; }
.chips.small li { padding: 6px 12px; font-size: .9rem; }

/* ---------- FAQ ---------- */
.tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.tab { padding: 10px 18px; border-radius: 999px; border: 1.5px solid var(--ink); background: transparent; font: inherit; font-weight: 700; font-size: .92rem; color: var(--ink); cursor: pointer; transition: background .25s, color .25s; }
.tab[aria-selected="true"] { background: var(--ink); color: var(--paper); }
.faq-panel[hidden] { display: none; }
details { border-top: 1px solid var(--line-strong); }
details:last-child { border-bottom: 1.5px solid var(--ink); }
details summary { list-style: none; cursor: pointer; padding: 22px 56px 22px 0; font-family: var(--serif); font-weight: 500; font-size: 1.25rem; line-height: 1.25; position: relative; }
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%); width: 36px; height: 36px; border-radius: 50%; border: 1.5px solid var(--ink); display: grid; place-items: center; font-family: var(--sans); font-weight: 500; transition: transform .3s var(--ease), background .3s, color .3s; }
details[open] summary::after { content: "–"; background: var(--red); border-color: var(--red); color: #fff; }
details .answer { padding: 0 0 26px; max-width: 70ch; color: var(--ink-3); }
details .answer p:last-child { margin-bottom: 0; }
details .answer ol { padding-left: 22px; }
.note { border-left: 3px solid var(--red); padding: 14px 20px; font-size: .95rem; color: var(--ink-3); background: var(--paper-3); }

/* ---------- Forms ---------- */
.form-wrap { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(32px, 6vw, 80px); align-items: start; }
form.sheet-form { padding: 36px; background: var(--paper-3); border: 1.5px solid var(--ink); box-shadow: 14px 14px 0 var(--red); }
form.sheet-form:hover { background: var(--paper-3); color: inherit; }
.field { display: grid; gap: 8px; margin-bottom: 20px; }
.field label { font-weight: 700; font-size: .9rem; letter-spacing: .02em; }
.field label .req { color: var(--red); }
.field input, .field textarea, .field select { font: inherit; padding: 13px 0; border: 0; border-bottom: 1.5px solid var(--line-strong); background: transparent; width: 100%; color: var(--ink); border-radius: 0; transition: border-color .2s; }
.field input:focus, .field textarea:focus { outline: none; border-bottom-color: var(--red); }
.field textarea { min-height: 130px; resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.consent { display: flex; gap: 12px; align-items: flex-start; font-size: .88rem; color: var(--mute); margin: 8px 0 26px; }
.consent input { margin-top: 5px; width: 18px; height: 18px; accent-color: var(--red); flex: none; }
.consent a { color: var(--red); font-weight: 600; text-decoration: underline; }
.hp { position: absolute; left: -9999px; }
.contact-side h3 { font-family: var(--sans); font-size: .78rem; text-transform: uppercase; letter-spacing: .18em; color: var(--mute); margin: 0 0 10px; font-weight: 700; }
.contact-block { padding: 24px 0; border-top: 1px solid var(--line-strong); }
.contact-block:first-child { border-top: none; padding-top: 0; }
.contact-block a.big { font-family: var(--serif); font-size: 1.5rem; font-weight: 400; color: var(--ink); }
.contact-block a.big:hover { color: var(--red); }
.qr { display: flex; gap: 18px; align-items: center; }
.qr img { width: 130px; border: 1.5px solid var(--ink); background: #fff; padding: 6px; }
.socials { display: flex; gap: 10px; }
.socials a { width: 44px; height: 44px; border-radius: 50%; border: 1.5px solid var(--ink); display: grid; place-items: center; color: var(--ink); transition: background .2s, color .2s; }
.socials a:hover { background: var(--ink); color: var(--paper); }
.socials svg { width: 18px; height: 18px; }

/* ---------- Prose ---------- */
.prose { max-width: 76ch; }
.prose h2 { font-size: 1.7rem; margin-top: 2.2em; }
.prose h3 { font-size: 1.2rem; margin-top: 1.8em; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin-bottom: .4em; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: var(--on-ink-mute); padding: 72px 0 32px; font-size: .95rem; overflow: hidden; position: relative; }
.footer-word { font-family: var(--serif); font-weight: 700; font-size: clamp(120px, 22vw, 340px); line-height: .8; color: transparent; -webkit-text-stroke: 1px rgba(243,238,228,.2); letter-spacing: -.04em; position: absolute; right: -2%; bottom: -8%; pointer-events: none; user-select: none; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; position: relative; }
.site-footer img { height: 44px; width: auto; margin-bottom: 18px; }
.site-footer h4 { color: var(--on-ink); font-family: var(--sans); font-size: .78rem; letter-spacing: .18em; text-transform: uppercase; margin-bottom: 14px; font-weight: 700; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.site-footer a:hover { color: var(--on-ink); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 56px; padding-top: 24px; border-top: 1px solid rgba(243,238,228,.15); font-size: .85rem; position: relative; }
.site-footer .socials a { border-color: rgba(243,238,228,.35); color: var(--on-ink); }
.site-footer .socials a:hover { background: var(--on-ink); color: var(--ink); }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .nav-toggle { display: inline-flex; }
  .nav { position: absolute; left: 0; right: 0; top: 100%; background: var(--paper); border-bottom: 1.5px solid var(--ink); flex-direction: column; align-items: stretch; padding: 12px var(--gutter) 22px; gap: 2px; display: none; }
  .nav-open .nav { display: flex; }
  .nav > a { padding: 14px 8px; font-family: var(--serif); font-size: 1.6rem; font-weight: 400; border-radius: 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin: 14px 0 0; justify-content: center; }
  .lang-switch { margin: 14px 0 0; align-self: flex-start; }
}
@media (max-width: 1000px) {
  .hero-grid, .split, .form-wrap, .founder, .sec-head { grid-template-columns: 1fr; }
  .hero-art { min-height: 0; margin-top: 10px; }
  .photo-a { position: relative; right: auto; top: auto; width: 86%; margin-left: auto; aspect-ratio: 4 / 4; }
  .photo-b { position: absolute; width: 46%; left: 0; bottom: -24px; }
  .hero-seal { display: none; }
  .watermark { font-size: 240px; top: -60px; right: -30px; }
  .index a { grid-template-columns: 54px minmax(0, 1fr) 46px; }
  .index .d { grid-column: 2; }
  .svc { grid-template-columns: 80px minmax(0, 1fr); }
  .svc > :nth-child(3) { grid-column: 2; }
  .sides { grid-template-columns: 1fr; }
  .sides .bridge { top: 50%; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(2) { border-right: 0; } .stat:nth-child(3) { padding-left: 0; border-top: 1px solid rgba(243,238,228,.25); } .stat:nth-child(4) { border-top: 1px solid rgba(243,238,228,.25); }
  .features { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .partners .wrap { grid-template-columns: 1fr; gap: 18px; }
  .cta-inner { grid-template-columns: 1fr; }
  .founder { max-width: 720px; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .steps, .grid-3, .features, .footer-grid, .field-row, .stats { grid-template-columns: 1fr; }
  .step { border-right: 0; border-bottom: 1px solid var(--line-strong); padding-left: 0; }
  .stat { padding-left: 0; border-right: 0; border-top: 1px solid rgba(243,238,228,.25); } .stat:first-child { border-top: 0; }
  .index a { grid-template-columns: 44px minmax(0, 1fr) 40px; gap: 16px; padding: 22px 6px; }
  .index .num { font-size: 1.4rem; } .index .t strong { font-size: 1.25rem; } .index .go { width: 38px; height: 38px; }
  .svc { grid-template-columns: 1fr; gap: 14px; padding: 36px 0; } .svc > :nth-child(3) { grid-column: 1; }
  .photo-a { box-shadow: 10px 10px 0 var(--red); }
  .logo-row { gap: 18px 28px; } .logo-row img { height: 32px; } .logo-row img.tall { height: 46px; }
  form.sheet-form { padding: 26px 20px; box-shadow: 8px 8px 0 var(--red); }
  .brand img { height: 38px; }
  .ticker span { font-size: 1.1rem; }
  .vertical { display: none; }
  .founder .portrait .seal { right: 6px; }
  .sides .bridge { display: none; }
}