@font-face { font-family: Tajawal; font-weight: 400; font-display: swap; src: url(/static/fonts/tajawal-arabic-400.woff2) format("woff2"); unicode-range: U+0600-06FF, U+0750-077F, U+08A0-08FF, U+FB50-FDFF, U+FE70-FEFF; }
@font-face { font-family: Tajawal; font-weight: 700; font-display: swap; src: url(/static/fonts/tajawal-arabic-700.woff2) format("woff2"); unicode-range: U+0600-06FF, U+0750-077F, U+08A0-08FF, U+FB50-FDFF, U+FE70-FEFF; }
@font-face { font-family: Tajawal; font-weight: 800; font-display: swap; src: url(/static/fonts/tajawal-arabic-800.woff2) format("woff2"); unicode-range: U+0600-06FF, U+0750-077F, U+08A0-08FF, U+FB50-FDFF, U+FE70-FEFF; }
@font-face { font-family: Tajawal; font-weight: 400; font-display: swap; src: url(/static/fonts/tajawal-latin-400.woff2) format("woff2"); unicode-range: U+0000-00FF, U+2000-206F; }
@font-face { font-family: Tajawal; font-weight: 700; font-display: swap; src: url(/static/fonts/tajawal-latin-700.woff2) format("woff2"); unicode-range: U+0000-00FF, U+2000-206F; }
@font-face { font-family: Tajawal; font-weight: 800; font-display: swap; src: url(/static/fonts/tajawal-latin-800.woff2) format("woff2"); unicode-range: U+0000-00FF, U+2000-206F; }

:root {
  --ink: #15181C; --paper: #FAF9F6; --grey: #A9ADB3; --line: #D5D7DA;
  --ink-2: #23272D; --muted: #5d6268;
  --radius: 10px; --gutter: 16px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: Tajawal, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 18px; line-height: 1.65;
}
.lang-zh body, body.lang-zh { font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Tajawal, sans-serif; }
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5em; font-weight: 800; }
h1 { font-size: clamp(1.9rem, 6.5vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 4.5vw, 2.2rem); }
h3 { font-size: 1.25rem; font-weight: 700; }
p { margin: 0 0 1em; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 var(--gutter); }
.muted { color: var(--muted); }
.skip, .hp { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.skip:focus { width: auto; height: auto; clip: auto; clip-path: none; inset-inline-start: 8px; top: 8px; background: var(--paper); padding: 8px; z-index: 10; }
html, body { overflow-x: clip; }
bdi, .ltr { unicode-bidi: isolate; direction: ltr; }

/* Header */
.top { background: var(--ink); color: var(--paper); position: sticky; top: 0; z-index: 5; }
.top-in { display: flex; align-items: center; justify-content: space-between; min-height: 60px; gap: 12px; }
.brand { text-decoration: none; display: flex; flex-direction: column; line-height: 1.2; }
.brand strong { font-size: 1.1rem; }
.brand span { color: var(--grey); font-size: .85rem; }
.nav summary { list-style: none; cursor: pointer; width: 44px; height: 44px; display: grid; place-content: center; gap: 5px; }
.nav summary::-webkit-details-marker { display: none; }
.nav summary span { display: block; width: 24px; height: 2px; background: var(--paper); }
.nav nav { position: absolute; inset-inline: 0; top: 60px; background: var(--ink); padding: 8px var(--gutter) 20px; display: grid; gap: 4px; border-top: 1px solid var(--ink-2); }
.nav nav a { padding: 10px 0; text-decoration: none; }
.nav .langs { display: flex; gap: 16px; color: var(--grey); padding-top: 8px; }
@media (min-width: 860px) {
  .nav summary { display: none; }
  .nav nav { position: static; display: flex; align-items: center; gap: 22px; padding: 0; border: 0; background: none; }
  .nav[open] nav, .nav nav { display: flex; }
  .nav .langs { padding: 0; }
}
@media (min-width: 860px) { details.nav > nav { display: flex !important; } details.nav:not([open]) > nav { display: flex; } }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 22px;
  border-radius: var(--radius); background: var(--ink); color: var(--paper); text-decoration: none; font-weight: 700;
  border: 2px solid var(--ink); font: inherit; font-weight: 700; cursor: pointer; }
.btn-light { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn-ghost { background: transparent; color: inherit; border-color: currentColor; }
.btn-sm { min-height: 40px; padding: 0 16px; }
.top .btn { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* Sections */
.sec { padding: 56px 0; }
.sec-dark { background: var(--ink); color: var(--paper); }
.sec-dark .muted { color: var(--grey); }
.sec-grey { background: #EFEEEA; }
.kicker { color: var(--grey); font-size: 1rem; margin-bottom: .4em; }
.hero h1 { max-width: 18ch; }
.hero .lead { font-size: 1.2rem; max-width: 40rem; color: #E6E5E1; }
.lead { font-size: 1.15rem; }
.rule { border: 0; border-top: 1px solid var(--line); margin: 0; }
.sec-dark .rule { border-color: var(--ink-2); }

.grid { display: grid; gap: 16px; }
@media (min-width: 700px) { .g2 { grid-template-columns: 1fr 1fr; } .g3 { grid-template-columns: repeat(3, 1fr); } .g4 { grid-template-columns: repeat(4, 1fr); } }
.card { border-top: 2px solid var(--ink); padding-top: 14px; }
.sec-dark .card { border-color: var(--grey); }
.card .num { color: var(--grey); font-size: .9rem; }
.card p { color: var(--muted); }
.sec-dark .card p { color: #cfd1d4; }

/* Contact block */
.contact-box { background: var(--paper); color: var(--ink); border-radius: var(--radius); padding: 22px; display: grid; gap: 20px; }
@media (min-width: 700px) { .contact-box { grid-template-columns: 1fr auto auto; align-items: center; } }
.qr { text-align: center; font-size: .95rem; }
.qr img { width: 160px; height: 160px; margin: 0 auto 6px; background: #fff; padding: 6px; border: 1px solid var(--line); border-radius: 6px; }
.phone-big { font-size: clamp(1.5rem, 6vw, 2.2rem); font-weight: 800; }

/* Prices */
.svc { margin-bottom: 40px; }
.pkgs { display: grid; gap: 14px; }
@media (min-width: 760px) { .pkgs { grid-template-columns: repeat(3, 1fr); } }
.pkg { border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; display: flex; flex-direction: column; gap: 6px; background: #fff; }
.pkg.hl { border: 2px solid var(--ink); background: var(--ink); color: var(--paper); }
.pkg.hl .muted { color: var(--grey); }
.pkg .tag { align-self: flex-start; font-size: .8rem; background: var(--paper); color: var(--ink); border-radius: 4px; padding: 0 8px; }
.price { font-size: 1.8rem; font-weight: 800; }
.pkg ul { margin: 6px 0 12px; padding-inline-start: 1.1em; }
.pkg .btn { margin-top: auto; }
.pkg.hl .btn { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.rules li { margin-bottom: 6px; }

/* Portfolio */
.pf { display: grid; gap: 22px; }
@media (min-width: 700px) { .pf { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .pf { grid-template-columns: repeat(3, 1fr); } }
.pf-item { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; display: flex; flex-direction: column; }
.pf-item img { aspect-ratio: 16 / 10; object-fit: cover; object-position: top; width: 100%; background: var(--line); }
.pf-body { padding: 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.pf-type { font-size: .8rem; color: var(--muted); }
.pf-body .btn-row { margin-top: auto; }

/* Forms */
form.stack { display: grid; gap: 14px; max-width: 560px; }
label { display: grid; gap: 4px; font-weight: 700; font-size: 1rem; }
label.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; }
input, select, textarea { font: inherit; font-size: 1rem; min-height: 48px; padding: 10px 12px; border: 1px solid var(--grey);
  border-radius: 8px; background: #fff; color: var(--ink); width: 100%; }
input[type=checkbox] { width: 22px; height: 22px; min-height: 0; margin-top: 3px; flex: none; }
textarea { min-height: 110px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--ink); outline-offset: 1px; }
.err { color: #8a1c1c; font-weight: 700; }
.ok { background: #e9efe9; border-inline-start: 4px solid var(--ink); padding: 10px 14px; }
.notice { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); padding: 14px 0; }
.faq summary { font-weight: 700; cursor: pointer; }
.faq details p { margin: 10px 0 0; color: var(--muted); }

/* Tables (dashboard) */
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { text-align: start; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 700; color: var(--muted); }
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (min-width: 760px) { .stats { grid-template-columns: repeat(5, 1fr); } }
.stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.stat b { display: block; font-size: 1.5rem; }
.copyrow { display: flex; gap: 8px; align-items: stretch; margin-bottom: 8px; }
.copyrow input { direction: ltr; font-size: .85rem; }
.copyrow .btn { flex: none; }
.big-code { font-size: 3rem; font-weight: 800; letter-spacing: .05em; }
.thumbs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.thumbs img { border: 1px solid var(--line); border-radius: 6px; }
pre.msg { white-space: pre-wrap; overflow-wrap: anywhere; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 12px; font: inherit; font-size: .95rem; }

/* Footer */
.foot { background: var(--ink); color: var(--paper); padding: 36px 0 48px; }
.foot .muted { color: var(--grey); margin: 4px 0; }
.foot-in { display: grid; gap: 20px; }
@media (min-width: 700px) { .foot-in { grid-template-columns: 1fr auto; } }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 20px; align-content: start; }
.foot a { text-decoration: none; }
.foot .langs { display: flex; gap: 14px; color: var(--grey); }
.foot .langs a[aria-current] { color: var(--paper); text-decoration: underline; }