:root {
  --hero: linear-gradient(120deg, #7a12ff 0%, #9b0fd6 40%, #c4128f 75%, #d81b72 100%);
  --blue: linear-gradient(135deg, #2563ff 0%, #3b9bff 100%);
  --accent: #8a1bd4; --pink: #d81b72;
  --text: #1f2937; --muted: #6b7280; --border: #e5e7eb;
  --bg: #f5f6fa; --card: #ffffff; --soft: #f3f4f6;
  --ok-bg: #f0fdf4; --ok-bd: #bbf7d0; --ok-tx: #166534;
  --err-bg: #fef2f2; --err-tx: #991b1b;
  --shadow: 0 10px 30px rgba(17,24,39,.08);
}
@media (prefers-color-scheme: dark) {
  :root {
    --text: #e5e7eb; --muted: #9ca3af; --border: #2d3340;
    --bg: #0f1218; --card: #171b23; --soft: #1f2430;
    --ok-bg: #0f2a1b; --ok-bd: #1f5135; --ok-tx: #86efac;
    --err-bg: #2a1215; --err-tx: #fca5a5;
    --shadow: 0 10px 30px rgba(0,0,0,.35);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, Inter, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
a { color: var(--accent); }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.hidden { display: none !important; }
svg { width: 20px; height: 20px; flex-shrink: 0; }

/* ── Header / hero ─────────────────────────────────────────── */
.topbar { background: var(--card); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 40;
          box-shadow: 0 2px 12px rgba(17,24,39,.05); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 800; font-size: 1.15rem; letter-spacing: -.01em; }
.logo-mark { width: 34px; height: 34px; border-radius: 10px; display: block; }
.top-links { display: flex; align-items: center; gap: 22px; }
.top-links a { color: var(--text); text-decoration: none; font-weight: 600; font-size: .95rem; }
.top-links a:hover { color: var(--accent); }
.test { font-size: .72rem; padding: 3px 10px; border-radius: 99px; background: rgba(138,27,212,.1); color: var(--accent); font-weight: 600; }
@media (max-width: 480px) { .top-links { gap: 14px; } .top-links a { font-size: .88rem; } .test { display: none; } }

.site-head { background: var(--hero); color: #fff; padding-bottom: 40px; }
.hero { text-align: center; padding-top: 26px; }
.hero-sm { padding: 38px 16px 10px; }
.hero.hero-sm h1 { max-width: 880px; margin-left: auto; margin-right: auto; font-size: clamp(1.7rem, 4.6vw, 2.6rem); }
.tabs { display: inline-flex; max-width: 100%; overflow-x: auto; scrollbar-width: none; border-radius: 14px;
        background: rgba(255,255,255,.14); backdrop-filter: blur(6px); margin-bottom: 26px; }
.tabs::-webkit-scrollbar { display: none; }
.tabs a { display: flex; align-items: center; gap: 8px; padding: 12px 18px; color: rgba(255,255,255,.92); text-decoration: none;
          font-weight: 600; white-space: nowrap; border-right: 1px solid rgba(255,255,255,.14); }
.tabs a:last-child { border-right: 0; }
.tabs a:hover { background: rgba(255,255,255,.12); }
.tabs a[aria-current="page"] { background: rgba(255,255,255,.26); color: #fff; }
.hero h1 { margin: 0 0 8px; font-size: clamp(1.8rem, 5.5vw, 3.2rem); line-height: 1.15; letter-spacing: -.02em; font-weight: 800; }
.lead { margin: 0 auto 18px; max-width: 640px; font-size: clamp(1rem, 2.4vw, 1.2rem); opacity: .95; }
.pills { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; padding: 0; margin: 0 0 26px; }
.pills li { padding: 5px 14px; border-radius: 99px; border: 1px solid rgba(255,255,255,.35); background: rgba(255,255,255,.1); font-size: .88rem; }

/* ── Tool ─────────────────────────────────────────────────── */
.tool { max-width: 760px; margin: 0 auto; text-align: left; }
.bar { position: relative; display: flex; align-items: center; gap: 8px; background: #fff; border-radius: 16px; padding: 8px;
       box-shadow: 0 14px 40px rgba(40,0,80,.25); }
.bar input { flex: 1; min-width: 0; border: 0; outline: none; font-size: 1.05rem; padding: 12px 8px 12px 14px; color: #111; background: transparent; }
.bar input::placeholder { color: #8b8f99; }
.clear { border: 0; background: transparent; color: #9ca3af; font-size: 22px; cursor: pointer; padding: 0 4px; }
.paste { display: flex; align-items: center; gap: 8px; height: 48px; padding: 0 16px; border-radius: 12px; border: 1.5px solid #e2e5ea;
         background: #f1f3f6; color: #111; font-weight: 600; font-size: 1rem; cursor: pointer; }
.paste:hover { background: #e9ecf1; }
.go { height: 48px; padding: 0 26px; border: 0; border-radius: 12px; background: var(--blue); color: #fff; font-weight: 700; font-size: 1.05rem;
      cursor: pointer; box-shadow: 0 6px 18px rgba(37,99,255,.35); }
.go:hover { filter: brightness(1.06); }
@media (max-width: 600px) {
  .bar { flex-wrap: wrap; }
  .bar input { flex-basis: calc(100% - 40px); }
  .paste, .go { flex: 1; justify-content: center; }
}
.msg { margin-top: 12px; padding: 12px 14px; border-radius: 12px; background: var(--err-bg); color: var(--err-tx); font-size: .93rem; }
.msg.hint { background: rgba(255,255,255,.95); color: #1f2937; }

/* ── Results ──────────────────────────────────────────────── */
.results:empty { display: none; }
.results { margin-top: -22px; position: relative; }
.results > .card { background: var(--card); border-radius: 18px; padding: 18px; box-shadow: var(--shadow); }
.loading { text-align: center; padding: 22px 0; color: var(--muted); }
.spin { width: 36px; height: 36px; margin: 0 auto 10px; border: 4px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: s .8s linear infinite; }
@keyframes s { to { transform: rotate(360deg); } }
.post-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 6px; }
.post-head .count { color: var(--muted); font-size: .9rem; }
.all { margin-left: auto; padding: 9px 14px; border: 0; border-radius: 10px; background: var(--hero); color: #fff; font-weight: 700; cursor: pointer; }
.caption { color: var(--muted); font-size: .9rem; margin: 0 0 14px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.items { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); }
.items.single { grid-template-columns: minmax(0, 340px); justify-content: center; }
.item { border: 1px solid var(--border); border-radius: 14px; overflow: hidden; background: var(--soft); display: flex; flex-direction: column; }
.thumb { position: relative; aspect-ratio: 4 / 5; background: var(--border); }
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.type, .num, .dim { position: absolute; padding: 3px 8px; border-radius: 99px; background: rgba(0,0,0,.6); color: #fff; font-size: .72rem; font-weight: 600; }
.type { top: 8px; left: 8px; } .num { top: 8px; right: 8px; } .dim { left: 8px; bottom: 8px; font-weight: 500; }
.btns { display: grid; gap: 8px; padding: 10px; }
.sub2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.btn { display: flex; align-items: center; justify-content: center; gap: 7px; height: 42px; padding: 0 10px; border-radius: 10px;
       border: 1.5px solid var(--accent); background: var(--card); color: var(--accent); font-weight: 700; font-size: .92rem;
       cursor: pointer; white-space: nowrap; overflow: hidden; }
.btn svg { width: 17px; height: 17px; }
.btn.primary { background: var(--blue); color: #fff; border-color: transparent; }
.btn.small { height: 36px; font-size: .84rem; }
.btn:disabled { opacity: .75; cursor: progress; }
.btn.preparing svg { display: none; }
.btn.preparing::before { content: ''; width: 14px; height: 14px; border-radius: 50%; flex-shrink: 0; border: 2.5px solid currentColor;
                         border-right-color: transparent; animation: s .7s linear infinite; }
@media (max-width: 560px) {
  .items { grid-template-columns: 1fr 1fr; gap: 10px; }
  .btns { padding: 8px; gap: 6px; } .sub2 { gap: 6px; }
  .btn { height: 38px; font-size: .86rem; } .btn.small { height: 34px; font-size: .8rem; }
}
.done { margin-top: 16px; padding: 14px 16px; border-radius: 12px; background: var(--ok-bg); border: 1px solid var(--ok-bd);
        display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.done .ic { width: 32px; height: 32px; border-radius: 50%; background: #16a34a; color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; }
.done b { color: var(--ok-tx); display: block; } .done span { color: var(--muted); font-size: .86rem; }
.another { margin-left: auto; padding: 10px 14px; border: 0; border-radius: 10px; background: var(--blue); color: #fff; font-weight: 700; cursor: pointer; }
@media (max-width: 480px) { .another, .all { width: 100%; margin-left: 0; } }

/* ── Content ──────────────────────────────────────────────── */
.content { padding: 36px 16px 10px; }
.content h2 { font-size: 1.55rem; margin: 46px 0 16px; text-align: center; }
.intro { max-width: 760px; margin: 0 auto; font-size: 1.04rem; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.steps li, .features li { background: var(--card); border-radius: 16px; padding: 20px; box-shadow: var(--shadow); }
.steps .n { width: 36px; height: 36px; border-radius: 50%; background: var(--hero); color: #fff; font-weight: 800; display: flex; align-items: center; justify-content: center; }
.steps h3 { margin: 10px 0 4px; font-size: 1.05rem; }
.steps p { margin: 0; color: var(--muted); }
.features { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.features b { display: block; margin-bottom: 4px; } .features span { color: var(--muted); font-size: .93rem; }
.faq { max-width: 780px; margin: 0 auto; display: grid; gap: 10px; }
.faq details { background: var(--card); border-radius: 12px; padding: 14px 16px; box-shadow: var(--shadow); }
.faq summary { cursor: pointer; font-weight: 700; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--accent); font-size: 1.25rem; line-height: 1; }
.faq details[open] summary::after { content: '−'; }
.faq p { margin: 10px 0 0; color: var(--muted); }
.text-page { max-width: 800px; } .text-page h2 { text-align: left; font-size: 1.2rem; margin: 26px 0 8px; }

/* ── Footer / toasts ──────────────────────────────────────── */
.site-foot { margin-top: 70px; background: #15121f; color: #b8b3c7; font-size: .92rem; }
.foot-grid { display: grid; grid-template-columns: 1.5fr 1.1fr 1.2fr .9fr; gap: 34px; padding-top: 46px; padding-bottom: 34px; }
.foot-brand .logo { color: #fff; margin-bottom: 12px; }
.foot-brand p { margin: 0; max-width: 340px; line-height: 1.6; }
.foot-col h3 { color: #fff; font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; margin: 0 0 12px; }
.foot-col h3 + ul + h3, .foot-col ul + h3 { margin-top: 22px; }
.foot-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.foot-col a { color: #b8b3c7; text-decoration: none; }
.foot-col a:hover { color: #fff; }
.foot-bottom { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; padding-top: 18px; padding-bottom: 22px;
               border-top: 1px solid rgba(255,255,255,.08); font-size: .82rem; color: #8b8699; }
@media (max-width: 900px) { .foot-grid { grid-template-columns: 1fr 1fr; } .foot-brand { grid-column: 1 / -1; } }
@media (max-width: 420px) { .foot-grid { grid-template-columns: 1fr; } }
.toasts { position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%); z-index: 50; display: grid; gap: 8px; width: min(92vw, 420px); pointer-events: none; }
.toast { background: #1f2937; color: #fff; padding: 12px 16px; border-radius: 10px; font-size: .88rem; transition: opacity .4s; }
.toast.err { background: #991b1b; }

/* ── Language menu ────────────────────────────────────────── */
.lang { position: relative; }
.lang summary { list-style: none; display: flex; align-items: center; gap: 6px; cursor: pointer; padding: 6px 10px; border-radius: 10px;
                border: 1px solid var(--border); font-weight: 700; font-size: .85rem; color: var(--text); }
.lang summary::-webkit-details-marker { display: none; }
.lang summary svg { width: 17px; height: 17px; }
.lang ul { position: absolute; right: 0; top: calc(100% + 6px); list-style: none; margin: 0; padding: 6px; min-width: 190px; background: var(--card);
           border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); z-index: 60; }
.lang li a { display: block; padding: 8px 12px; border-radius: 8px; color: var(--text); text-decoration: none; font-weight: 500; }
.lang li a:hover { background: var(--soft); }
.lang li a[aria-current] { color: var(--accent); font-weight: 700; }
@media (max-width: 520px) { .hide-xs { display: none; } }
.show-xs { display: none; } @media (max-width: 520px) { .show-xs { display: block; } }
.menu, .lang { position: relative; }
.menu summary { list-style: none; display: flex; align-items: center; justify-content: center; width: 40px; height: 38px; cursor: pointer;
                border-radius: 10px; border: 1px solid var(--border); color: var(--text); }
.menu summary::-webkit-details-marker { display: none; }
.menu summary svg { width: 22px; height: 22px; }
.menu[open] summary { background: var(--soft); }
.menu ul { position: absolute; right: 0; top: calc(100% + 6px); list-style: none; margin: 0; padding: 6px; min-width: 200px; background: var(--card);
           border: 1px solid var(--border); border-radius: 14px; box-shadow: 0 14px 40px rgba(17,24,39,.14); z-index: 50; }
.menu li a { display: block; padding: 11px 14px; border-radius: 8px; color: var(--text); text-decoration: none; font-weight: 600; }
.menu li a:hover { background: var(--soft); }

/* ── Extra content sections ───────────────────────────────── */
.cards3, .cards2 { display: grid; gap: 14px; }
.cards3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.cards2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card-s { background: var(--card); border-radius: 16px; padding: 18px 20px; box-shadow: var(--shadow); }
.card-s h3 { margin: 0 0 6px; font-size: 1.02rem; }
.card-s p { margin: 0; color: var(--muted); }
.card-s.muted h3 { color: #b42318; }
.table-wrap { overflow-x: auto; border-radius: 16px; box-shadow: var(--shadow); background: var(--card); }
.text-page .meta { color: var(--muted); font-size: .9rem; }
.text-page h2 { text-align: left; }
.text-page li { margin-bottom: 6px; }
.guide-list { list-style: none; padding: 0; display: grid; gap: 12px; }
.guide-list a { display: block; padding: 16px 18px; background: var(--card); border-radius: 14px; box-shadow: var(--shadow); color: var(--text); text-decoration: none; }
.guide-list a:hover { outline: 2px solid var(--accent); }
.guide-list b { display: block; } .guide-list span { color: var(--muted); font-size: .92rem; }
.cta { margin-top: 26px; }
.cta-btn { display: inline-block; padding: 13px 22px; border-radius: 12px; background: var(--blue); color: #fff; font-weight: 700; text-decoration: none; }
.contact { display: grid; gap: 14px; max-width: 560px; }
.contact label { display: grid; gap: 6px; font-weight: 600; }
.contact input, .contact textarea { font: inherit; padding: 12px 14px; border-radius: 10px; border: 1.5px solid var(--border); background: var(--card); color: var(--text); }
.contact input:focus, .contact textarea:focus { outline: none; border-color: var(--accent); }
.contact button { justify-self: start; padding: 12px 22px; border: 0; border-radius: 10px; background: var(--blue); color: #fff; font-weight: 700; cursor: pointer; }
.contact .hp { position: absolute; left: -9999px; }
.notice { padding: 12px 14px; border-radius: 10px; margin: 0 0 14px; }
.notice.ok { background: var(--ok-bg); color: var(--ok-tx); border: 1px solid var(--ok-bd); }
.notice.err { background: var(--err-bg); color: var(--err-tx); }
.small { font-size: .88rem; color: var(--muted); }

/* ── Preview & caption ────────────────────────────────────── */
.play { position: absolute; inset: 0; margin: auto; width: 58px; height: 58px; border-radius: 50%; border: 0; cursor: pointer;
        background: rgba(0,0,0,.55); color: #fff; display: flex; align-items: center; justify-content: center; }
.play:hover { background: rgba(0,0,0,.7); }
.play svg { width: 26px; height: 26px; margin-left: 3px; }
.thumb video { width: 100%; height: 100%; object-fit: contain; background: #000; display: block; }
.cap-row { display: flex; gap: 10px; align-items: flex-start; margin: 0 0 14px; }
.cap-row .caption { margin: 0; flex: 1; }
.copy { flex-shrink: 0; padding: 7px 12px; border-radius: 9px; border: 1.5px solid var(--border); background: var(--card); color: var(--text); font-weight: 600; font-size: .82rem; cursor: pointer; }
.copy:hover { border-color: var(--accent); color: var(--accent); }

/* ── Guides ───────────────────────────────────────────────── */
.crumbs { display: flex; justify-content: center; gap: 8px; font-size: .9rem; margin-bottom: 12px; opacity: .92; }
.crumbs a { color: #fff; text-decoration: none; } .crumbs a:hover { text-decoration: underline; }
.post-meta { margin: 6px 0 0; font-size: .92rem; opacity: .92; }
.article-wrap { max-width: 860px; }
.article { position: relative; margin-top: -26px; background: var(--card); border-radius: 20px; box-shadow: var(--shadow);
           padding: 30px clamp(18px, 5vw, 48px) 36px; font-size: 1.04rem; line-height: 1.75; }
.article h2 { text-align: left; font-size: 1.4rem; margin: 38px 0 12px; scroll-margin-top: 80px; line-height: 1.3; }
.article h3 { font-size: 1.1rem; margin: 22px 0 6px; }
.article p { margin: 0 0 14px; }
.article ul, .article ol { padding-left: 22px; margin: 0 0 16px; } .article li { margin-bottom: 7px; }
.article a { color: var(--accent); }
.article code { background: #f3f0fa; padding: 2px 6px; border-radius: 6px; font-size: .88em; word-break: break-all; }
.article table { width: 100%; border-collapse: collapse; font-size: .95rem; margin: 6px 0 18px; }
.article th, .article td { border-bottom: 1px solid var(--border); padding: 10px 12px; text-align: left; vertical-align: top; }
.article thead th { background: #f6f3fc; }
.article tbody th { font-weight: 600; }
.quick { background: linear-gradient(135deg, #f5edff, #fdeef6); border-left: 4px solid var(--accent); border-radius: 14px; padding: 16px 20px; margin-bottom: 22px; }
.quick > b { display: block; color: var(--accent); text-transform: uppercase; font-size: .78rem; letter-spacing: .08em; margin-bottom: 4px; }
.quick p { margin: 0; }
.toc { border: 1px solid var(--border); border-radius: 14px; padding: 14px 20px; margin-bottom: 8px; background: #fafafd; }
.toc b { font-size: .95rem; } .toc ol { margin: 8px 0 0; padding-left: 20px; font-size: .95rem; } .toc li { margin-bottom: 4px; }
.toc a { color: var(--text); text-decoration: none; } .toc a:hover { color: var(--accent); }
.tip { background: #ecfdf5; border: 1px solid #a7f3d0; border-radius: 12px; padding: 12px 16px; margin: 16px 0; font-size: .97rem; }
.article .faq { margin-top: 0; }
.cta-box { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 34px;
           padding: 20px 22px; border-radius: 16px; background: var(--hero); color: #fff; }
.cta-box b { display: block; font-size: 1.1rem; } .cta-box span { opacity: .9; font-size: .95rem; }
.cta-box .cta-btn { background: #fff; color: var(--accent); }
.related h2 { text-align: left; font-size: 1.3rem; }
.lead-dark { font-size: 1.08rem; color: var(--muted); }
.guide-list em { display: block; margin-top: 8px; font-style: normal; font-size: .86rem; font-weight: 600; color: var(--accent); }
.guide-list.big a { padding: 20px 22px; } .guide-list.big b { font-size: 1.1rem; margin-bottom: 4px; }

/* ── Mobile: centred steps and footer, comparison table as cards ── */
@media (max-width: 600px) {
  .steps li { text-align: center; } .steps .n { margin: 0 auto; }
  .site-foot { text-align: center; }
  .foot-brand .logo { justify-content: center; } .foot-brand p { margin: 0 auto; }
  .foot-bottom { justify-content: center; text-align: center; }
}

/* ── Comparison cards ─────────────────────────────────────── */
.vs { padding-top: 12px; display: grid; grid-template-columns: 1.15fr 1fr 1fr; gap: 16px; align-items: stretch; }
.vs-card { position: relative; background: var(--card); border-radius: 18px; padding: 22px 22px 18px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.vs-card h3 { margin: 0 0 12px; font-size: 1.1rem; }
.vs-card ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.vs-card li { position: relative; padding-left: 20px; color: var(--muted); font-size: .95rem; line-height: 1.45; }
.vs-card li::before { content: ""; position: absolute; left: 2px; top: .5em; width: 8px; height: 8px; border-radius: 50%; background: #cbd0d8; }
.vs-card.best { border: 2px solid transparent; background: linear-gradient(var(--card), var(--card)) padding-box, var(--hero) border-box; }
.vs-card.best li { color: var(--text); }
.vs-card.best li::before { background: var(--hero); }
.vs-badge { position: absolute; top: -12px; left: 20px; padding: 3px 12px; border-radius: 99px; background: var(--hero); color: #fff; font-size: .75rem; font-weight: 700; }
@media (max-width: 800px) { .vs { grid-template-columns: 1fr; } .vs-card.best { margin-top: 8px; } }

@media (max-width: 600px) {
  .cta-box { flex-direction: column; justify-content: center; text-align: center; }
  .cta-box .cta-btn { width: 100%; text-align: center; }
}