/* zyperwin.baozangapp.com — 冷白 + 翠绿清爽工具风
   与四站差异化:纵向通栏大图 Hero、浅底绿色"清理/优化"语系。 */

:root {
  --bg: #f7f9fb;
  --panel: #ffffff;
  --panel-2: #eef2f6;
  --line: #e3e9f0;
  --text: #16202a;
  --sub: #5a6574;
  --mut: #8c96a2;
  --accent: #0c8a5f;
  --accent-deep: #0a7551;
  --accent-soft: rgba(12, 138, 95, 0.09);
  --ok: #0c8a5f;
  --ok-soft: rgba(12, 138, 95, 0.09);
  --warn: #8a6d1a;
  --warn-line: rgba(217, 152, 26, 0.5);
  --warn-bg: #fdf8ec;
  --wrap: 1280px;
  --mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--sans); font-size: 16.5px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
section { scroll-margin-top: 84px; }
a { color: var(--ok); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: var(--mono); font-size: 0.92em; background: var(--panel-2); border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; color: var(--accent-deep); }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }

/* nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(247, 249, 251, 0.94); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav-in { display: flex; align-items: center; gap: 20px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 18px; }
.brand img { width: 26px; height: 26px; border-radius: 7px; }
.brand .ver { font-family: var(--mono); font-size: 12.5px; color: var(--accent); border: 1px solid var(--line); background: var(--accent-soft); border-radius: 99px; padding: 1px 9px; font-weight: 400; }
.nav-links { display: flex; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.nav-links a { color: var(--sub); font-size: 14.5px; padding: 8px 11px; border-radius: 8px; min-height: 44px; display: inline-flex; align-items: center; }
.nav-links a:hover { color: var(--text); background: var(--panel-2); text-decoration: none; }
.nav-cta { color: #fff !important; background: var(--accent); font-weight: 600; border-radius: 8px; padding: 8px 16px !important; }
.nav-cta:hover { background: var(--accent-deep); }
.burger { display: none; background: none; border: 1px solid var(--line); color: var(--text); font-size: 20px; border-radius: 8px; width: 44px; height: 44px; margin-left: auto; cursor: pointer; }

/* hero: 纵向通栏大图 + 下方文案 */
.hero { padding-top: 34px; }
.hero-shot { position: relative; margin: 0; }
.hero-shot img { width: 100%; height: auto; display: block; border-radius: 16px; border: 1px solid var(--line); box-shadow: 0 22px 60px rgba(22, 32, 42, 0.14); }
.hero-shot .flag { position: absolute; left: 16px; bottom: 16px; font-family: var(--mono); font-size: 11.5px; color: var(--sub); background: rgba(255, 255, 255, 0.9); border: 1px solid var(--line); border-radius: 99px; padding: 3px 10px; backdrop-filter: blur(6px); }
.hero-body { display: flex; align-items: flex-end; gap: 40px; justify-content: space-between; flex-wrap: wrap; padding: 30px 0 26px; }
.kicker { font-family: var(--mono); color: var(--accent); font-size: 13.5px; letter-spacing: 0.12em; text-transform: uppercase; }
.hero h1 { font-size: 36px; line-height: 1.3; margin: 10px 0 14px; font-weight: 700; }
.hero h1 .hl { color: var(--accent); }
.hero-intro { color: var(--sub); font-size: 16.5px; max-width: 68ch; margin: 0 0 18px; }
.hero-intro strong { color: var(--text); font-weight: 600; }
.badges { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.badge { font-family: var(--mono); font-size: 12.5px; color: var(--sub); border: 1px solid var(--line); background: var(--panel); border-radius: 99px; padding: 3px 11px; }
.badge.on { color: var(--accent); border-color: rgba(12, 138, 95, 0.4); background: var(--accent-soft); }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary, .btn-ghost { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 52px; padding: 10px 24px; border-radius: 10px; font-size: 16.5px; font-weight: 600; }
.btn-primary { background: var(--accent); color: #fff; border: none; cursor: pointer; }
.btn-primary:hover { background: var(--accent-deep); text-decoration: none; }
.btn-ghost { background: var(--panel); color: var(--text); border: 1px solid var(--line); }
.btn-ghost:hover { background: var(--panel-2); text-decoration: none; }
.btn-ghost .mono, .btn-primary .mono { font-size: 0.85em; opacity: 0.8; }
.hero-note { font-family: var(--mono); font-size: 12.5px; color: var(--mut); margin-top: 16px; }

/* facts */
.facts { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; padding: 8px 0 30px; }
.fact { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.fact .k { font-size: 12.5px; color: var(--mut); font-family: var(--mono); }
.fact .v { font-size: 15.5px; font-weight: 600; margin-top: 3px; }
.fact .v.mono { font-size: 14.5px; }

/* sections */
.section { padding: 56px 0; border-top: 1px solid var(--line); }
.section h2 { font-size: 28px; line-height: 1.35; margin: 0 0 8px; font-weight: 700; }
.sec-cap { font-family: var(--mono); font-size: 13.5px; color: var(--accent); letter-spacing: 0.14em; margin-bottom: 8px; }
.lede { color: var(--sub); font-size: 17px; margin: 0 0 26px; }
.lede strong, .section p strong { color: var(--text); font-weight: 600; }
.section h3 { font-size: 19.5px; margin: 32px 0 10px; font-weight: 600; }
.section p { color: var(--sub); }
.section ul { color: var(--sub); }

.caveat { border: 1px solid var(--warn-line); background: var(--warn-bg); border-radius: 10px; padding: 13px 16px; color: var(--warn); font-size: 14.5px; margin: 0 0 20px; }
.caveat::before { content: "⚠ "; }
blockquote { margin: 18px 0; padding: 12px 18px; border-left: 3px solid #d9981a; background: var(--warn-bg); color: var(--warn); border-radius: 0 8px 8px 0; font-size: 15px; }

/* tables */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
table { border-collapse: collapse; width: 100%; min-width: 640px; font-size: 14.5px; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-family: var(--mono); font-size: 12.5px; color: var(--mut); font-weight: 400; letter-spacing: 0.06em; white-space: nowrap; background: var(--panel-2); }
td { color: var(--sub); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: rgba(12, 138, 95, 0.03); }
td.num, td .num { font-family: var(--mono); color: var(--text); }
td strong { color: var(--text); }
td a { white-space: nowrap; }

/* cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; }
.card .t { font-weight: 600; font-size: 16.5px; margin-bottom: 6px; }
.card .t .n { font-family: var(--mono); color: var(--accent); font-size: 13px; margin-right: 8px; }
.card p { margin: 0; font-size: 14.5px; }
.card ul { margin: 0; padding-left: 18px; font-size: 14.5px; }

/* steps */
ol.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; }
ol.steps li { counter-increment: step; position: relative; padding: 14px 16px 14px 66px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; margin-bottom: 12px; }
ol.steps li::before { content: counter(step, decimal-leading-zero); position: absolute; left: 16px; top: 50%; transform: translateY(-50%); font-family: var(--mono); font-size: 20px; color: var(--accent); border: 1px solid rgba(12, 138, 95, 0.35); background: var(--accent-soft); border-radius: 9px; padding: 4px 10px; }
ol.steps li b { color: var(--text); }
ol.steps li p { margin: 4px 0 0; font-size: 14.5px; }

/* gallery */
.gal-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 16px; }
.gal-group { margin-bottom: 26px; }
.gal-group h3 { margin: 0 0 12px; }
.gal-item { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--panel); cursor: zoom-in; padding: 0; width: 100%; display: block; text-align: left; }
.gal-item:hover { border-color: var(--accent); }
.gal-item img { width: 100%; height: auto; display: block; }
.gal-item figcaption { font-size: 12.5px; color: var(--mut); padding: 10px 12px; line-height: 1.6; }

/* lightbox */
.lightbox { position: fixed; inset: 0; z-index: 300; background: rgba(14, 20, 26, 0.94); display: none; align-items: center; justify-content: center; flex-direction: column; }
.lightbox.on { display: flex; }
.lb-img { max-width: min(1400px, 92vw); max-height: 78vh; border-radius: 10px; border: 1px solid #333c46; }
.lb-cap { color: #c3cbd6; font-size: 13.5px; max-width: 900px; text-align: center; padding: 14px 20px 6px; }
.lb-i { font-family: var(--mono); color: #7d8794; font-size: 12.5px; }
.lb-btn { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255, 255, 255, 0.08); border: 1px solid #333c46; color: #fff; font-size: 22px; border-radius: 10px; width: 48px; height: 48px; cursor: pointer; }
.lb-prev { left: 18px; } .lb-next { right: 18px; }
.lb-close { position: absolute; top: 18px; right: 18px; width: 44px; height: 44px; font-size: 18px; background: rgba(255, 255, 255, 0.08); border: 1px solid #333c46; color: #fff; border-radius: 10px; cursor: pointer; }
body.lb-open { overflow: hidden; }

/* download panel */
.panel-accent { border: 1px solid rgba(12, 138, 95, 0.4); background: linear-gradient(180deg, rgba(12, 138, 95, 0.06), rgba(12, 138, 95, 0.01)); border-radius: 14px; padding: 22px 24px; margin-bottom: 26px; }
.panel-accent .t { font-weight: 700; font-size: 18px; margin-bottom: 8px; }
.panel-accent p { margin: 0 0 12px; }
.panel-accent p:last-child { margin-bottom: 0; }

/* faq */
.faq details { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; margin-bottom: 10px; overflow: hidden; }
.faq summary { cursor: pointer; list-style: none; padding: 15px 20px; font-size: 16.5px; font-weight: 600; color: var(--text); display: flex; align-items: center; justify-content: space-between; gap: 14px; min-height: 44px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--mono); color: var(--accent); font-size: 20px; }
.faq details[open] summary::after { content: "−"; }
.faq details[open] summary { border-bottom: 1px solid var(--line); }
.faq .a { padding: 14px 20px 16px; color: var(--sub); font-size: 15px; }

/* changelog */
.cl-table td:first-child { font-family: var(--mono); color: var(--accent); white-space: nowrap; }
.cl-table td:nth-child(2) { font-family: var(--mono); white-space: nowrap; }

/* sources */
.src-list { margin: 0; padding: 0; list-style: none; }
.src-list li { padding: 12px 0; border-bottom: 1px dashed var(--line); color: var(--sub); font-size: 15px; }
.src-list li:last-child { border-bottom: none; }
.src-list .u { font-family: var(--mono); font-size: 13px; word-break: break-all; }
.src-list b { color: var(--text); }

/* footer */
footer { padding: 40px 0 46px; color: var(--mut); font-size: 13.5px; border-top: 1px solid var(--line); }
.foot-grid { display: flex; gap: 30px; flex-wrap: wrap; justify-content: space-between; }
footer a { color: var(--sub); }
.foot-note { margin-top: 22px; font-family: var(--mono); font-size: 12px; line-height: 1.9; }

/* 404 */
.p404 { min-height: 60vh; display: flex; align-items: center; justify-content: center; flex-direction: column; text-align: center; padding: 60px 20px; }
.p404 .code { font-family: var(--mono); font-size: 84px; color: var(--accent); font-weight: 700; }
.p404-links { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-top: 24px; }
.p404-links a { border: 1px solid var(--line); border-radius: 8px; padding: 10px 16px; min-height: 44px; display: inline-flex; align-items: center; color: var(--text); background: var(--panel); }
.p404-links a:hover { background: var(--panel-2); text-decoration: none; }

#toTop { position: fixed; right: 22px; bottom: 26px; z-index: 40; width: 44px; height: 44px; border-radius: 10px; background: var(--accent); border: none; color: #fff; font-size: 18px; cursor: pointer; opacity: 0; pointer-events: none; transition: opacity 0.2s; }
#toTop.show { opacity: 1; pointer-events: auto; }
#toTop:hover { background: var(--accent-deep); }

/* responsive */
@media (max-width: 1080px) { .facts { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 920px) {
  .hero h1 { font-size: 30px; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .hero-body { gap: 18px; }
}
@media (max-width: 768px) {
  .burger { display: block; }
  .nav-links { display: none; position: absolute; top: 60px; left: 0; right: 0; background: rgba(247, 249, 251, 0.98); border-bottom: 1px solid var(--line); padding: 10px 20px 16px; flex-direction: column; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 8px; }
  .facts { grid-template-columns: 1fr 1fr; }
  .section { padding: 44px 0; }
  .section h2 { font-size: 24px; }
  .cta-row .btn-primary, .cta-row .btn-ghost { flex: 1 1 100%; }
}
@media (max-width: 480px) { .wrap { padding: 0 18px; } }