:root {
  --qz4k-ink: #10263c;
  --qz4k-ink2: #1c3c58;
  --qz4k-brick: #b44a2e;
  --qz4k-brick2: #8f3a24;
  --qz4k-sand: #f7f4ef;
  --qz4k-sand2: #efeae1;
  --qz4k-line: #e1dbd1;
  --qz4k-muted: #5b6a78;
  --qz4k-white: #ffffff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", sans-serif;
  color: var(--qz4k-ink);
  background: var(--qz4k-white);
  font-size: 16px;
  line-height: 1.85;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; border: 0; }

a { color: inherit; text-decoration: none; }

.qz4k-wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 22px; }

.qz4k-topbar { background: var(--qz4k-ink); color: #e7edf3; font-size: 13px; }

.qz4k-topbar-in { display: flex; justify-content: space-between; gap: 14px; padding: 9px 22px; flex-wrap: wrap; }

.qz4k-topbar-in .qz4k-warn { opacity: .82; }

.qz4k-topbar-in .qz4k-hot b { color: #f0c9a0; font-weight: 700; margin-left: 4px; }

.qz4k-hdr { position: sticky; top: 0; z-index: 60; background: #fff; border-bottom: 1px solid var(--qz4k-line); }

.qz4k-hdr-in { display: flex; align-items: center; gap: 26px; height: 78px; }

.qz4k-brand { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }

.qz4k-logo { width: 46px; height: 46px; }

.qz4k-brandtxt b { display: block; font-size: 20px; letter-spacing: 1px; line-height: 1.3; }

.qz4k-brandtxt em { display: block; font-style: normal; font-size: 12px; color: var(--qz4k-muted); letter-spacing: .5px; }

.qz4k-nav { display: flex; align-items: center; gap: 20px; margin-left: auto; }

.qz4k-navlink { font-size: 15px; padding: 6px 0; border-bottom: 2px solid transparent; white-space: nowrap; }

.qz4k-navlink:hover { color: var(--qz4k-brick); }

.qz4k-navlink.on { color: var(--qz4k-brick); border-bottom-color: var(--qz4k-brick); font-weight: 700; }

.qz4k-hdr-tel { flex: 0 0 auto; text-align: right; border-left: 1px solid var(--qz4k-line); padding-left: 20px; }

.qz4k-hdr-tel small { display: block; font-size: 12px; color: var(--qz4k-muted); }

.qz4k-hdr-tel b { font-size: 17px; color: var(--qz4k-brick); letter-spacing: .5px; }

.qz4k-burger { display: none; margin-left: auto; width: 42px; height: 38px; background: none; border: 1px solid var(--qz4k-line); border-radius: 6px; cursor: pointer; }

.qz4k-burger span { display: block; width: 20px; height: 2px; margin: 4px auto; background: var(--qz4k-ink); }

.qz4k-main { display: block; }

.qz4k-hero { background: linear-gradient(160deg, #f4efe8 0%, #eef2f5 100%); border-bottom: 1px solid var(--qz4k-line); padding: 58px 0 50px; }

.qz4k-hero-in { display: grid; grid-template-columns: 1.06fr .94fr; gap: 46px; align-items: center; }

.qz4k-eyebrow { display: inline-block; font-size: 13px; letter-spacing: 2px; color: var(--qz4k-brick); border-left: 3px solid var(--qz4k-brick); padding-left: 10px; margin-bottom: 18px; }

.qz4k-h1 { font-size: 39px; line-height: 1.34; letter-spacing: .5px; font-weight: 700; }

.qz4k-hero-sub { margin-top: 20px; font-size: 16px; color: #33485c; line-height: 1.95; }

.qz4k-btns { display: flex; gap: 14px; margin-top: 26px; flex-wrap: wrap; }

.qz4k-btn { display: inline-block; padding: 11px 24px; font-size: 15px; border-radius: 4px; transition: .2s; }

.qz4k-btn-g { background: var(--qz4k-brick); color: #fff; }

.qz4k-btn-g:hover { background: var(--qz4k-brick2); }

.qz4k-btn-l { border: 1px solid var(--qz4k-ink); color: var(--qz4k-ink); }

.qz4k-btn-l:hover { background: var(--qz4k-ink); color: #fff; }

.qz4k-stats { display: flex; gap: 34px; margin-top: 34px; padding-top: 22px; border-top: 1px solid #d8d2c8; flex-wrap: wrap; }

.qz4k-stat b { font-size: 30px; color: var(--qz4k-brick); line-height: 1.2; }

.qz4k-stat i { font-size: 13px; font-style: normal; color: var(--qz4k-ink); margin-left: 3px; }

.qz4k-stat span { display: block; font-size: 13px; color: var(--qz4k-muted); }

.qz4k-hero-fig img { width: 100%; height: 380px; object-fit: cover; border-radius: 12px; box-shadow: 0 18px 40px rgba(16, 38, 60, .18); }

.qz4k-quick { border-bottom: 1px solid var(--qz4k-line); }

.qz4k-quick-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; padding: 32px 22px; }

.qz4k-qi { border: 1px solid var(--qz4k-line); border-top: 3px solid var(--qz4k-ink2); padding: 18px 18px 16px; background: #fff; transition: .2s; }

.qz4k-qi:hover { border-top-color: var(--qz4k-brick); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(16, 38, 60, .08); }

.qz4k-qi b { display: block; font-size: 16px; margin-bottom: 8px; }

.qz4k-qi p { font-size: 13.5px; color: var(--qz4k-muted); line-height: 1.8; }

.qz4k-section { padding: 64px 0; }

.qz4k-paper { background: var(--qz4k-sand); border-top: 1px solid var(--qz4k-line); border-bottom: 1px solid var(--qz4k-line); }

.qz4k-shead { margin-bottom: 34px; }

.qz4k-shead-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; }

.qz4k-h2b { font-size: 27px; line-height: 1.4; position: relative; padding-left: 16px; }

.qz4k-h2b::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 5px; background: var(--qz4k-brick); border-radius: 2px; }

.qz4k-shead p { margin-top: 10px; font-size: 14.5px; color: var(--qz4k-muted); }

.qz4k-more { font-size: 14px; color: var(--qz4k-brick); border-bottom: 1px solid var(--qz4k-brick); padding-bottom: 2px; white-space: nowrap; }

.qz4k-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.qz4k-card { background: #fff; border: 1px solid var(--qz4k-line); border-radius: 10px; overflow: hidden; display: flex; flex-direction: column; }

.qz4k-card img { width: 100%; height: 200px; object-fit: cover; }

.qz4k-card-b { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }

.qz4k-card-b h3 { font-size: 18.5px; line-height: 1.5; margin-bottom: 10px; }

.qz4k-card-b p { font-size: 14px; color: var(--qz4k-muted); line-height: 1.85; flex: 1; }

.qz4k-cl { margin-top: 14px; font-size: 13.5px; color: var(--qz4k-brick); }

.qz4k-prose { max-width: 900px; }

.qz4k-p { font-size: 16px; line-height: 1.95; margin-bottom: 18px; color: #22364a; }

.qz4k-h2 { font-size: 23px; margin: 40px 0 16px; padding-bottom: 10px; border-bottom: 1px solid var(--qz4k-line); }

.qz4k-h3 { font-size: 18.5px; margin: 26px 0 10px; color: var(--qz4k-ink2); }

.qz4k-ul, .qz4k-ol { margin: 6px 0 22px; padding-left: 24px; }

.qz4k-ul li, .qz4k-ol li { font-size: 15.5px; line-height: 1.95; margin-bottom: 8px; color: #22364a; }

.qz4k-tw { overflow-x: auto; margin: 22px 0 26px; border: 1px solid var(--qz4k-line); border-radius: 8px; background: #fff; }

.qz4k-tb { width: 100%; border-collapse: collapse; min-width: 520px; font-size: 14.5px; }

.qz4k-tb caption { text-align: left; padding: 14px 16px; font-size: 14px; color: var(--qz4k-muted); border-bottom: 1px solid var(--qz4k-line); }

.qz4k-tb th { background: var(--qz4k-ink); color: #fff; font-weight: 600; padding: 12px 14px; text-align: left; white-space: nowrap; }

.qz4k-tb td { padding: 12px 14px; border-bottom: 1px solid #eee9e1; line-height: 1.75; vertical-align: top; }

.qz4k-tb tbody tr:nth-child(even) { background: #fbf9f6; }

.qz4k-note { background: #fdf3ec; border-left: 4px solid var(--qz4k-brick); padding: 16px 20px; margin: 24px 0; border-radius: 0 6px 6px 0; }

.qz4k-note p { font-size: 15px; line-height: 1.9; color: #5a3226; margin: 0; }

.qz4k-minigrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 24px 0 8px; }

.qz4k-mini { background: #fff; border: 1px solid var(--qz4k-line); border-radius: 8px; padding: 20px; }

.qz4k-mini h4 { font-size: 16.5px; margin-bottom: 10px; color: var(--qz4k-brick); }

.qz4k-mini p { font-size: 14px; color: #3d5062; line-height: 1.85; margin: 0; }

.qz4k-dq { border: 1px solid var(--qz4k-line); border-radius: 8px; background: #fff; margin-bottom: 12px; }

.qz4k-dq summary { cursor: pointer; padding: 16px 20px; font-size: 15.5px; font-weight: 600; list-style: none; position: relative; padding-right: 46px; }

.qz4k-dq summary::-webkit-details-marker { display: none; }

.qz4k-dq summary::after { content: "+"; position: absolute; right: 20px; top: 14px; font-size: 20px; color: var(--qz4k-brick); }

.qz4k-dq[open] summary::after { content: "-"; }

.qz4k-dq p { padding: 0 20px 18px; font-size: 14.5px; color: #3d5062; line-height: 1.9; margin: 0; }

.qz4k-faq { max-width: 900px; }

.qz4k-newslist { display: grid; gap: 16px; }

.qz4k-newslist-full { padding-bottom: 30px; }

.qz4k-nrow { display: flex; gap: 20px; background: #fff; border: 1px solid var(--qz4k-line); border-radius: 10px; padding: 14px; align-items: flex-start; }

.qz4k-nrow:hover { border-color: #cbbfae; box-shadow: 0 8px 22px rgba(16, 38, 60, .07); }

.qz4k-nrow img { width: 240px; height: 150px; object-fit: cover; border-radius: 6px; flex: 0 0 auto; }

.qz4k-nrow-b { padding: 4px 6px 4px 0; }

.qz4k-nrow-b time { font-size: 13px; color: var(--qz4k-muted); letter-spacing: .5px; }

.qz4k-nrow-b h3 { font-size: 17.5px; line-height: 1.55; margin: 6px 0 8px; }

.qz4k-nrow-b p { font-size: 13.5px; color: var(--qz4k-muted); line-height: 1.8; }

.qz4k-report { background: var(--qz4k-ink); color: #e9eef4; padding: 52px 0; }

.qz4k-report-in h2 { font-size: 26px; margin-bottom: 26px; }

.qz4k-report-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.qz4k-rep { background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .14); border-radius: 8px; padding: 20px; }

.qz4k-rep b { color: #f0c9a0; font-size: 17px; display: block; margin-bottom: 8px; }

.qz4k-rep p { font-size: 14px; line-height: 1.8; color: #c9d6e2; margin: 0; }

.qz4k-report .qz4k-btns { margin-top: 28px; }

.qz4k-report .qz4k-btn-l { border-color: #9fb2c4; color: #e9eef4; }

.qz4k-report .qz4k-btn-l:hover { background: #fff; color: var(--qz4k-ink); }

.qz4k-crumb { font-size: 13.5px; color: var(--qz4k-muted); padding: 20px 22px 0; }

.qz4k-crumb a:hover { color: var(--qz4k-brick); }

.qz4k-crumb span { margin: 0 8px; }

.qz4k-crumb b { color: var(--qz4k-ink); font-weight: 600; }

.qz4k-article { padding: 22px 22px 60px; max-width: 1000px; }

.qz4k-ah1 { font-size: 32px; line-height: 1.42; margin-bottom: 16px; }

.qz4k-meta { display: flex; gap: 22px; font-size: 13px; color: var(--qz4k-muted); padding: 14px 0 18px; border-bottom: 1px solid var(--qz4k-line); margin-bottom: 22px; flex-wrap: wrap; }

.qz4k-lead { font-size: 16.5px; line-height: 1.95; color: #2c4055; background: #f8f5f0; border-left: 4px solid var(--qz4k-brick); padding: 18px 22px; margin-bottom: 26px; }

.qz4k-afig { margin: 0 0 30px; }

.qz4k-afig img { width: 100%; height: 420px; object-fit: cover; border-radius: 10px; }

.qz4k-pager { display: flex; gap: 14px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--qz4k-line); flex-wrap: wrap; }

.qz4k-pg { font-size: 14px; padding: 9px 16px; border: 1px solid var(--qz4k-line); border-radius: 4px; color: var(--qz4k-ink2); }

.qz4k-pg:hover { border-color: var(--qz4k-brick); color: var(--qz4k-brick); }

.qz4k-relbox { padding: 0 22px 70px; max-width: 1000px; }

.qz4k-rel { display: flex; gap: 12px; flex-wrap: wrap; }

.qz4k-rel a { font-size: 14px; padding: 8px 14px; background: var(--qz4k-sand); border-radius: 4px; color: var(--qz4k-ink2); }

.qz4k-rel a:hover { background: var(--qz4k-ink); color: #fff; }

.qz4k-rel-vertical { display: grid; gap: 10px; }

.qz4k-relrow { display: flex; gap: 14px; align-items: baseline; background: #fff; border: 1px solid var(--qz4k-line); padding: 12px 16px; border-radius: 6px; }

.qz4k-relrow time { font-size: 12.5px; color: var(--qz4k-muted); flex: 0 0 auto; }

.qz4k-relrow b { font-weight: 500; font-size: 14.5px; }

.qz4k-listhead { padding: 22px 22px 26px; }

.qz4k-listhead .qz4k-lead { margin-top: 18px; margin-bottom: 0; }

.qz4k-nf { padding: 70px 22px 90px; text-align: center; max-width: 820px; }

.qz4k-nfcode { display: block; font-size: 92px; line-height: 1; color: var(--qz4k-ink); letter-spacing: 6px; }

.qz4k-nfh1 { font-size: 26px; margin: 22px 0 14px; }

.qz4k-nf p { font-size: 15.5px; color: var(--qz4k-muted); }

.qz4k-nf .qz4k-btns { justify-content: center; }

.qz4k-nf-links { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 28px; }

.qz4k-nf-links a { font-size: 14px; padding: 7px 14px; border: 1px solid var(--qz4k-line); border-radius: 4px; }

.qz4k-ft { background: #0b1c2c; color: #c9d6e2; padding: 46px 0 26px; }

.qz4k-ft-top { display: flex; gap: 40px; justify-content: space-between; padding-bottom: 30px; border-bottom: 1px solid rgba(255, 255, 255, .12); flex-wrap: wrap; }

.qz4k-ft-brand { display: flex; gap: 14px; align-items: flex-start; max-width: 420px; }

.qz4k-ft-brand img { width: 52px; height: 52px; }

.qz4k-ft-brand b { font-size: 19px; color: #fff; display: block; }

.qz4k-ft-brand p { font-size: 13px; line-height: 1.8; margin-top: 6px; color: #9fb2c4; }

.qz4k-ft-links { display: grid; grid-template-columns: repeat(3, auto); gap: 10px 30px; font-size: 13.5px; }

.qz4k-ft-links a:hover { color: #fff; }

.qz4k-ft-bot { padding-top: 24px; font-size: 12.5px; line-height: 1.9; color: #8ea2b5; }

.qz4k-ft-bot p { margin-bottom: 8px; max-width: 1000px; }

.qz4k-cp { color: #6f8496; }

.qz4k-totop { position: fixed; right: 24px; bottom: 32px; z-index: 70; width: 46px; height: 46px; border: 1px solid rgba(255, 255, 255, .3); background: rgba(16, 38, 60, .86); color: #fff; font-size: 12px; letter-spacing: 1px; border-radius: 6px; cursor: pointer; opacity: 0; pointer-events: none; transition: .25s; }

.qz4k-totop.show { opacity: 1; pointer-events: auto; }

@media (max-width: 1024px) {
  .qz4k-hero-in { grid-template-columns: 1fr; gap: 30px; }
  .qz4k-hero-fig img { height: 300px; }
  .qz4k-quick-grid { grid-template-columns: repeat(2, 1fr); }
  .qz4k-cards { grid-template-columns: repeat(2, 1fr); }
  .qz4k-hdr-tel { display: none; }
  .qz4k-h1 { font-size: 33px; }
}

@media (max-width: 860px) {
  .qz4k-nav { position: absolute; left: 0; right: 0; top: 100%; background: #fff; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 22px 16px; border-bottom: 1px solid var(--qz4k-line); display: none; box-shadow: 0 12px 24px rgba(16, 38, 60, .1); }
  .qz4k-nav.open { display: flex; }
  .qz4k-navlink { padding: 12px 0; border-bottom: 1px solid #f0ece4; }
  .qz4k-navlink.on { border-bottom-color: #f0ece4; }
  .qz4k-burger { display: block; }
  .qz4k-hdr-in { height: 68px; gap: 12px; position: relative; }
  .qz4k-brandtxt b { font-size: 17px; }
  .qz4k-brandtxt em { font-size: 11px; }
  .qz4k-logo { width: 38px; height: 38px; }
  .qz4k-hero { padding: 38px 0 34px; }
  .qz4k-h1 { font-size: 27px; }
  .qz4k-ah1 { font-size: 24px; }
  .qz4k-h2b { font-size: 22px; }
  .qz4k-h2 { font-size: 20px; }
  .qz4k-stats { gap: 22px; }
  .qz4k-stat b { font-size: 25px; }
  .qz4k-section { padding: 44px 0; }
  .qz4k-minigrid, .qz4k-report-grid { grid-template-columns: 1fr; }
  .qz4k-nrow { flex-direction: column; gap: 12px; }
  .qz4k-nrow img { width: 100%; height: 190px; }
  .qz4k-nrow-b h3 { font-size: 16.5px; }
  .qz4k-shead-row { flex-direction: column; align-items: flex-start; }
  .qz4k-afig img { height: 260px; }
  .qz4k-article { padding-bottom: 44px; }
  .qz4k-nfcode { font-size: 64px; }
  .qz4k-ft-links { grid-template-columns: repeat(2, auto); }
  .qz4k-ft-top { gap: 24px; }
}

@media (max-width: 560px) {
  .qz4k-wrap { padding: 0 16px; }
  .qz4k-quick-grid, .qz4k-cards { grid-template-columns: 1fr; }
  .qz4k-h1 { font-size: 23px; }
  .qz4k-hero-sub { font-size: 14.5px; }
  .qz4k-hero-fig img { height: 220px; }
  .qz4k-stats { gap: 16px; }
  .qz4k-card img { height: 180px; }
  .qz4k-p, .qz4k-ul li, .qz4k-ol li { font-size: 15px; }
  .qz4k-topbar-in { font-size: 12px; padding: 8px 16px; }
  .qz4k-topbar-in .qz4k-hot { width: 100%; }
  .qz4k-btn { padding: 10px 18px; font-size: 14px; }
  .qz4k-totop { right: 14px; bottom: 18px; }
  .qz4k-nf { padding: 44px 16px 60px; }
}