@font-face {
  font-family: "Site Serif";
  src: url("/assets/serif.woff2") format("woff2");
  font-weight: 900;
  font-display: swap;
}
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; }
.xk {
  --bg: #F5F7F5; --card: #FFFFFF; --muted: #F0F4F2; --fg: #17201D; --sub: #4F5D59; --faint: #6B7873;
  --line: #D9E2DE; --soft: #E8EEEB; --pri: #2F6B5E; --pri2: #275B50; --brand: #E3EEEA;
  --red: #C8452E; --warn: #8A5A0E; --warnbg: #FAF0DC; --mint: #9FD3C4; --mintdim: #A9C4BB;
  background: var(--bg); color: var(--fg);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; text-wrap: pretty;
}
.xk *, .xk *::before, .xk *::after { box-sizing: border-box; }
h1, h2, h3, p, ul, ol, dl, dd, blockquote, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
.xk a { color: inherit; text-decoration: none; }
.xk [id] { scroll-margin-top: 96px; }
.xk a:focus-visible, .xk button:focus-visible { outline: 2px solid var(--pri); outline-offset: 2px; }
.serif { font-family: "Site Serif", "Noto Serif SC", "Songti SC", "SimSun", serif; font-weight: 900; }
.wrap { max-width: 1200px; margin: 0 auto; padding-inline: 44px; }
.ic { width: 16px; height: 16px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.pm { width: 18px; height: 18px; flex: none; }
.pm path { fill: none; stroke-width: 1.7; stroke-linecap: round; }

.btn { display: inline-flex; align-items: center; justify-content: center; height: 48px; padding: 0 30px; border: 0; border-radius: 4px; background: var(--pri); font: inherit; font-weight: 700; white-space: nowrap; cursor: pointer; }
.xk .btn { color: #fff; }
.xk .btn:hover { background: var(--pri2); }
.btn-sm { height: 44px; padding: 0 20px; font-size: 15px; }

.nav { position: sticky; top: 0; z-index: 5; background: var(--bg); border-bottom: 1px solid var(--line); }
.nav-in { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 72px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-size: 16px; font-weight: 700; letter-spacing: -.01em; white-space: nowrap; }
.mark { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; flex: none; border: 2px solid var(--pri); border-radius: 3px; color: var(--pri); font-size: 15px; line-height: 1; }
.nav-links { display: flex; gap: 40px; font-size: 15px; color: var(--sub); }
.xk .nav-links a:hover, .xk .nav-login:hover { color: var(--pri); }
.nav-act { display: flex; align-items: center; gap: 24px; font-size: 15px; white-space: nowrap; }

.hero { padding: 96px 0 76px; }
.eyebrow { font-size: 15px; font-weight: 500; color: var(--pri); }
.h1 { margin-top: 18px; font-size: clamp(40px, 7vw, 100px); line-height: 1.16; letter-spacing: -.015em; }
.h1 span { display: block; }
.hero-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 56px; margin-top: 44px; }
.lead { font-size: 20px; line-height: 1.8; color: var(--sub); }
.hero-cta { display: flex; flex-direction: column; align-items: flex-end; gap: 12px; flex: none; }
.note { font-size: 13.5px; color: var(--faint); white-space: nowrap; }

.stage { background: linear-gradient(var(--bg) 0 170px, var(--fg) 170px 100%); }
.win { display: grid; grid-template-columns: 200px minmax(0, 1fr); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.side { display: flex; flex-direction: column; gap: 3px; padding: 18px 12px; background: var(--muted); border-right: 1px solid var(--line); font-size: 14px; color: var(--sub); }
.side-logo { display: flex; align-items: center; gap: 9px; padding: 0 8px 14px; font-size: 15px; font-weight: 700; color: var(--fg); }
.side-g { padding: 14px 8px 5px; font-size: 11.5px; letter-spacing: .12em; color: var(--faint); }
.side-i { display: flex; align-items: center; gap: 9px; height: 36px; padding: 0 8px; border-left: 3px solid transparent; border-radius: 3px; }
.side-on { background: var(--card); border-left-color: var(--pri); color: var(--fg); font-weight: 700; }
.mainp { min-width: 0; padding: 26px 30px 30px; }
.ph-d { font-size: 12.5px; color: var(--faint); }
.ph-t { font-size: 34px; line-height: 1.3; }
.ph-r { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; padding-bottom: 14px; border-bottom: 3px double var(--fg); }
.ghost { display: inline-flex; align-items: center; height: 34px; padding: 0 13px; background: var(--card); border: 1px solid var(--line); border-radius: 4px; font-size: 13px; white-space: nowrap; }
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 18px; }

.lc { display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 18px 20px; font-size: 14.5px; }
.lc-top { display: flex; align-items: center; gap: 8px; min-width: 0; }
.lc-no { color: var(--pri); font-size: 22px; line-height: 1; }
.lc-src { min-width: 0; font-size: 12.5px; color: var(--faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tag { display: inline-flex; align-items: center; height: 22px; padding: 0 7px; border-radius: 3px; font-size: 12px; font-weight: 700; white-space: nowrap; background: var(--brand); color: var(--pri); }
.tag-hot { background: transparent; border: 1.5px solid var(--red); color: var(--red); }
.tag-warn { background: var(--warnbg); color: var(--warn); }
.tag-mute { background: var(--muted); color: var(--sub); }
.lc-top .tag { margin-left: auto; }
.lc-need { margin: 10px 0; font-size: 20px; line-height: 1.4; }
.lc-q { border-left: 3px solid var(--brand); padding: 2px 0 2px 14px; line-height: 1.75; color: var(--sub); }
.lc-who { display: block; margin-top: 2px; font-size: 12.5px; color: var(--faint); }
.lc-why { display: flex; gap: 14px; margin-top: 12px; font-size: 13px; color: var(--pri); }
.lc-why-t { margin-top: 6px; padding: 8px 12px; background: var(--muted); border-radius: 4px; font-size: 13.5px; color: var(--sub); }
.lc-h { display: flex; align-items: center; gap: 12px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--soft); font-size: 12.5px; color: var(--faint); }
.lc-alt { display: inline-flex; align-items: center; gap: 4px; margin-left: auto; color: var(--pri); }
.lc-alt .ic { width: 13px; height: 13px; }
.lc-d { margin-top: 8px; padding: 10px 14px; background: var(--muted); border-radius: 4px; line-height: 1.75; }
.lc-a { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 14px; }
.lc-b { display: inline-flex; align-items: center; height: 40px; padding: 0 18px; background: var(--pri); border-radius: 4px; color: #fff; font-size: 14px; font-weight: 700; white-space: nowrap; }
.lc-x { font-size: 13.5px; color: var(--faint); }
.lc-r { margin-top: 12px; padding: 12px 14px; background: var(--muted); border-radius: 4px; font-size: 14px; color: var(--sub); }
.lc-r b { display: block; color: var(--fg); font-weight: 700; }
.lc-r .lc-a { padding-top: 10px; }

.say { padding-top: 112px; padding-bottom: 124px; color: #fff; }
.say p { font-size: clamp(28px, 4.2vw, 56px); line-height: 1.34; letter-spacing: -.01em; }

.sec { padding: 132px 0 0; }
.sec-last { padding-bottom: 132px; }
.sec-top { display: flex; align-items: baseline; justify-content: space-between; padding-top: 16px; border-top: 1px solid var(--fg); }
.sec-no { color: var(--pri); font-size: 22px; line-height: 1; }
.sec-tag { font-size: 14px; font-weight: 400; color: var(--faint); }
.h2 { font-size: clamp(28px, 2.9vw, 40px); line-height: 1.34; letter-spacing: -.01em; }
.h2 span { display: block; }
.sec-g { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 72px; align-items: start; margin-top: 44px; }
.txt { margin-top: 20px; font-size: 17px; line-height: 1.85; color: var(--sub); }
.h2-gap { margin-top: 28px; }

.rows { background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 0 22px; }
.row { display: flex; align-items: center; gap: 14px; min-height: 58px; padding: 12px 0; border-top: 1px solid var(--soft); font-size: 15px; }
.row:first-child { border-top: 0; }
.row-m { min-width: 0; flex: 1 1 auto; }
.row-m small { display: block; font-size: 13px; color: var(--faint); }
.skip { color: var(--faint); }
.row-e { display: flex; align-items: center; gap: 12px; flex: none; font-size: 13px; color: var(--faint); }
.keep { color: var(--pri); font-weight: 700; }
.row-b { display: inline-flex; align-items: center; height: 34px; padding: 0 12px; border: 1px solid var(--line); border-radius: 4px; color: var(--fg); background: var(--card); white-space: nowrap; }

.fu { display: flex; flex-direction: column; gap: 16px; }
.fu-t { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 13px; color: var(--faint); }
.fu-n { margin: 8px 0 6px; font-size: 18px; line-height: 1.4; }
.fu-q { font-size: 14px; color: var(--sub); }
.fu-c { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--soft); font-size: 13px; color: var(--faint); }
.chip { display: inline-flex; align-items: center; height: 32px; padding: 0 11px; border: 1px solid var(--line); border-radius: 4px; color: var(--sub); background: var(--card); }
.chip-on { border-color: var(--pri); color: var(--pri); font-weight: 700; }

.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 44px; }
.plan { background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 28px; }
.plan-n { font-size: 17px; font-weight: 700; }
.plan-p { display: flex; align-items: baseline; gap: 4px; margin-top: 10px; font-size: 52px; line-height: 1.2; }
.plan-p small { font-family: "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 15px; font-weight: 400; color: var(--faint); }
.plan-y { min-height: 24px; font-size: 14px; color: var(--faint); }
.plan-l { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--soft); font-size: 15px; line-height: 1.7; color: var(--sub); }
.plan-f { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; margin-top: 28px; font-size: 16px; color: var(--sub); }

.faq { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 56px; margin-top: 36px; }
.faq div { padding: 22px 0 24px; border-top: 1px solid var(--line); }
.faq div:nth-child(-n+2) { padding-top: 6px; border-top: 0; }
.faq dt { font-size: 17px; font-weight: 700; }
.faq dd { margin-top: 8px; font-size: 15.5px; line-height: 1.85; color: var(--sub); }

.apply { background: var(--fg); color: #fff; padding: 120px 0; }
.apply-g { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 440px); gap: 72px; align-items: center; }
.apply h2 { font-size: clamp(36px, 5vw, 64px); line-height: 1.2; letter-spacing: -.01em; }
.apply-t { margin-top: 18px; font-size: 18px; line-height: 1.8; color: var(--mintdim); }
.form { display: flex; flex-direction: column; gap: 16px; padding: 28px; background: var(--card); border-radius: 6px; color: var(--fg); }
.form label { display: block; margin-bottom: 6px; font-size: 14px; font-weight: 700; }
.form input { display: block; width: 100%; height: 44px; padding: 0 12px; background: var(--card); border: 1px solid var(--line); border-radius: 4px; font: inherit; font-size: 15px; color: var(--fg); }
.form input::placeholder { color: var(--faint); }
.form .btn { width: 100%; }
.xk .form .form-c { display: flex; align-items: center; gap: 8px; margin: 0; font-size: 13px; font-weight: 400; color: var(--sub); cursor: pointer; }
.xk .form .form-c input { width: 17px; height: 17px; flex: none; margin: 0; padding: 0; accent-color: var(--pri); }
.form-e { margin-top: 6px; font-size: 13px; color: var(--red); }
.form input:focus { outline: 2px solid var(--brand); border-color: var(--pri); }
.done { min-height: 240px; justify-content: center; }
.done-t { font-size: 34px; line-height: 1.3; }
.done-s { font-size: 16px; color: var(--sub); }

.foot { background: var(--fg); color: var(--mintdim); border-top: 1px solid rgba(255, 255, 255, .14); font-size: 14px; }
.foot-in { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 40px; padding-top: 30px; padding-bottom: 30px; }
.foot .logo { color: #fff; }
.foot .mark { border-color: var(--mint); color: var(--mint); }
.foot-l { display: flex; flex-wrap: wrap; gap: 8px 28px; }
.xk .foot a:hover { color: #fff; }

@media (max-width: 1040px) {
  .nav-links { display: none; }
  .hero-row { flex-direction: column; align-items: flex-start; gap: 28px; }
  .hero-cta { align-items: flex-start; }
  .win { grid-template-columns: minmax(0, 1fr); }
  .side { display: none; }
  .sec-g, .apply-g { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .plans { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .wrap { padding-inline: 16px; }
  .nav-in { height: 64px; }
  .nav-act { gap: 16px; }
  .hero { padding: 56px 0 44px; }
  .eyebrow { font-size: 14px; }
  .lead { font-size: 17px; }
  .stage { background: linear-gradient(var(--bg) 0 90px, var(--fg) 90px 100%); }
  .mainp { padding: 18px 14px 16px; }
  .cards { grid-template-columns: minmax(0, 1fr); }
  .lc { padding: 16px; }
  .lc-need { font-size: 18px; }
  .say { padding-top: 68px; padding-bottom: 76px; }
  .sec { padding-top: 84px; }
  .sec-last { padding-bottom: 84px; }
  .sec-g { margin-top: 28px; gap: 28px; }
  .rows { padding: 0 14px; }
  .row { flex-wrap: wrap; gap: 8px 10px; }
  .row-m { flex-basis: calc(100% - 30px); }
  .row-e { margin-left: 28px; }
  .plan { padding: 22px; }
  .faq { grid-template-columns: minmax(0, 1fr); }
  .faq div:nth-child(2) { padding-top: 22px; border-top: 1px solid var(--line); }
  .apply { padding: 76px 0; }
  .form { padding: 20px; }
}

.ul { text-decoration: underline; }
.hp { position: absolute; left: -9999px; }
.btn:disabled { opacity: .6; cursor: default; }

.doc { max-width: 760px; padding-top: 64px; padding-bottom: 96px; }
.doc h1 { font-size: clamp(30px, 4vw, 42px); line-height: 1.3; }
.doc-meta { margin-top: 14px; font-size: 14px; color: var(--faint); }
.doc h2 { margin-top: 40px; font-size: 21px; line-height: 1.4; }
.doc p, .doc li, .doc td, .doc th { font-size: 16px; line-height: 1.9; color: var(--sub); }
.doc p { margin-top: 12px; }
.doc ul { margin-top: 10px; }
.doc li { padding-left: 16px; text-indent: -16px; }
.doc li::before { content: "·"; display: inline-block; width: 16px; text-indent: 0; color: var(--faint); }
.doc strong { color: var(--fg); }
.doc a { color: var(--pri); text-decoration: underline; }
.doc-tb { margin-top: 12px; overflow-x: auto; }
.doc table { width: 100%; border-collapse: collapse; }
.doc th { text-align: left; font-size: 14px; color: var(--faint); border-bottom: 1px solid var(--fg); padding: 8px 12px 8px 0; white-space: nowrap; }
.doc td { border-bottom: 1px solid var(--soft); padding: 10px 12px 10px 0; vertical-align: top; }
.miss { padding-top: 120px; padding-bottom: 160px; }
.miss h1 { font-size: 40px; line-height: 1.3; }
.miss p { margin-top: 14px; color: var(--sub); }
.miss a { color: var(--pri); text-decoration: underline; }