.tools-page{--tools-bg: #f7f7f5;--tools-line: #d5d8d6;--tools-smoke: #6e6972;--tools-mist: #58716b;--tools-mist-soft: #8ea8a2;--tools-ink: #2f433f;--tools-accent: #365883;--tools-font-sans: "Inter Variable", Inter, "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif;--tools-font-serif: "Source Serif 4 Variable", "Source Serif 4", "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", Georgia, serif;min-height:100vh;overflow-x:clip;color:var(--tools-ink);background:var(--tools-bg);font-family:var(--tools-font-sans)}.tools-page .mono{font-family:var(--tools-font-sans)}.tools-opening{padding:clamp(70px,7vw,108px) 0 clamp(46px,4.4vw,64px)}.tools-opening-inner{display:grid;grid-template-columns:minmax(0,7fr) minmax(180px,3fr);gap:clamp(36px,7vw,96px);align-items:start}.tools-opening-copy{max-width:760px;min-width:0;padding-left:24px;border-left:4px solid var(--tools-accent)}.tools-eyebrow,.tools-section-kicker{color:var(--tools-mist);font-size:12px;font-weight:700;letter-spacing:.16em}.tools-page-content-zh .tools-eyebrow,.tools-page-content-zh .tools-section-kicker,.tools-page-content-zh .tools-index-title,.tools-page-content-zh .tools-boundary-title{color:var(--tools-accent);font-size:13px;letter-spacing:.08em}.tools-opening h1{margin-top:18px;color:var(--tools-ink);font-family:var(--tools-font-serif);font-size:clamp(44px,5.4vw,76px);font-weight:600;line-height:1.08;letter-spacing:0}.tools-opening-copy>p:last-child{max-width:660px;margin-top:24px;color:var(--tools-smoke);font-size:clamp(15px,1.15vw,17px);line-height:1.95}.tools-opening-meta{min-width:0;padding-top:12px;border-top:1px solid var(--tools-line)}.tools-opening-meta p{color:var(--tools-smoke);font-size:12px;font-weight:700;letter-spacing:.14em;line-height:1.8}.tools-opening-meta p+p{margin-top:8px;color:var(--tools-ink)}.tools-current{padding:0 0 clamp(48px,5vw,72px)}.tools-current-inner{padding-top:clamp(32px,4vw,48px);border-top:1px solid var(--tools-line)}.tools-current-panel{display:grid;grid-template-columns:minmax(70px,.38fr) minmax(0,1.5fr) minmax(210px,.72fr);gap:clamp(18px,4vw,54px);align-items:start;margin-top:26px}.tools-current-number{color:var(--tools-accent);font-size:15px;font-weight:800;letter-spacing:.12em}.tools-current-main{max-width:620px;min-width:0}.tools-current-main h2{color:var(--tools-ink);font-family:var(--tools-font-serif);font-size:clamp(30px,3.1vw,46px);font-weight:600;line-height:1.28;letter-spacing:0}.tools-current-main p{margin-top:18px;color:var(--tools-smoke);font-size:clamp(14px,1.08vw,16px);line-height:1.9}.tools-current-details{display:grid;gap:18px;margin:0;padding-left:clamp(18px,2.2vw,28px);border-left:1px solid var(--tools-line)}.tools-current-details div{min-width:0}.tools-current-details dt{color:var(--tools-mist);font-size:12px;font-weight:700;letter-spacing:.13em}.tools-current-details dd{margin-top:5px;color:var(--tools-ink);font-size:13px;line-height:1.65}.tools-index{padding:0 0 clamp(48px,4.9vw,68px)}.tools-index-inner{max-width:960px}.tools-index-head{display:grid;grid-template-columns:minmax(170px,.72fr) minmax(0,1.8fr);gap:clamp(22px,4vw,56px);align-items:baseline;padding-top:clamp(29px,3.5vw,44px);border-top:1px solid var(--tools-line)}.tools-index-title,.tools-boundary-title{display:flex;align-items:center;gap:10px;color:var(--tools-ink);font-size:12px;font-weight:800;letter-spacing:.14em}.tools-index-title:before,.tools-boundary-title:before{content:"";width:7px;height:7px;background:var(--tools-accent);flex:none}.tools-index-head p{max-width:600px;color:var(--tools-smoke);font-size:clamp(14px,1.08vw,16px);line-height:1.85}.tools-index-list{list-style:none;margin-top:clamp(28px,3vw,40px);border-top:1px solid var(--tools-line)}.tools-index-item article{display:grid;grid-template-columns:minmax(74px,.36fr) minmax(0,1.55fr) minmax(190px,.72fr);gap:clamp(18px,3.8vw,48px);align-items:baseline;padding:clamp(20px,2.4vw,28px) 0;border-bottom:1px solid var(--tools-line)}.tools-index-number{color:var(--tools-accent);font-size:12px;font-weight:800;letter-spacing:.12em}.tools-index-main{min-width:0}.tools-index-main h3{color:var(--tools-ink);font-family:var(--tools-font-serif);font-size:clamp(20px,1.7vw,25px);font-weight:600;line-height:1.35;letter-spacing:0}.tools-index-main p{max-width:580px;margin-top:9px;color:var(--tools-smoke);font-size:13px;line-height:1.8}.tools-index-meta{display:grid;gap:7px;color:var(--tools-smoke)}.tools-index-meta p,.tools-index-meta a{font-size:12px;font-weight:700;letter-spacing:.1em;line-height:1.55}.tools-index-status{color:var(--tools-ink)}.tools-index-entry{width:max-content;max-width:100%;padding-bottom:3px;border-bottom:1px solid var(--tools-accent);color:var(--tools-ink)}.tools-index-main a,.tools-index-main a:visited{color:var(--tools-ink);text-decoration:underline;text-decoration-color:#1b8c8b61;text-underline-offset:5px}.tools-index-main a:hover,.tools-index-main a:focus-visible{color:var(--tools-accent);text-decoration-color:var(--tools-accent)}a.tools-index-entry{display:inline-block;text-decoration:none}a.tools-index-entry:hover,a.tools-index-entry:focus-visible{border-bottom-color:var(--tools-accent);color:var(--tools-accent)}.tools-boundary{padding:0 0 clamp(52px,5vw,74px)}.tools-boundary-inner{max-width:960px;padding-top:clamp(29px,3.4vw,42px);border-top:1px solid var(--tools-line)}.tools-boundary-head{display:grid;grid-template-columns:minmax(170px,.72fr) minmax(0,1.8fr);gap:clamp(22px,4vw,56px);align-items:baseline}.tools-boundary-head p{max-width:620px;color:var(--tools-smoke);font-size:clamp(14px,1.08vw,16px);line-height:1.85}.tools-boundary-lists{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(24px,5vw,72px);margin-top:clamp(30px,3.5vw,44px);border-top:1px solid var(--tools-line)}.tools-boundary-lists section{padding-top:clamp(18px,2.2vw,26px)}.tools-boundary-lists h3{color:var(--tools-mist);font-size:12px;font-weight:800;letter-spacing:.14em}.tools-boundary-lists ul{list-style:none;margin-top:14px}.tools-boundary-lists li{padding:8px 0;border-bottom:1px solid rgba(216,216,216,.72);color:var(--tools-ink);font-size:14px;line-height:1.65}.tools-note{padding:clamp(58px,6vw,74px) 0;border-top:1px solid rgba(216,216,216,.82);background:var(--tools-bg)}.tools-note-inner{display:grid;grid-template-columns:repeat(12,minmax(0,1fr))}.tools-note-copy{grid-column:4 / 11;max-width:720px;padding-left:clamp(18px,2vw,26px);border-left:2px solid var(--tools-mist-soft)}.tools-note-kicker{display:flex;align-items:center;gap:10px;color:var(--tools-smoke);font-size:12px;font-weight:800;letter-spacing:.14em}.tools-note-kicker span{width:7px;height:7px;background:var(--tools-mist-soft)}.tools-note h2{margin-top:16px;color:var(--tools-ink);font-family:var(--tools-font-serif);font-size:clamp(27px,2.7vw,40px);font-weight:600;line-height:1.45;letter-spacing:0}.tools-note h2:after{content:"";display:block;width:28px;height:2px;margin-top:18px;background:var(--tools-mist-soft)}.tools-note-copy>p:last-child{max-width:620px;margin-top:16px;color:var(--tools-smoke);font-size:clamp(14px,1.1vw,16px);line-height:1.85}@media(max-width:900px){.tools-opening{padding:64px 0 50px}.tools-opening-inner,.tools-current-panel,.tools-index-head,.tools-boundary-head{grid-template-columns:1fr}.tools-opening-meta{max-width:420px}.tools-current-details{max-width:520px;padding-left:18px}.tools-index-inner,.tools-boundary-inner{max-width:none}.tools-index-item article{grid-template-columns:minmax(68px,.32fr) minmax(0,1fr);gap:12px 26px}.tools-index-meta{grid-column:2}.tools-boundary-lists{gap:28px}.tools-note-inner{grid-template-columns:1fr}.tools-note-copy{grid-column:1}}@media(max-width:640px){.tools-opening{padding:56px 0 42px}.tools-opening h1{font-size:clamp(38px,13vw,52px)}.tools-opening-copy>p:last-child,.tools-current-main p,.tools-index-head p,.tools-boundary-head p{font-size:14px;line-height:1.85}.tools-current{padding-bottom:46px}.tools-current-panel{gap:15px;margin-top:22px}.tools-current-details{border-left-color:#2444473d}.tools-index{padding-bottom:46px}.tools-index-item article{grid-template-columns:1fr;gap:9px;padding:19px 0}.tools-index-meta{grid-column:auto}.tools-index-entry{display:inline-flex;align-items:center;min-height:44px;width:fit-content;max-width:100%;justify-self:start}.tools-boundary{padding-bottom:50px}.tools-boundary-lists{grid-template-columns:1fr}.tools-note{padding:54px 0 58px}.tools-note-copy{padding-left:17px}.tools-opening-copy{padding-left:16px}}