:root{--pressure-ink:#183247;--pressure-muted:#607381;--pressure-teal:#177f78;--pressure-orange:#d8662b;--pressure-blue:#2577a9;--pressure-line:#d7e5ea}
*{box-sizing:border-box}body.pressure-page{margin:0;min-height:100vh;overflow-x:hidden;color:var(--pressure-ink);background:linear-gradient(180deg,#f5fbfd,#edf5f6);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif}
.pressure-main{width:min(1320px,calc(100% - 32px));margin:0 auto;padding:12px 0 22px}body.pressure-page.xinyu-tool .tool-heading{padding:4px 0 10px;text-align:center}.pressure-page .eyebrow{margin:0 0 3px;color:#317793;font-size:11px;font-weight:900}body.pressure-page.xinyu-tool .tool-heading h1{margin:0;color:#15344c;font-size:clamp(27px,3vw,40px);letter-spacing:-.03em;text-wrap:balance}.pressure-page .lead{max-width:880px;margin:5px auto 0;color:var(--pressure-muted);font-size:13px;font-weight:650}.pressure-page .chips{display:flex;justify-content:center;gap:6px;margin-top:7px}.pressure-page .chip{padding:3px 8px;border:1px solid #c9dce4;border-radius:999px;color:#426276;background:#fff;font-size:10px;font-weight:850}
.pressure-lab{display:grid;grid-template-columns:minmax(0,1fr) 330px;min-height:470px;overflow:hidden;border:1px solid var(--pressure-line);border-radius:18px;background:#fff;box-shadow:0 18px 50px rgba(35,75,92,.12)}.pressure-lab .stage{min-width:0;border-right:1px solid #e0eaee}.pressure-lab .stage-head{min-height:58px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:9px 16px;border-bottom:1px solid #e1eaed;background:#f7fbfc}.stage-kicker{margin:0 0 2px;color:#2f7b86;font-size:9px;font-weight:900;letter-spacing:.1em}.pressure-lab .stage-title{margin:0;color:#173b51;font-size:18px}.pressure-lab .stage-meta{margin:0;color:#5b7481;font-size:11px;font-weight:850;text-align:right}.permanent-truth{margin:8px 14px 0;padding:7px 10px;border-left:3px solid #e4a64e;border-radius:8px;color:#6c5a3b;background:#fff9ec;font-size:10px;font-weight:750}
.platform-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;padding:8px 14px 0}.platform-card{min-width:0;padding:8px 9px;border:1px solid #dbe6ea;border-radius:14px;background:linear-gradient(155deg,#fff,#f4fafb)}.platform-card>header{min-height:37px;display:grid;grid-template-columns:29px minmax(0,1fr) auto;align-items:center;gap:6px}.trial-letter{width:27px;height:27px;display:grid;place-items:center;border-radius:50%;color:#fff;background:var(--pressure-teal);font-size:14px;font-weight:950}.trial-letter.is-b{background:var(--pressure-orange)}.trial-conditions{min-width:0;margin:0;color:#526b79;font-size:10px;line-height:1.3;font-weight:800}.pressure-readout{min-width:53px;color:#204b64;font-size:18px;text-align:right;white-space:nowrap}
.apparatus{height:122px;display:grid;grid-template-columns:64px minmax(0,1fr) 27px;align-items:center;gap:6px;margin-top:3px;padding:6px;border-radius:11px;background:linear-gradient(145deg,#edf6f7,#f8fbfc)}.force-column{position:relative;height:108px;display:flex;align-items:center;flex-direction:column}.force-value{color:#425f70;font-size:10px;font-weight:900}.down-force{position:relative;flex:0 0 var(--force-length,0);width:3px;height:var(--force-length,0);margin-top:3px;border-radius:3px;background:#c45622}.down-force::after{position:absolute;left:50%;bottom:-1px;border-left:6px solid transparent;border-right:6px solid transparent;border-top:9px solid #c45622;content:"";transform:translateX(-50%)}.load-head{position:absolute;bottom:4px;padding:3px 5px;border:1px solid #8faab4;border-radius:4px;color:#355465;background:#dce9ed;font-size:8px;font-weight:900;white-space:nowrap}
.contact-views{min-width:0;display:grid;grid-template-columns:minmax(128px,1.25fr) minmax(90px,.75fr);gap:6px}.top-view,.effect-view{min-width:0;height:102px;display:grid;place-items:center;padding:4px 5px;border:1px solid #d7e4e8;border-radius:9px;background:#fff}.top-view>span,.effect-view>span{color:#6b7d87;font-size:8px;font-weight:850}.contact-grid{height:48px;width:var(--area-width,0);border:2px solid #37798a;background:repeating-linear-gradient(90deg,transparent 0 11px,rgba(49,113,132,.28) 11px 12px),repeating-linear-gradient(0deg,#dceef0 0 11px,rgba(49,113,132,.28) 11px 12px)}.area-dimension{color:#245f70;font-size:8px;line-height:1;font-weight:900;white-space:nowrap}.effect-pad{width:92%;height:34px;border:2px solid #7894a0;border-radius:7px;background:repeating-linear-gradient(90deg,#dce9df 0 var(--texture-step,14px),#bfd0c3 var(--texture-step,14px) calc(var(--texture-step,14px) + 1px));box-shadow:inset 0 calc(var(--effect-depth,0px)*-1) 0 rgba(44,94,78,.32);transform:translateY(var(--effect-depth,0px))}.pressure-scale{height:100px;display:grid;grid-template-rows:auto 1fr auto;place-items:center;gap:3px;color:#59707e;font-size:8px;font-weight:900}.pressure-scale>div{position:relative;width:9px;height:73px;overflow:hidden;border:1px solid #9bb2ba;border-radius:6px;background:#fff}.pressure-scale i{position:absolute;left:0;right:0;bottom:0;height:var(--pressure-fill,0%);background:linear-gradient(180deg,#f2aa60,#d7622b)}.pressure-scale b{font-size:7px;white-space:nowrap;writing-mode:vertical-rl}
.calculation-slot{min-height:48px;display:grid;align-content:center;gap:2px;margin-top:5px;padding:4px 6px;border-radius:8px;background:#f3f7fa}.calculation-line{margin:0;color:#38596c;font-size:9px;font-weight:850;line-height:1.35;white-space:nowrap;letter-spacing:-.02em}.comparison-readouts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin:7px 14px 0}.comparison-readouts span{display:flex;align-items:center;justify-content:center;gap:8px;min-height:38px;border:1px solid #cfe0e5;border-radius:10px;color:#5b6f7b;background:#f4f9fa;font-size:10px;font-weight:850}.comparison-readouts strong{color:#194c65;font-size:18px}.local-conclusion{min-height:34px;display:grid;place-items:center;margin:7px 14px 10px;padding:6px 9px;border-radius:9px;color:#174f49;background:#e8f6f1;font-size:10px;font-weight:850;text-align:center}.local-conclusion[hidden]{display:none}
.pressure-lab .control-panel{min-width:0;padding:14px;background:#fbfdfd}.control-title span{color:#38808a;font-size:9px;font-weight:900}.control-title h2{margin:3px 0 10px;color:#213e52;font-size:20px;line-height:1.22;text-wrap:balance}.preset-grid{display:grid;gap:7px}.preset-button{min-height:58px;display:grid;grid-template-columns:1fr;gap:2px;width:100%;padding:8px 10px;border:1px solid #d3e1e5;border-radius:10px;color:#2e4e60;background:#fff;text-align:left;cursor:pointer}.preset-button strong{font-size:12px}.preset-button span{color:#697c88;font-size:8px;font-weight:750}.preset-button.active{border-color:#3b958d;box-shadow:inset 3px 0 #21877d;background:#f1faf7}.preset-button.is-complete::after{color:#248277;content:"已完成";font-size:8px;font-weight:900}.action-row{display:grid;grid-template-columns:minmax(0,1fr) 72px;gap:7px;margin-top:9px}.action-row button{min-height:44px;border-radius:9px;font:inherit;font-size:11px;font-weight:900;cursor:pointer}.primary-action{border:1px solid #176f68;color:#fff;background:#177f76}.reset-button{border:1px solid #cddbe0;color:#496270;background:#fff}.primary-action:disabled{opacity:.55;cursor:default}.question{min-height:45px;display:grid;place-items:center;margin:9px 0 0;padding:7px 9px;border-radius:9px;color:#536c79;background:#eef5f7;font-size:10px;font-weight:800;text-align:center}.overall-conclusions{margin-top:9px;padding:9px;border:1px solid #cbe1da;border-radius:10px;color:#315f59;background:#eff9f5}.overall-conclusions[hidden]{display:none}.overall-conclusions strong{font-size:10px}.overall-conclusions p{margin:4px 0 0;font-size:9px;line-height:1.4;font-weight:750}.scope-note{margin:9px 0 0;color:#76868e;font-size:9px;line-height:1.5;font-weight:750}.pressure-page .classroom-screen-toggle{min-height:44px}.pressure-page .fullscreen-button{width:44px;height:44px;flex-basis:44px}
@media(max-width:980px){.pressure-main{width:calc(100% - 24px)}.pressure-lab{grid-template-columns:1fr}.pressure-lab .stage{border-right:0;border-bottom:1px solid #e0eaee}.pressure-lab .control-panel{display:grid;grid-template-columns:145px minmax(0,1fr);gap:8px 12px}.control-title{grid-row:1/4}.preset-grid{grid-column:2}.action-row,.question,.overall-conclusions,.scope-note{grid-column:1/-1;margin-top:0}}
@media(max-width:720px){.pressure-page .tool-heading h1{font-size:25px}.platform-pair{grid-template-columns:1fr}.pressure-lab .control-panel{display:block}.preset-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.preset-button{min-height:64px;padding:7px 5px;text-align:center}.preset-button span{font-size:7px}.action-row,.question,.scope-note{margin-top:8px}.calculation-line{font-size:10px}.apparatus{height:116px}}
@media(max-width:430px){.pressure-main{width:calc(100% - 16px);padding-top:8px}body.pressure-page.xinyu-tool .tool-heading{padding:0 0 8px}.pressure-page .tool-heading h1{font-size:22px;line-height:1.24;text-wrap:balance}.pressure-page .lead{font-size:11px}.pressure-lab{border-radius:14px}.pressure-lab .stage-head{padding:8px 10px}.pressure-lab .stage-title{font-size:15px}.stage-meta{max-width:118px}body.pressure-page.xinyu-tool .permanent-truth{margin:7px 8px 0;font-size:10px}.platform-pair{gap:7px;padding:7px 8px 0}.platform-card{padding:6px 7px}.platform-card>header{min-height:36px}.trial-conditions{font-size:10px}.pressure-readout{font-size:16px}.apparatus{grid-template-columns:58px minmax(0,1fr) 28px}.top-view>span,.effect-view>span,.area-dimension{font-size:10px}.pressure-scale{position:relative;display:block;height:108px;font-size:10px}.pressure-scale>span{position:absolute;top:0;left:50%;transform:translateX(-50%)}.pressure-scale>div{position:absolute;top:22px;left:1px;height:72px}.pressure-scale b{position:absolute;top:22px;right:0;font-size:10px;line-height:1;writing-mode:vertical-rl}.calculation-line{font-size:10px}.comparison-readouts{gap:7px;margin:7px 8px 0}.comparison-readouts strong{font-size:17px}.local-conclusion{margin:7px 8px 9px;font-size:10px}.pressure-lab .control-panel{padding:10px}.control-title h2{font-size:17px}.preset-grid{grid-template-columns:1fr;gap:5px}.preset-button{min-height:44px;grid-template-columns:105px minmax(0,1fr);align-items:center;padding:7px 9px;text-align:left}.preset-button strong{font-size:10px}.preset-button span{font-size:10px;line-height:1.25;text-align:right;white-space:nowrap}.action-row button{min-height:44px}.question{min-height:40px}body.pressure-page.xinyu-tool #overallConclusions p{font-size:10px;line-height:1.45}.scope-note{font-size:10px}.pressure-page .chips{margin-top:5px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}