.reference-content .breadcrumb{display: none;}.reference-content .jar-topic{
        --jar-blue: #075dcc;
        --jar-deep: #07386f;
        --jar-sky: #eaf5ff;
        --jar-soft: #f6faff;
        --jar-ink: #172b45;
        --jar-muted: #63748a;
        --jar-line: #dfe9f3;
        --jar-white: #fff;
        --jar-gold: #f2a900;
        --jar-shadow: 0 12px 34px rgba(24, 72, 126, 0.09);
      }.reference-content .jar-topic,.reference-content .jar-topic *{
        box-sizing: border-box;
      }.reference-content .jar-topic{
        background: #fff;
        color: var(--jar-ink);
        font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
      }.reference-content .jar-topic .menu-toggle span{background: #383838;}.reference-content .jar-topic{
        overflow: hidden;
        font-size: 15px;
        line-height: 1.7;
      }.reference-content .jar-topic + .site-footer{
        margin-top: 0 !important;
      }.reference-content .jar-topic img{
        display: block;
        max-width: 380px;
      }.reference-content .jar-container{
        width: min(1450px, calc(100% - 48px));
        margin: 0 auto;
      }.reference-content .jar-section,.reference-content .jar-hero-copy{
        padding: 70px 0;
      }.reference-content .jar-soft{
        background: var(--jar-soft);
      }.reference-content .jar-card{
        background: #fff;
        border: 1px solid var(--jar-line);
        border-radius: 10px;
        box-shadow: 0 6px 22px rgba(31, 75, 124, 0.045);
      }.reference-content .jar-kicker{
        margin: 0 0 8px;
        color: var(--jar-blue);
        font-size: 12px;
        font-weight: 800;
        letter-spacing: 0.15em;
      }.reference-content .jar-heading{
        margin-bottom: 29px;
      }.reference-content .jar-heading h2{
        margin: 0;
        color: var(--jar-ink);
        font-size: clamp(22px, 2.6vw, 32px);
        line-height: 1.28;
        font-weight: 800;
      }.reference-content .jar-heading p{
        max-width: 900px;
        margin: 10px 0 0;
        color: var(--jar-muted);
      }.reference-content .jar-heading .jar-line{
        display: block;
        width: 52px;
        height: 3px;
        margin: 0 0 15px;
        background: var(--jar-blue);
      }.reference-content .jar-btn{
        display: inline-flex;
        min-height: 46px;
        padding: 0 25px;
        align-items: center;
        justify-content: center;
        border: 1px solid var(--jar-blue);
        border-radius: 5px;
        background: var(--jar-blue);
        color: #fff !important;
        font: inherit;
        font-weight: 700;
        text-decoration: none;
        cursor: pointer;
        transition: 0.2s ease;
      }.reference-content .jar-btn:hover{
        transform: translateY(-2px);
        box-shadow: 0 9px 22px rgba(7, 93, 204, 0.22);
      }.reference-content .jar-btn.is-ghost{
        background: #fff;
        color: var(--jar-blue) !important;
      }.reference-content .jar-hero{
        position: relative;
        background:
          radial-gradient(circle at 78% 44%, rgba(84, 182, 255, 0.18), transparent 36%),
          linear-gradient(110deg, #f7fbff 0%, #e9f4ff 52%, #c9e6ff 100%);
      }.reference-content .jar-hero:before{
        content: "";
        position: absolute;
        inset: 0;
        opacity: 0.42;
        background-image:
          linear-gradient(rgba(50, 117, 183, 0.09) 1px, transparent 1px),
          linear-gradient(90deg, rgba(50, 117, 183, 0.09) 1px, transparent 1px);
        background-size: 44px 44px;
        mask-image: linear-gradient(90deg, transparent, #000);
      }.reference-content .jar-hero-inner{
        position: relative;
        display: grid;
        grid-template-columns: 1.08fr 0.92fr;
        min-height: 460px;
        align-items: center;
      }.reference-content .jar-hero h1{
        margin: 0;
        color: var(--jar-deep);
        font-size: clamp(44px, 5vw, 68px);
        line-height: 1.07;
        font-weight: 900;
      }.reference-content .jar-hero h1 span{
        color: var(--jar-blue);
      }.reference-content .jar-hero-desc{
        max-width: 650px;
        margin: 18px 0 25px;
        color: #4f6782;
        font-size: 17px;
      }.reference-content .jar-hero-actions{
        display: flex;
        gap: 12px;
      }.reference-content .jar-hero-visual{
        align-self: stretch;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 36px 0;
      }.reference-content .jar-hero-visual img{
        width: 100%;
        max-height: 360px;
        object-fit: contain;
        filter: drop-shadow(0 18px 20px rgba(19, 73, 124, 0.12));
      }.reference-content .jar-facts{
        position: relative;
        margin-top: -29px;
      }.reference-content .jar-fact-grid{
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        overflow: hidden;
      }.reference-content .jar-fact{
        padding: 20px 22px;
        text-align: center;
        border-right: 1px solid var(--jar-line);
      }.reference-content .jar-fact:last-child{
        border: 0;
      }.reference-content .jar-fact b{
        display: block;
        color: var(--jar-blue);
        font-size: 20px;
      }.reference-content .jar-fact span{
        color: var(--jar-muted);
        font-size: 12px;
      }.reference-content .jar-structure-grid{
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 22px;
      }.reference-content .jar-structure{
        display: grid;
        grid-template-columns: 42% 1fr;
        overflow: hidden;
        border-left: 4px solid var(--jar-blue);
      }.reference-content .jar-structure figure{
        height: 100%;
        margin: 0;
        padding: 18px;
        background: #f8fbff;
      }.reference-content .jar-structure figure img{
        width: 100%;
        object-fit: cover;
        object-position: left center;
      }.reference-content .jar-structure-body{
        padding: 27px 23px;
      }.reference-content .jar-tag{
        display: inline-block;
        padding: 3px 9px;
        background: #eaf3ff;
        color: var(--jar-blue);
        font-size: 11px;
        font-weight: 700;
      }.reference-content .jar-structure h3{
        margin: 9px 0 7px;
        color: var(--jar-deep);
        font-size: 23px;
      }.reference-content .jar-list{
        margin: 0;
        padding: 0;
        list-style: none;
        color: var(--jar-muted);
        font-size: 13px;
      }.reference-content .jar-list li{
        position: relative;
        padding: 4px 0 4px 17px;
      }.reference-content .jar-list li:before{
        content: "";
        position: absolute;
        left: 0;
        top: 13px;
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--jar-blue);
      }.reference-content .jar-principle{
        display: grid;
        grid-template-columns: 0.72fr 1.28fr;
        gap: 30px;
        margin-top: 34px;
        padding: 28px;
        align-items: center;
        background: #e6edf9;
      }.reference-content .jar-principle h3{
        margin: 0;
        color: var(--jar-deep);
        font-size: 28px;
      }.reference-content .jar-principle p{
        margin: 8px 0 19px;
        color: var(--jar-muted);
      }.reference-content .jar-process{
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 11px;
      }.reference-content .jar-process div{
        padding: 16px 13px;
        border-top: 3px solid var(--jar-blue);
        background: #fff;
      }.reference-content .jar-process b{
        display: block;
        color: var(--jar-blue);
        font-size: 12px;
      }.reference-content .jar-process strong{
        display: block;
        margin-top: 3px;
        color: #334860;
        font-size: 14px;
      }.reference-content .jar-process small{
        color: var(--jar-muted);
      }.reference-content .jar-five{
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: 0;
        margin-top: 35px;
      }.reference-content .jar-five-item{
        position: relative;
        padding: 0 14px;
        text-align: center;
      }.reference-content .jar-five-item:after{
        content: "";
        position: absolute;
        top: 22px;
        left: 60%;
        width: 80%;
        height: 1px;
        background: #a9c5e1;
      }.reference-content .jar-five-item:last-child:after{
        display: none;
      }.reference-content .jar-five-item b{
        position: relative;
        z-index: 1;
        display: grid;
        width: 45px;
        height: 45px;
        margin: 0 auto 11px;
        place-items: center;
        border: 1px solid #9bc0e6;
        border-radius: 50%;
        background: #fff;
        color: var(--jar-blue);
      }.reference-content .jar-five-item strong,.reference-content .jar-media strong{
        display: block;
        color: var(--jar-deep);
        font-size: 14px;
      }.reference-content .jar-five-item span{
        display: block;
        margin-top: 4px;
        color: var(--jar-muted);
        font-size: 11px;
      }.reference-content .jar-questions{
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 14px;
        margin-bottom: 23px;
      }.reference-content .jar-question{
        padding: 18px;
        border-top: 3px solid var(--jar-blue);
      }.reference-content .jar-question b{
        color: var(--jar-blue);
        font-size: 12px;
      }.reference-content .jar-question h3{
        margin: 4px 0;
        color: var(--jar-deep);
        font-size: 16px;
      }.reference-content .jar-question p,.reference-content .jar-material p,.reference-content .jar-condition p{
        margin: 0;
        color: var(--jar-muted);
        font-size: 12px;
      }.reference-content .jar-material-grid{
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
      }.reference-content .jar-material{
        display: grid;
        grid-template-columns: 140px 1fr;
        min-height: 170px;
        overflow: hidden;
        border-bottom: 3px solid #1594d5;
      }.reference-content .jar-material figure{
        display: flex;
        align-items: center;
        margin: 0;
        background: #fbfdff;
        justify-content: center;
      }.reference-content .jar-material img{
        width: 92%;
      }.reference-content .jar-material-body{
        padding: 18px 15px;
      }.reference-content .jar-material-body small{
        display: inline-block;
        padding: 2px 7px;
        background: #edf5ff;
        color: var(--jar-blue);
        font-weight: 700;
      }.reference-content .jar-material h3{
        margin: 7px 0 2px;
        color: var(--jar-deep);
        font-size: 17px;
      }.reference-content .jar-material em{
        display: block;
        margin-top: 9px;
        color: #31648f;
        font-size: 11px;
        font-style: normal;
        font-weight: 700;
      }.reference-content .jar-comparison{
        margin-top: 26px;
      }.reference-content .jar-table-wrap{
        overflow-x: auto;
        border: 1px solid var(--jar-line);
        border-radius: 8px;
      }.reference-content .jar-table{
        width: 100%;
        min-width: 710px;
        border-collapse: collapse;
        background: #fff;
        font-size: 13px;
      }.reference-content .jar-comparison .jar-table{
        min-width: 1050px;
      }.reference-content .jar-ball-note{
        min-width: 380px;
        line-height: 1.65;
        text-align: left !important;
      }.reference-content .jar-ball-note strong{
        color: var(--jar-deep);
      }.reference-content .jar-table th{
        padding: 12px 10px;
        background: var(--jar-blue);
        color: #fff;
        text-align: center;
      }.reference-content .jar-table td{
        padding: 11px 10px;
        border-top: 1px solid var(--jar-line);
        color: #44566c;
        text-align: center;
      }.reference-content .jar-table tbody tr:nth-child(even){
        background: #f7faff;
      }.reference-content .jar-warning{
        margin-top: 19px;
        padding: 16px 20px;
        border-left: 4px solid var(--jar-gold);
        background: #fff8e8;
        color: #705a26;
        font-size: 13px;
      }.reference-content .jar-volume-scale{
        display: flex;
        align-items: end;
        justify-content: space-between;
        gap: 16px;
        padding: 30px 28px 21px;
      }.reference-content .jar-volume{
        text-align: center;
        flex: 1;
      }.reference-content .jar-volume-shape{
        width: clamp(24px, var(--w), 86px);
        height: clamp(34px, var(--h), 118px);
        margin: auto;
        border: 2px solid #8eb1d2;
        border-radius: 9px 9px 14px 14px;
        background: linear-gradient(#fff, #e7f4ff);
      }.reference-content .jar-volume strong{
        display: block;
        margin-top: 8px;
        color: #315574;
        font-size: 12px;
      }.reference-content .jar-fill-layout{
        display: grid;
        grid-template-columns: 0.8fr 1.2fr;
        gap: 22px;
        margin-top: 24px;
      }.reference-content .jar-fill-card,.reference-content .jar-advice{
        padding: 25px;
      }.reference-content .jar-fill-card h3,.reference-content .jar-advice h3{
        margin: 0 0 14px;
        color: var(--jar-deep);
        font-size: 19px;
      }.reference-content .jar-fill-visual{
        overflow: hidden;
        border: 3px solid #5e8db7;
        border-radius: 12px 12px 28px 28px;
        max-width: 300px; margin: auto;
      }.reference-content .jar-fill-visual div{
        padding: 8px 12px;
        text-align: center;
        font-size: 12px;
        font-weight: 700;
      }.reference-content .jar-fill-visual .free{
        height: 42px;
        background: #fff;
        color: #53718d;
      }.reference-content .jar-fill-visual .media{
        height: 58px;
        background: #d7eaff;
        color: #25659e;
      }.reference-content .jar-fill-visual .material{
        height: 46px;
        background: #a8c9e7;
        color: #174b78;
      }.reference-content .jar-advice-grid{
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
      }.reference-content .jar-advice-grid div{
        padding: 13px;
        background: #eff6ff;
        border-left: 3px solid var(--jar-blue);
        color: #38556f;
        font-size: 12px;
      }.reference-content .jar-parameter-group{
        margin-top: 28px;
      }.reference-content .jar-parameter-heading{
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        margin: 0 0 12px;
      }.reference-content .jar-parameter-heading h3{
        margin: 0;
        color: var(--jar-blue);
        font-size: 16px;
      }.reference-content .jar-parameter-heading h3::before{
        content: "";
        display: inline-block;
        width: 9px;
        height: 9px;
        margin-right: 10px;
        background: var(--jar-blue);
      }.reference-content .jar-parameter-heading p{
        margin: 0;
        color: #45627f;
        font-size: 12px;
        text-align: right;
      }.reference-content .jar-parameter-table--vertical{
        min-width: 1500px;
      }.reference-content .jar-parameter-table--horizontal{
        min-width: 1120px;
      }.reference-content .jar-parameter-table th[scope="row"]{
        background: #f5f7fa;
        color: var(--jar-deep);
      }.reference-content .jar-parameter-table tbody tr:nth-child(2) th[scope="row"],.reference-content .jar-parameter-table tbody tr:nth-child(2) td{
        background: #e8f0ff;
      }.reference-content .jar-condition-grid{
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
        margin-top: 26px;
      }.reference-content .jar-condition{
        padding: 22px;
        border-top: 4px solid var(--jar-blue);
      }.reference-content .jar-condition b{
        display: inline-block;
        color: var(--jar-blue);
        font-size: 11px;
        letter-spacing: 0.08em;
      }.reference-content .jar-condition h3{
        margin: 4px 0 8px;
        color: var(--jar-deep);
        font-size: 19px;
      }.reference-content .jar-equipment{
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 18px;
        margin-top: 29px;
      }.reference-content .jar-equipment article{
        display: grid;
        grid-template-columns: 128px 1fr;
        gap: 16px;
        padding: 22px;
      }.reference-content .jar-equipment .jar-img{
        width: 100%px;
        padding: 11px;
        border-radius: 50%;
        background: #eaf4ff;
        color: var(--jar-blue);
      }.reference-content .jar-equipment .jar-img img{
        width: 100%;
      }.reference-content .jar-equipment h3{
        margin: 0;
        color: var(--jar-deep);
        font-size: 18px;
      }.reference-content .jar-equipment p{
        margin: 5px 0 0;
        color: var(--jar-muted);
        font-size: 12px;
      }.reference-content .jar-media-grid{
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        gap: 13px;
      }.reference-content .jar-media{
        padding: 18px 10px;
        text-align: center;
        border-top: 3px solid var(--jar-blue);
      }.reference-content .jar-sphere{
        width: 74px;
        height: 74px;
        margin: 0 auto 11px;
        border-radius: 50%;
        box-shadow:
          inset -10px -12px 17px rgba(0, 0, 0, 0.16),
          inset 10px 10px 15px rgba(255, 255, 255, 0.55),
          0 7px 13px rgba(25, 59, 91, 0.12);
      }.reference-content .jar-media span{
        color: var(--jar-muted);
        font-size: 11px;
      }.reference-content .jar-match{
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 22px;
        margin-top: 25px;
      }.reference-content .jar-match-box{
        padding: 24px;
      }.reference-content .jar-match-box h3{
        margin: 0 0 15px;
        color: var(--jar-deep);
      }.reference-content .jar-match-list{
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 11px;
      }.reference-content .jar-match-list div{
        padding: 13px;
        border-left: 3px solid var(--jar-blue);
        background: #f1f7ff;
        font-size: 12px;
      }.reference-content .jar-ball-combo{
        display: flex;
        align-items: end;
        justify-content: center;
        gap: 8px;
        min-height: 130px;
      }.reference-content .jar-ball-combo i{
        display: block;
        width: var(--s);
        height: var(--s);
        border-radius: 50%;
        background: radial-gradient(
          circle at 35% 30%,
          #fff,
          #8cb7dd 63%,
          #4d7eaa
        );
        box-shadow: 0 5px 10px rgba(29, 68, 105, 0.17);
      }.reference-content .jar-app-grid{
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        gap: 13px;
        margin-top: 28px;
      }.reference-content .jar-app{
        padding: 18px 8px;
        text-align: center;
        border-bottom: 3px solid var(--jar-blue);
      }.reference-content .jar-app svg{
        width: 32px;
        height: 32px;
        color: var(--jar-blue);
      }.reference-content .jar-app strong{
        display: block;
        margin-top: 6px;
        color: var(--jar-deep);
        font-size: 13px;
      }
      @media (max-width: 1100px) {.reference-content .jar-material-grid{
          grid-template-columns: 1fr 1fr;
        }.reference-content .jar-media-grid,.reference-content .jar-app-grid{
          grid-template-columns: repeat(3, 1fr);
        }
      }
      @media (max-width: 768px) {.reference-content .jar-topic{margin-top: 75px;}.reference-content .jar-container{
          width: min(100% - 28px, 90%);
        }.reference-content .jar-section{
          padding: 49px 0;
        }.reference-content .jar-hero-inner{
          grid-template-columns: 1fr;
        }.reference-content .jar-hero-copy{
          padding: 49px 0 5px;
          text-align: center;
        }.reference-content .jar-hero h1{
          font-size: 41px;
        }.reference-content .jar-hero-desc{
          margin-left: auto;
          margin-right: auto;
        }.reference-content .jar-hero-actions{
          justify-content: center;
        }.reference-content .jar-hero-visual{
          padding: 15px 0 36px;
        }.reference-content .jar-hero-visual img{
          max-height: 270px;
        }.reference-content .jar-facts{
          margin-top: 0;
        }.reference-content .jar-fact-grid{
          grid-template-columns: 1fr 1fr;
        }.reference-content .jar-fact:nth-child(2){
          border-right: 0;
        }.reference-content .jar-fact:nth-child(-n + 2){
          border-bottom: 1px solid var(--jar-line);
        }.reference-content .jar-structure-grid,.reference-content .jar-principle,.reference-content .jar-fill-layout,.reference-content .jar-match{
          grid-template-columns: 1fr;
        }.reference-content .jar-structure{
          grid-template-columns: 1fr 1fr; 
        }.reference-content .jar-principle{
          grid-template-columns: 1fr;
          text-align: center;
        }.reference-content .jar-principle img{margin: auto;}.reference-content .jar-process{
          grid-template-columns: 1fr 1fr;
          text-align: left;
        }.reference-content .jar-five{
          grid-template-columns: 1fr;
          gap: 14px;
        }.reference-content .jar-five-item{
          display: grid;
          grid-template-columns: 45px 1fr;
          gap: 12px;
          text-align: left;
        }.reference-content .jar-five-item:after{
          left: 36px;
          top: 45px;
          width: 1px;
          height: 28px;
        }.reference-content .jar-five-item b{
          margin: 0;
        }.reference-content .jar-questions{
          grid-template-columns: 1fr 1fr;
        }.reference-content .jar-material-grid{
          grid-template-columns: 1fr;
        }.reference-content .jar-volume-scale{
          grid-template-columns: repeat(5, 1fr);
          display: grid;
          justify-content: flex-start;
        }.reference-content .jar-volume{
          min-width: 75px;
        }.reference-content .jar-condition-grid,.reference-content .jar-equipment{
          grid-template-columns: 1fr;
        }.reference-content .jar-media-grid,.reference-content .jar-app-grid{
          grid-template-columns: 1fr 1fr;
        }.reference-content .jar-match-list{grid-template-columns: repeat(2, 1fr);}.reference-content .jar-heading p{ font-size: 12px; line-height: 1.4;}.reference-content .jar-parameter-heading p{display: none;}
      }
      @media (max-width: 480px) {.reference-content .jar-hero h1{
          font-size: 34px;
        }.reference-content .jar-hero-actions{
          display: grid;
        }.reference-content .jar-btn{
          width: 100%;
        }.reference-content .jar-questions,.reference-content .jar-process,.reference-content .jar-media-grid,.reference-content .jar-app-grid,.reference-content .jar-advice-grid,.reference-content .jar-match-list{
          grid-template-columns: 1fr;
        }.reference-content .jar-material{
          grid-template-columns: 95px 1fr;
        }.reference-content .jar-fact b{font-size: 15px;}.reference-content .jar-structure{grid-template-columns: 1fr;}.reference-content .jar-structure figure img{width: auto; margin: auto;}.reference-content .jar-volume-scale{
          grid-template-columns: repeat(3, 1fr);}.reference-content .jar-topic img{max-width: 100%;}.reference-content .jar-principle{padding: 8px;}
      }