*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{background:#ffffff;color:#1d1d1f;font-family:'Instrument Sans','Noto Sans SC','PingFang SC','Microsoft YaHei UI',sans-serif;-webkit-font-smoothing:antialiased}
a{color:#1d1d1f;text-decoration:none}
a:hover{color:#000000}
details summary::-webkit-details-marker{display:none}
img{max-width:100%}

.wrap{position:relative;min-height:100vh;overflow:hidden;background:#ffffff}
.blobs{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:0}
.blob{position:absolute;border-radius:50%}

.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(24px) saturate(1.4);-webkit-backdrop-filter:blur(24px) saturate(1.4);background:rgba(255,255,255,.72);border-bottom:1px solid rgba(0,0,0,.07)}
.nav-inner{display:flex;align-items:center;gap:24px;max-width:1120px;height:56px;margin:0 auto;padding:0 24px}
.nav-inner img{width:28px;height:28px;border-radius:8px;box-shadow:0 6px 18px rgba(0,0,0,.12)}
.nav-links{display:flex;align-items:center;gap:22px;font-size:13px;color:#52525b}
.nav-links a{color:#52525b}
.nav-brand{display:flex;align-items:center}
/* 横向产品导航（贾维斯为首个产品，后续产品横向扩展） */
.product-tabs{display:flex;align-items:center;gap:6px}
.product-tab{padding:7px 15px;border-radius:99px;font-size:13.5px;font-weight:650;color:#52525b;white-space:nowrap;transition:background .15s,color .15s}
.product-tab.active{background:#111113;color:#fff;border:1px solid #111113;box-shadow:0 4px 12px rgba(0,0,0,.14)}
.product-tab:not(.active):not(.product-tab--soon):hover{color:#111113;background:rgba(0,0,0,.05)}
.product-tab--soon{color:#9a9aa0;font-weight:500;font-size:12px;cursor:default;border:1px dashed rgba(0,0,0,.14)}
/* 纵向分级导航（右侧浮动，滚动高亮） */
.side-nav{position:fixed;top:50%;right:20px;transform:translateY(-50%);z-index:40;display:flex;flex-direction:column;gap:2px;padding:8px;border-radius:16px;background:rgba(255,255,255,.75);border:1px solid rgba(0,0,0,.07);backdrop-filter:blur(20px) saturate(1.4);-webkit-backdrop-filter:blur(20px) saturate(1.4);box-shadow:0 16px 40px rgba(0,0,0,.1)}
.side-nav__item{display:flex;align-items:center;gap:9px;padding:8px 13px 8px 11px;border-radius:11px;font-size:12.5px;font-weight:600;color:#77787e;transition:color .15s,background .15s}
.side-nav__item:hover{color:#111113;background:rgba(0,0,0,.04)}
.side-nav__dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.55;flex:none;transition:transform .18s,opacity .18s,background .18s}
.side-nav__item.active{color:#111113;background:rgba(0,0,0,.05)}
.side-nav__item.active .side-nav__dot{opacity:1;transform:scale(1.6);background:#ff9256;box-shadow:0 0 10px rgba(255,146,86,.6)}
@media (max-width:1180px){ .side-nav{display:none} }
@media (max-width:640px){ .product-tab--soon{display:none} }
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:99px;font-weight:650;white-space:nowrap}
.btn-light{background:#111113;color:#ffffff;box-shadow:0 8px 20px rgba(0,0,0,.16)}
.btn-ghost{background:rgba(0,0,0,.04);color:#111113;font-weight:600;border:1px solid rgba(0,0,0,.12);backdrop-filter:blur(12px)}

section{position:relative}
.hero{padding:88px 24px 0;text-align:center}
.hero-inner{max-width:1120px;margin:0 auto}
.eyebrow{font-size:15px;font-weight:600;color:#86868b;letter-spacing:-.01em}
h1{max-width:900px;margin:14px auto 0;font-size:64px;font-weight:760;letter-spacing:-.045em;line-height:1.02;text-wrap:balance;background:linear-gradient(180deg,#111113,#3a3a3f);-webkit-background-clip:text;background-clip:text;color:transparent}
.subcopy{max-width:640px;margin:18px auto 0;font-size:19px;font-weight:450;color:#5f6067;letter-spacing:-.015em;line-height:1.45}
.hero-actions{display:flex;justify-content:center;gap:12px;margin-top:28px;flex-wrap:wrap}
.chips{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:24px}
.chip{padding:6px 14px;border-radius:99px;background:rgba(0,0,0,.04);border:1px solid rgba(0,0,0,.09);font-size:12px;font-weight:600;color:#3a3a3f}
.chip--muted{color:#9a9aa0}

.section-head{max-width:720px;margin:0 auto;text-align:center}
.overview{padding:120px 24px 0}
.overview h2{font-size:40px;font-weight:740;letter-spacing:-.035em;line-height:1.1;text-wrap:balance;margin:0}
.overview p{max-width:640px;margin:14px auto 0;font-size:16px;color:#5f6067;line-height:1.6}

.office-studio{padding:116px 24px 0;background:#fff}
.office-studio__inner{max-width:1200px;margin:0 auto}
.office-studio__intro{display:grid;grid-template-columns:minmax(0,.95fr) minmax(420px,1.05fr);gap:88px;align-items:end}
.office-studio__eyebrow{display:inline-flex;align-items:center;gap:10px;color:#e2582f;font-size:13px;font-weight:720}
.office-studio__eyebrow::before{content:"";width:28px;height:2px;background:#e2582f}
.office-studio h2{max-width:560px;margin:14px 0 0;font-size:46px;line-height:1.12;letter-spacing:0;font-weight:760;text-wrap:balance}
.office-studio__intro p{margin:0;color:#5f6067;font-size:16px;line-height:1.8}

.office-stage{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(340px,.85fr);gap:20px;margin-top:48px;align-items:stretch}
.office-workbench{min-width:0;margin:0;overflow:hidden;border:1px solid rgba(0,0,0,.12);border-radius:8px;background:#171719;box-shadow:0 28px 70px rgba(0,0,0,.14)}
.office-workbench__bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:44px;padding:0 16px;border-bottom:1px solid rgba(255,255,255,.09);color:#8f8f96;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:10px}
.office-workbench__bar>i{display:flex;align-items:center;gap:7px;color:#c4c4ca;font-family:'Instrument Sans','Noto Sans SC','PingFang SC','Microsoft YaHei UI',sans-serif;font-size:11px;font-style:normal}
.office-workbench__bar>i>b{width:6px;height:6px;border-radius:50%;background:#22c55e;box-shadow:0 0 10px rgba(34,197,94,.7)}
.office-workbench>img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;object-position:top center}
.office-workbench>figcaption{padding:12px 16px;color:#aaaab1;border-top:1px solid rgba(255,255,255,.08);font-size:11.5px;line-height:1.55}

.office-output{display:flex;min-width:0;flex-direction:column;justify-content:space-between;overflow:hidden;padding:30px 28px 20px;border:1px solid rgba(0,0,0,.09);border-radius:8px;background:#f4f5f7}
.office-output__copy>span{color:#e2582f;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:10px;font-weight:700}
.office-output__copy h3{margin:10px 0 0;font-size:25px;line-height:1.25;letter-spacing:0;font-weight:740;text-wrap:balance}
.office-output__copy p{margin:12px 0 0;color:#65666d;font-size:13px;line-height:1.7}
.office-output__stats{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:30px;padding-top:22px;border-top:1px solid #d7d8dc}
.office-output__stats>div{display:flex;flex-direction:column;gap:3px;padding-right:18px}
.office-output__stats>div+div{padding-left:18px;border-left:1px solid #d7d8dc}
.office-output__stats b{font-size:34px;line-height:1;font-weight:760}
.office-output__stats span{color:#73747b;font-size:11px}
.office-output__stats p{grid-column:1/-1;margin:20px 0 0;color:#73747b;font-size:11.5px;line-height:1.65}

.office-cases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:28px}
.office-case{min-width:0;padding:0;overflow:hidden;border:1px solid rgba(0,0,0,.1);border-radius:8px;background:#fff;color:#1d1d1f;text-align:left;font-family:inherit;cursor:pointer;box-shadow:0 12px 34px rgba(0,0,0,.06);transition:transform .18s,box-shadow .18s,border-color .18s}
.office-case:hover{transform:translateY(-3px);border-color:rgba(0,0,0,.2);box-shadow:0 20px 46px rgba(0,0,0,.1)}
.office-case:focus-visible{outline:2px solid #1464f4;outline-offset:3px}
.office-case__media{position:relative;display:block;overflow:hidden;aspect-ratio:16/9;background:#f1f2f4;border-bottom:1px solid rgba(0,0,0,.08)}
.office-case__media img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.office-case:hover .office-case__media img{transform:scale(1.015)}
.office-case__media i{position:absolute;right:14px;bottom:14px;display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:rgba(17,17,19,.88);color:#fff;font-size:13px;font-style:normal;box-shadow:0 10px 24px rgba(0,0,0,.22);backdrop-filter:blur(8px)}
.office-case__copy{display:flex;flex-direction:column;min-height:174px;padding:20px}
.office-case__kicker{color:#e2582f;font-size:11px;font-weight:700}
.office-case__copy>strong{margin-top:8px;font-size:18px;line-height:1.3}
.office-case__desc{margin-top:9px;color:#6a6b72;font-size:12.5px;line-height:1.6}
.office-case__action{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:18px;color:#2f3035;font-size:12px;font-weight:700}
.office-case__action b{font-size:16px}

body.ppt-case-modal-open{overflow:hidden}
.ppt-case-modal{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:20px;opacity:0;transition:opacity .18s ease}
.ppt-case-modal[hidden]{display:none}
.ppt-case-modal.is-open{opacity:1}
.ppt-case-modal__backdrop{position:absolute;inset:0;background:rgba(0,0,0,.78);backdrop-filter:blur(14px)}
.ppt-case-modal__dialog{position:relative;width:min(1120px,calc(100vw - 48px));max-height:calc(100dvh - 40px);overflow:auto;border:1px solid rgba(255,255,255,.14);border-radius:8px;background:#151517;color:#fff;box-shadow:0 32px 90px rgba(0,0,0,.55)}
.ppt-case-modal__header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 20px;border-bottom:1px solid rgba(255,255,255,.1)}
.ppt-case-modal__header>div>span{display:block;color:#ff9256;font-size:10px;font-weight:700}
.ppt-case-modal__header h3{margin:5px 0 0;font-size:18px;line-height:1.2;letter-spacing:0}
.ppt-case-modal__close,.ppt-case-modal__nav,.ppt-case-modal__toggle{display:grid;place-items:center;flex:none;padding:0;border:1px solid rgba(255,255,255,.16);border-radius:50%;background:rgba(255,255,255,.08);color:#fff;font-family:inherit;cursor:pointer}
.ppt-case-modal__close{width:36px;height:36px;font-size:22px}
.ppt-case-modal__stage{display:grid;grid-template-columns:42px minmax(0,1fr) 42px;gap:14px;align-items:center;padding:20px}
.ppt-case-modal__nav{width:42px;height:42px;font-size:17px}
.ppt-case-modal__close:hover,.ppt-case-modal__nav:hover,.ppt-case-modal__toggle:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.3)}
.ppt-case-modal__close:focus-visible,.ppt-case-modal__nav:focus-visible,.ppt-case-modal__toggle:focus-visible,.ppt-case-modal__footer input:focus-visible{outline:2px solid #ff9256;outline-offset:3px}
.ppt-case-modal__frame{position:relative;margin:0;overflow:hidden;aspect-ratio:16/9;background:#fff;box-shadow:0 18px 44px rgba(0,0,0,.35)}
.ppt-case-modal__frame img{display:block;width:100%;height:100%;object-fit:contain;opacity:0;transition:opacity .2s ease}
.ppt-case-modal__frame img.is-loaded{opacity:1}
.ppt-case-modal__progress{position:absolute;left:0;right:0;bottom:0;height:3px;background:rgba(17,17,19,.12)}
.ppt-case-modal__progress i{display:block;width:100%;height:100%;background:#ff6b3d;transform:scaleX(0);transform-origin:left center}
.ppt-case-modal.is-playing .ppt-case-modal__progress i{animation:ppt-case-progress 5s linear forwards}
@keyframes ppt-case-progress{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.ppt-case-modal__footer{display:grid;grid-template-columns:36px minmax(0,1fr) auto;gap:14px;align-items:center;padding:0 76px 18px}
.ppt-case-modal__toggle{width:36px;height:36px}
.ppt-case-modal__play{display:none;font-size:11px;transform:translateX(1px)}
.ppt-case-modal__toggle.is-paused .ppt-case-modal__pause{display:none}
.ppt-case-modal__toggle.is-paused .ppt-case-modal__play{display:block}
.ppt-case-modal__footer input{width:100%;accent-color:#ff6b3d;cursor:pointer}
.ppt-case-modal__count{min-width:52px;color:#b8b8be;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;white-space:nowrap}
.ppt-case-modal__count b{color:#fff}

.office-flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;margin:46px 0 0;padding:0;list-style:none}
.office-flow li{position:relative;display:grid;grid-template-columns:34px minmax(0,1fr);gap:13px;padding-top:18px;border-top:1px solid #d8d8dc}
.office-flow li::before{content:"";position:absolute;top:-1px;left:0;width:42px;height:2px;background:#e2582f}
.office-flow li>b{color:#e2582f;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px}
.office-flow li strong,.office-flow li span{display:block}
.office-flow li strong{font-size:15px}
.office-flow li span{margin-top:7px;color:#6f7077;font-size:12.5px;line-height:1.65}

.office-proof{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin:44px 0 0;padding:24px 0;border-top:1px solid #dedee2;border-bottom:1px solid #dedee2}
.office-proof div{padding:0 30px;border-right:1px solid #dedee2}
.office-proof div:first-child{padding-left:0}
.office-proof div:last-child{padding-right:0;border-right:0}
.office-proof dt{font-size:14px;font-weight:720}
.office-proof dd{margin:7px 0 0;color:#6f7077;font-size:12.5px;line-height:1.6}

.features{padding:72px 24px 0}
.features-inner{max-width:1120px;margin:0 auto}
.features h2,.agents h2,.faq h2{font-size:32px;font-weight:740;letter-spacing:-.03em;text-align:center;margin:0}
.features>.features-inner>p,.agents-inner>p{max-width:600px;margin:12px auto 0;font-size:15px;color:#5f6067;text-align:center;line-height:1.6}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:40px}
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:40px}
.glass-card{padding:26px 26px 28px;border-radius:20px;background:linear-gradient(135deg,#ffffff,#f7f7f9);border:1px solid rgba(0,0,0,.08);box-shadow:0 12px 40px rgba(0,0,0,.05);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}
.glass-card .t{font-size:17px;font-weight:700}
.glass-card p{margin:10px 0 0;font-size:13.5px;color:#5f6067;line-height:1.7}

/* 详情页：能力列表专用（任务清单 + 步骤卡） */
.task-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 20px;max-width:860px;margin:40px auto 0}
.task{display:flex;gap:10px;align-items:flex-start;padding:14px 16px;border-radius:14px;background:#f7f7f9;border:1px solid rgba(0,0,0,.07);font-size:13.5px;color:#3a3a3f;line-height:1.55}
.task::before{content:"✓";flex:0 0 auto;margin-top:1px;color:#ff9256;font-weight:700}
.step-card{position:relative}
.step-num{display:grid;place-items:center;width:32px;height:32px;margin-bottom:14px;border-radius:10px;background:#f0f0f2;border:1px solid rgba(0,0,0,.08);font-size:14px;font-weight:700;color:#111113}

.agents{padding:110px 24px 0}
.agents-inner{max-width:1120px;margin:0 auto}
.agent-card{display:block;padding:24px;border-radius:20px;background:linear-gradient(135deg,#ffffff,#f7f7f9);border:1px solid rgba(0,0,0,.08);box-shadow:0 12px 40px rgba(0,0,0,.05);transition:border-color .16s ease,box-shadow .16s ease}
.agent-card:hover{border-color:rgba(0,0,0,.18);box-shadow:0 18px 50px rgba(0,0,0,.08)}
.agent-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:#fff;overflow:hidden;box-shadow:0 10px 22px rgba(0,0,0,.1);border:1px solid rgba(0,0,0,.06);margin:0}
.agent-icon i{display:block;background-position:center;background-repeat:no-repeat}
.agent-card .t{margin-top:16px;font-size:16px;font-weight:700}
.agent-card p{margin:8px 0 0;font-size:12.5px;color:#5f6067;line-height:1.65}
.agent-more{display:block;margin-top:14px;font-size:12.5px;font-weight:600;color:#e2582f}

.faq{padding:110px 24px 0}
.faq-inner{max-width:760px;margin:0 auto}
.faq-list{margin-top:32px;border-radius:20px;background:linear-gradient(135deg,#ffffff,#f7f7f9);border:1px solid rgba(0,0,0,.08);box-shadow:0 12px 40px rgba(0,0,0,.05);padding:8px 26px;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}
.faq-item{padding:18px 0;border-bottom:1px solid rgba(0,0,0,.08)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;list-style:none;font-size:15px;font-weight:600;cursor:pointer}
.faq-item summary .plus{color:#9a9aa0}
.faq-item p{margin:12px 0 4px;font-size:13.5px;color:#5f6067;line-height:1.75}

/* 命令行代码块：GitHub 风格，等宽字体 + 一键复制 */
.code-block{position:relative;display:flex;align-items:center;gap:10px;margin:10px 0;padding:11px 46px 11px 14px;border-radius:10px;background:#f6f6f8;border:1px solid rgba(0,0,0,.1);overflow-x:auto}
.code-block code{flex:1;font-family:'SF Mono',ui-monospace,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.6;color:#1d1d1f;white-space:pre;-webkit-user-select:all;user-select:all}
.code-copy-btn{position:absolute;top:7px;right:7px;display:grid;place-items:center;width:28px;height:28px;border-radius:7px;background:rgba(0,0,0,.04);border:1px solid rgba(0,0,0,.1);color:#5f6067;cursor:pointer;transition:background .15s,color .15s}
.code-copy-btn:hover{background:rgba(0,0,0,.08);color:#111113}
.code-copy-btn.copied{background:rgba(52,199,89,.16);border-color:rgba(52,199,89,.4);color:#1f9e4a}
.code-copy-btn svg{width:14px;height:14px;pointer-events:none}
.code-copy-btn .icon-check{display:none}
.code-copy-btn.copied .icon-copy{display:none}
.code-copy-btn.copied .icon-check{display:block}

.download{padding:120px 24px 90px;text-align:center}
.download-band{max-width:1120px;margin:0 auto;padding:64px 40px;border-radius:26px;background:linear-gradient(150deg,rgba(255,146,86,.12),#ffffff 55%,#f7f7f9);border:1px solid rgba(0,0,0,.08);box-shadow:0 24px 70px rgba(0,0,0,.08);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}
.download-band h2{margin:0;font-size:38px;font-weight:740;letter-spacing:-.035em}
.download-band>p{margin:14px auto 0;max-width:520px;font-size:16px;color:#5f6067;line-height:1.6}
.band-actions{display:flex;justify-content:center;gap:12px;margin-top:30px;flex-wrap:wrap}
.band-note{margin-top:22px;font-size:12.5px;color:#77787e}
.band-note--sub{margin-top:8px;font-size:12px;color:#86868b}

.icp-footer{padding:0 24px 40px;text-align:center}
.icp-footer .row{display:flex;align-items:center;justify-content:center;gap:10px;font-size:12px;color:#86868b}
.icp-footer img{width:16px;height:16px;border-radius:4px;opacity:.7}
.icp-footer a{color:#86868b}

/* 界面速览画廊 */
.shots-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:16px;margin-top:40px}
.shot-card{grid-column:span 2;margin:0;border-radius:16px;overflow:hidden;background:#ffffff;border:1px solid rgba(0,0,0,.08);box-shadow:0 16px 44px rgba(0,0,0,.08)}
.shot-card--wide{grid-column:span 3}
.shot-card img{display:block;width:100%;height:auto}
.shot-card figcaption{padding:12px 15px;font-size:13px;color:#3a3a3f;font-weight:600;border-top:1px solid rgba(0,0,0,.07)}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}

/* 测试阶段徽标 + 加群二维码 */
.community-badge{display:inline-block;margin-bottom:16px;padding:7px 16px;border-radius:99px;background:rgba(255,146,86,.14);border:1px solid rgba(255,146,86,.35);color:#c2410c;font-size:13px;font-weight:650;letter-spacing:.01em}
.community{margin:30px auto 0;padding-top:28px;border-top:1px solid rgba(0,0,0,.08);display:flex;align-items:center;justify-content:center;gap:26px;flex-wrap:wrap;max-width:640px}
.community-qr{width:138px;height:138px;flex:none;border-radius:16px;background:#fff;padding:9px;box-shadow:0 14px 34px rgba(0,0,0,.1);border:1px solid rgba(0,0,0,.06)}
.community-qr img{width:100%;height:100%;display:block;border-radius:9px;object-fit:contain}
.community-text{text-align:left;max-width:340px}
.community-text .ct-title{font-size:18px;font-weight:700}
.community-text .ct-sub{margin-top:9px;font-size:13.5px;color:#5f6067;line-height:1.75}
@media (max-width:560px){ .community{flex-direction:column;text-align:center} .community-text{text-align:center} }

@media (max-width:900px){
  .grid3,.grid4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .task-grid{grid-template-columns:1fr}
  .shots-grid{grid-template-columns:1fr}
  .shot-card,.shot-card--wide{grid-column:auto}
  .duo{grid-template-columns:1fr}
  h1{font-size:44px}
  .office-studio__intro{grid-template-columns:1fr;gap:20px}
  .office-stage{grid-template-columns:1fr}
  .office-flow{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:700px){
  .office-cases{grid-auto-flow:column;grid-auto-columns:minmax(280px,84vw);grid-template-columns:none;overflow-x:auto;padding:2px 2px 18px;scroll-snap-type:x mandatory;scrollbar-width:thin}
  .office-case{scroll-snap-align:start}
  .ppt-case-modal{padding:10px}
  .ppt-case-modal__dialog{width:calc(100vw - 20px);max-height:calc(100dvh - 20px)}
  .ppt-case-modal__header{padding:13px 14px}
  .ppt-case-modal__header h3{font-size:15px}
  .ppt-case-modal__stage{position:relative;display:block;padding:14px 10px}
  .ppt-case-modal__nav{position:absolute;z-index:3;top:50%;width:34px;height:34px;transform:translateY(-50%);background:rgba(17,17,19,.78)}
  .ppt-case-modal__nav[data-case-prev]{left:16px}
  .ppt-case-modal__nav[data-case-next]{right:16px}
  .ppt-case-modal__footer{padding:0 14px 14px;gap:9px}
}
@media (max-width:560px){
  .grid3,.grid4{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;align-items:center}
  h1{font-size:36px}
  .nav-links{display:none}
  .nav-inner{gap:10px;padding:0 14px}
  .product-tabs{gap:2px;min-width:0;overflow-x:auto}
  .product-tab{padding:6px 10px;font-size:12px}
  .lang{display:none}
  .nav .btn{display:none}
  .office-studio{padding:92px 18px 0}
  .office-studio h2{font-size:34px}
  .office-studio__intro p{font-size:15px}
  .office-stage{margin-top:32px}
  .office-workbench__bar{padding:0 12px}
  .office-workbench__bar>span{display:none}
  .office-output{padding:24px 18px 12px}
  .office-output__copy h3{font-size:22px}
  .office-flow,.office-proof{grid-template-columns:1fr}
  .office-flow{gap:24px}
  .office-proof{padding:0;border-bottom:0}
  .office-proof div,.office-proof div:first-child,.office-proof div:last-child{padding:18px 0;border-right:0;border-bottom:1px solid #dedee2}
}

@media (prefers-reduced-motion:reduce){
  .office-case,.office-case__media img,.ppt-case-modal,.ppt-case-modal__frame img{transition:none}
  .ppt-case-modal__progress{display:none}
}

/* 语言切换器（自原版 i18n 移植） */
.lang{display:flex;gap:4px;padding:3px;border-radius:99px;background:rgba(0,0,0,.04);border:1px solid rgba(0,0,0,.1);margin-right:10px}
.lang button{height:24px;padding:0 10px;border:0;border-radius:99px;background:transparent;color:#52525b;font-size:11.5px;font-weight:600;cursor:pointer;font-family:inherit}
.lang button.active{background:#111113;color:#fff}

/* ===== 转化优化（2026-07）：首屏钩子 + 产品图 + 系统警告引导 + 社群/裂变 ===== */
.token-pill{display:inline-flex;align-items:center;gap:9px;margin:18px auto 0;padding:9px 20px;border-radius:99px;font-size:14.5px;font-weight:700;color:#fff;background:linear-gradient(135deg,#ff9256,#ff5f3d);box-shadow:0 12px 28px rgba(255,110,60,.3),inset 0 1px 0 rgba(255,255,255,.4);letter-spacing:-.01em}
.token-pill .dot{width:7px;height:7px;border-radius:50%;background:#fff;box-shadow:0 0 10px rgba(255,255,255,.95);flex:none}
.warn-note{max-width:660px;margin:16px auto 0;padding:11px 15px;border-radius:12px;font-size:12.5px;line-height:1.6;color:#8a6d1a;background:rgba(255,180,60,.12);border:1px solid rgba(230,160,40,.3);text-align:left}
.warn-note b{color:#7a5c10}
.join{padding:80px 24px 0}
.join-inner{max-width:720px;margin:0 auto;text-align:center;display:flex;flex-direction:column;align-items:center}
.join h2{font-size:28px;font-weight:740;letter-spacing:-.03em;margin:0}
.join p{max-width:560px;margin:12px auto 0;font-size:15px;color:#5f6067;line-height:1.6}
.join-referral{margin-top:22px;font-size:13.5px;font-weight:600;color:#3a3a3f;padding:10px 20px;border-radius:99px;background:rgba(0,0,0,.04);border:1px solid rgba(0,0,0,.1)}