/* 全景视界设计系统：内容优先，统一官网、创作台及后台。 */
:root{--vr-ink:#1d1d1f;--vr-muted:#6e6e73;--vr-surface:#f5f5f7;--vr-line:#e5e5e8;--vr-blue:#0071e3;--bs-primary:#0071e3;--bs-primary-rgb:0,113,227;--bs-body-color:#1d1d1f;--bs-body-font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}body{min-height:100vh;display:flex;flex-direction:column;background:var(--vr-surface);color:var(--vr-ink);letter-spacing:-.015em;-webkit-font-smoothing:antialiased}main{flex:1}a{color:#0066cc;text-decoration:none}a:hover{color:#0054ad}h1,h2,h3,h4,h5,h6{font-weight:650;letter-spacing:-.04em}h3{font-size:1.65rem}p{line-height:1.7}::selection{background:#0071e32b}img{max-width:100%}
/* 键盘导航和低动态偏好优先于装饰动效。 */
:focus-visible{outline:3px solid #0071e3!important;outline-offset:4px!important}.skip-link{position:fixed;left:16px;top:-90px;z-index:2000;background:#fff;padding:12px 20px;border-radius:12px}.skip-link:focus{top:12px}
.site-nav{background:rgba(250,250,252,.9);backdrop-filter:blur(20px);border-bottom:1px solid #0000000d;padding:9px 0;min-height:58px}.site-nav .navbar-brand{font-size:17px;font-weight:650;letter-spacing:-.03em;color:var(--vr-ink);gap:9px!important}.brand-symbol{display:inline-flex;width:27px;height:27px;align-items:center;justify-content:center;border:1.7px solid currentColor;border-radius:50%;font-size:11px;letter-spacing:-1px}.site-nav .nav-link{font-size:13px;color:#424245;padding:8px 11px!important}.site-nav .nav-link:hover{color:#0071e3}.site-nav .btn-sm{font-size:12px;padding:7px 15px}.site-nav .navbar-toggler{border:0;padding:8px}.nav-search{max-width:174px;position:relative}.nav-search .form-control{border:0;background:#e9e9ec;padding:7px 32px 7px 12px;min-height:32px;font-size:12px}.nav-search button{position:absolute;right:5px;top:1px;border:0;background:transparent;padding:5px;color:#6e6e73}.dropdown-menu{border:1px solid var(--vr-line);border-radius:16px;box-shadow:0 12px 36px #00000012;padding:8px}.dropdown-item{border-radius:8px;font-size:14px;padding:9px 12px}.dropdown-item:active{background:var(--vr-blue)}
.btn{border-radius:980px;padding:10px 21px;font-weight:500;letter-spacing:0;border-width:1px;transition:background .2s,box-shadow .2s}.btn-sm{padding:6px 13px;font-size:12px}.btn-lg{padding:13px 25px;font-size:16px}.btn-primary{--bs-btn-bg:#0071e3;--bs-btn-border-color:#0071e3;--bs-btn-hover-bg:#0077ed;--bs-btn-hover-border-color:#0077ed;--bs-btn-active-bg:#0068d1;--bs-btn-active-border-color:#0068d1}.btn-secondary{--bs-btn-bg:#e8e8ed;--bs-btn-color:#1d1d1f;--bs-btn-border-color:#e8e8ed;--bs-btn-hover-bg:#dddde3;--bs-btn-hover-color:#1d1d1f;--bs-btn-hover-border-color:#dddde3}.btn-outline-primary{--bs-btn-color:#0071e3;--bs-btn-border-color:#0071e3;--bs-btn-hover-bg:#0071e3;--bs-btn-hover-border-color:#0071e3}.btn-outline-secondary{--bs-btn-border-color:#c6c6cd;--bs-btn-color:#515154}.btn-group .btn{border-radius:8px}.text-link{display:inline-flex;align-items:center;gap:7px;font-size:16px}.text-link:hover{text-decoration:underline}.text-link .bi{font-size:12px}.text-muted{color:var(--vr-muted)!important}
.card{border:0;border-radius:22px;background:#fff;box-shadow:0 3px 16px #1d1d1f04;overflow:hidden}.card.shadow,.card.shadow-sm{box-shadow:0 8px 32px #1d1d1f06!important}.card-body{padding:24px}.card-header{padding:18px 24px;background:#fff;border-bottom:1px solid var(--vr-line);font-weight:600}.card a{color:inherit}.card-img-top{object-fit:cover;width:100%;background-color:#e8e8ed!important}.project-card{transition:transform .25s,box-shadow .25s}.project-card:hover{transform:translateY(-5px);box-shadow:0 14px 38px #1d1d1f12}.project-card .card-body{padding:22px}.work-image-link{position:relative;display:block;overflow:hidden}.work-image{width:100%;height:210px;object-fit:cover;background:#e8e8ed;transition:transform .55s}.project-card:hover .work-image{transform:scale(1.035)}.work-badge{position:absolute;right:14px;bottom:14px;border:1px solid #ffffff70;background:#00000040;backdrop-filter:blur(8px);color:white;padding:4px 10px;border-radius:30px;font-size:12px}.work-category{font-size:11px;color:var(--vr-muted);margin-bottom:8px}.work-title{font-size:19px;line-height:1.45;overflow-wrap:anywhere}.work-meta{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--vr-muted);margin-top:17px}.work-meta>span:first-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hero-section{background:#fff;padding-top:70px;overflow:hidden}.hero-copy{text-align:center;position:relative;z-index:1}.hero-copy .eyebrow{padding-left:.11em}.hero-copy h1,.hero-copy .hero-description,.hero-copy .hero-actions{text-align:center}.eyebrow{font-size:13px;font-weight:600;letter-spacing:.11em;margin:0 0 20px;color:var(--vr-muted)}.hero-copy h1{font-size:clamp(54px,6.8vw,88px);line-height:1.1;letter-spacing:-.07em;margin:0 0 24px}.hero-description{font-size:19px;line-height:1.65;color:#626267;margin-bottom:27px}.hero-actions{display:flex;align-items:center;justify-content:center;gap:27px}.hero-stage{position:relative;max-width:1400px;margin:46px auto 0;height:420px;background:radial-gradient(ellipse at 52% 80%,#e4e8ed 0,#eef1f5 35%,#f5f7f9 65%);overflow:hidden}.hero-stage.has-image{height:460px;border-radius:24px 24px 0 0;margin-left:auto;margin-right:auto}.hero-stage.has-image:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 35%,#0008)}.hero-image{width:100%;height:100%;object-fit:cover}.hero-stage-caption{position:absolute;bottom:28px;left:40px;right:40px;display:flex;justify-content:space-between;align-items:center;gap:15px;color:#4d5158;z-index:2;font-size:13px}.hero-stage.has-image .hero-stage-caption{color:white}.hero-stage-caption a{color:inherit;font-weight:600;font-size:20px}.panorama-mark{font-size:25px;letter-spacing:-.04em}.spatial-art{position:absolute;inset:0;overflow:hidden}.spatial-horizon{position:absolute;left:-20%;right:-20%;bottom:-210px;height:440px;border-radius:50%;background:radial-gradient(ellipse at 50% 0,#c7cfd9,#f7f8fa 63%);transform:perspective(700px) rotateX(26deg)}.spatial-arch{position:absolute;left:50%;top:25px;width:480px;height:460px;border:65px solid #fff;border-radius:240px 240px 0 0;box-shadow:16px 30px 35px #43556c18,inset 14px 16px 20px #6d7e9115;transform:translateX(-50%) rotateY(-18deg) rotate(-10deg);background:transparent}.arch-back{width:350px;height:370px;top:85px;border-width:48px;transform:translateX(-8%) rotate(17deg);border-color:#ced6e0;box-shadow:16px 30px 50px #43556c22}.spatial-orbit{position:absolute;width:760px;height:170px;left:50%;top:190px;border:1px solid #919da977;border-radius:50%;transform:translateX(-50%) rotate(-13deg)}
.discovery-section{padding-top:92px;padding-bottom:28px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:30px}.section-heading h2{font-size:clamp(30px,3vw,45px);margin:0;line-height:1.3}.section-heading h2 span{color:#6e6e73}.section-heading .eyebrow{margin-bottom:13px}.section-heading.compact{margin-top:44px;margin-bottom:22px;align-items:center}.section-heading.compact h3{font-size:25px;margin:0}.category-strip{display:flex;gap:10px;overflow:auto;padding:0 0 10px;scrollbar-width:thin}.category-pill{display:block;flex-shrink:0;color:#48484d;background:#e8e8ed;border-radius:40px;font-size:13px;padding:10px 18px;white-space:nowrap}.category-pill.active{color:#fff;background:#1d1d1f}.category-pill:hover{background:#dddde4;color:#1d1d1f}.empty-state{text-align:center;padding:65px 25px;background:#fff;border-radius:26px}.empty-state h3{font-size:27px;margin-bottom:12px}.empty-state p{color:var(--vr-muted);font-size:15px;max-width:460px;margin:0 auto 25px}.empty-symbol{font-size:32px;color:#9b9ba1;margin-bottom:17px}.creator-section{padding:55px 12px 100px}.creator-panel{position:relative;overflow:hidden;border-radius:28px;background:#121214;color:#fff;padding:66px 62px}.creator-panel .eyebrow{color:#aaaab0}.creator-panel h2{font-size:clamp(30px,3.4vw,46px);line-height:1.28;position:relative;z-index:1}.creator-panel p:not(.eyebrow){color:#b5b5bb;margin:24px 0}.creator-orbit{position:absolute;right:70px;top:30px;font-size:230px;font-weight:650;letter-spacing:-.09em;color:#2e2e35;transform:rotate(-12deg);line-height:1.5;pointer-events:none}.creator-orbit span{font-size:150px}.creator-panel .btn{position:relative;z-index:1}
/* 表单与管理表格共享尺寸、焦点与边界反馈。 */
.form-control,.form-select{border-color:#d2d2d7;border-radius:12px;background-color:#fff;min-height:44px;padding:10px 13px;font-size:14px}.form-control-sm,.form-select-sm{min-height:38px;padding:7px 10px}.form-control:focus,.form-select:focus{border-color:#0071e3;box-shadow:0 0 0 3px #0071e322}.form-label{font-size:13px;font-weight:500;color:#424245;margin-bottom:7px}.form-text{font-size:12px;color:var(--vr-muted)}.form-check-label{font-size:13px}.form-check-input:checked{background-color:#0071e3;border-color:#0071e3}.input-group .btn{border-radius:12px}.alert{border:0;border-radius:14px;font-size:14px}.modal-content{border:0;border-radius:22px;box-shadow:0 20px 60px #0003}.modal-header,.modal-footer{padding:20px 24px;border-color:var(--vr-line)}.modal-body{padding:24px}.list-group{border-radius:16px}.list-group-item{border-color:var(--vr-line);padding:14px 16px}.list-group-item.active{background:#eaf3fd;border-color:#c5def8;color:#0066cc}.badge{border-radius:6px;font-weight:500;padding:5px 8px}.table{--bs-table-bg:transparent;--bs-table-border-color:#ededf0;vertical-align:middle;font-size:14px}.table>:not(caption)>*>*{padding:14px 16px}.table thead th{color:var(--vr-muted);font-size:12px;font-weight:500;white-space:nowrap;background:#fafafa}.pagination{gap:6px;margin:20px 0}.page-link{border:0;border-radius:9px!important;color:#424245}.active>.page-link{background:#0071e3}.admin-main{width:min(1500px,100%);padding:35px 32px 60px;margin:0 auto}.admin-main>h3{margin-bottom:25px!important}.admin-main>.table-responsive,.admin-main>.table{background:white;border-radius:16px}.stat-card{border:0}.stat-card .display-6{font-weight:600;letter-spacing:-.04em}.stat-card .card-body{padding:28px}.workspace-main{padding-bottom:64px}.workspace-main>.container,.workspace-main>.container-fluid{margin-top:42px!important}.workspace-main>.container-fluid{padding-left:32px;padding-right:32px}.editor-header{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px}.editor-header h1{font-size:29px;margin:0}.editor-header p{color:var(--vr-muted);font-size:13px;margin:8px 0 0}#editPanorama{height:610px!important;border-radius:20px!important;background:#1d1d1f!important;overflow:hidden}#sceneList .scene-item{cursor:pointer}.auth-shell{width:min(100%,500px);margin:64px auto 80px;padding:0 20px}.auth-heading{text-align:center;margin-bottom:32px}.auth-heading .brand-symbol{width:45px;height:45px;font-size:18px;margin-bottom:20px}.auth-heading h1{font-size:34px;margin-bottom:12px}.auth-heading p{font-size:15px;color:var(--vr-muted);margin:0}.auth-card{padding:32px;background:#fff;border-radius:24px}.auth-links{display:flex;justify-content:center;gap:20px;font-size:13px;margin-top:24px}.create-shell{max-width:740px;margin:55px auto 80px;padding:0 20px}.create-heading{margin-bottom:30px}.create-heading h1{font-size:38px}.create-heading p{color:var(--vr-muted)}
.site-footer{background:#f5f5f7;border-top:1px solid #dddde2;color:#6e6e73;padding:30px 0;font-size:12px;margin-top:auto}.footer-top{display:flex;justify-content:space-between;gap:20px;align-items:center;padding-bottom:22px}.footer-brand{font-size:16px;font-weight:600;color:#424245}.footer-links{display:flex;gap:20px;flex-wrap:wrap}.site-footer a{color:#515154}.footer-bottom{padding-top:18px;border-top:1px solid #dddde2;display:flex;justify-content:space-between;gap:16px}.friend-links{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:20px}.back-to-top{position:fixed;bottom:25px;right:25px;width:42px;height:42px;border-radius:50%;background:#fff;color:#424245;border:1px solid #ddd;z-index:200;box-shadow:0 3px 14px #0001}#toastContainer{position:fixed;top:74px;right:20px;z-index:9999;max-width:min(360px,calc(100vw - 40px))}.custom-hotspot{background:#0071e3;border:2px solid #fff;border-radius:50%;width:30px;height:30px;cursor:pointer}
/* 独立播放器采用深色沉浸画布，控件保持足够点击面积。 */
.viewer-page{background:#111;color:#fff}.viewer-page .topbar{background:rgba(22,22,25,.9);backdrop-filter:blur(20px);height:64px;padding:10px 22px}.viewer-page .topbar .btn{min-width:36px;min-height:36px;padding:6px 10px;border-color:#ffffff3a}.viewer-page .topbar .fw-bold{font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:35vw}.viewer-page .scene-btn{border-radius:12px;min-width:70px;padding:8px}.viewer-page .scene-thumb{width:54px;height:36px;object-fit:cover}.viewer-page .comment-sidebar{color:#1d1d1f}.viewer-page .comment-sidebar .form-control{font-size:13px}.viewer-page .share-sheet{border-radius:25px 25px 0 0;padding:26px}.viewer-page .share-item{border:0;background:transparent}.viewer-page .player-controls button{width:44px;height:44px}.viewer-page #panorama{height:calc(100dvh - 64px)}.viewer-page .map-panel{border-radius:18px}.viewer-page .bottombar{backdrop-filter:blur(15px)}#ringImage,#objImage{touch-action:none}.viewer-page #viewer{touch-action:none}.viewer-page #videoContainer{max-width:1100px;padding:36px 20px}.viewer-page video{border-radius:20px}.player-empty{display:flex;align-items:center;justify-content:center;height:100%;min-height:300px;text-align:center;padding:35px;color:#aaa}.player-error{padding:30px;text-align:center;color:#fff;display:flex;height:100%;align-items:center;justify-content:center;flex-direction:column}
@media(min-width:992px){.viewer-page .panorama-wrap{height:calc(100dvh - 64px)}.viewer-page #panorama{height:100%}.viewer-page .comment-sidebar{width:340px;height:calc(100dvh - 64px)}.viewer-page .scene-panel{right:352px}.viewer-page .player-controls{right:356px}}
@media(max-width:1199px){.nav-search{display:none}.site-nav .nav-link{padding-left:8px!important;padding-right:8px!important}.creator-orbit{right:20px;opacity:.7}}
@media(max-width:991px){.site-nav .navbar-collapse{padding:18px 0}.site-nav .nav-link{padding:12px 0!important;font-size:15px}.site-nav .navbar-nav{gap:4px}.nav-search{display:block;max-width:none;margin:16px 0!important}.site-nav .navbar-collapse .btn{margin:0!important}.hero-section{padding-top:55px}.hero-stage{height:360px}.hero-stage.has-image{height:380px;margin-left:18px;margin-right:18px}.creator-orbit{right:-35px;font-size:180px}.workspace-main>.container-fluid{padding-left:18px;padding-right:18px}.workspace-main>.container-fluid>.row{row-gap:24px}.workspace-main>.container-fluid>.row>.col-md-3,.workspace-main>.container-fluid>.row>.col-md-6{width:100%}#editPanorama{height:480px!important}.viewer-page .scene-panel{top:auto;bottom:16px;right:16px;max-width:calc(100vw - 85px);transform:none;flex-direction:row;overflow:auto}.viewer-page .player-controls{right:auto;left:12px;bottom:16px}.viewer-page .comment-sidebar{position:relative}.admin-main{padding:28px 18px}}
@media(max-width:575px){.hero-section{padding-top:44px}.hero-copy h1{font-size:58px}.hero-description{font-size:16px;padding:0 12px}.hero-actions{gap:21px}.hero-actions .btn{font-size:14px;padding:12px 20px}.hero-actions .text-link{font-size:14px}.hero-stage{height:295px;margin-top:36px}.hero-stage.has-image{height:300px}.spatial-arch{width:330px;height:350px;border-width:46px;top:22px}.arch-back{width:250px;height:270px;top:58px;border-width:34px}.spatial-orbit{width:480px;top:150px;height:120px}.hero-stage-caption{left:23px;right:23px;bottom:20px;font-size:11px}.hero-stage-caption a{font-size:15px}.section-heading{align-items:flex-start;gap:12px}.section-heading>.text-link{font-size:13px;white-space:nowrap;margin-top:30px}.discovery-section{padding:54px 20px 15px}.section-heading h2{font-size:29px}.section-heading h2 span{display:block}.section-heading.compact h3{font-size:23px}.section-heading.compact>span{font-size:11px!important}.work-image{height:240px}.creator-section{padding:30px 20px 58px}.creator-panel{padding:38px 28px}.creator-panel h2{font-size:32px}.creator-panel p:not(.eyebrow){font-size:13px}.creator-orbit{display:none}.footer-top,.footer-bottom{flex-direction:column;align-items:flex-start}.site-footer .container{padding-left:24px;padding-right:24px}.auth-shell{margin:40px auto 50px}.auth-card{padding:25px 22px}.auth-heading h1{font-size:30px}.create-shell{margin-top:38px}.create-heading h1{font-size:32px}.card-body{padding:20px}.editor-header{align-items:flex-start}.editor-header h1{font-size:25px}.editor-header .btn{font-size:12px;white-space:nowrap;padding:9px 13px}#editPanorama{height:380px!important}.viewer-page .topbar{padding:8px;height:auto;min-height:64px;gap:6px;flex-wrap:wrap}.viewer-page .topbar .fw-bold{max-width:48vw;font-size:13px}.viewer-page .topbar>.d-flex:last-child{gap:4px!important}.viewer-page .topbar .btn{min-width:32px;padding:5px 8px}.viewer-page .topbar>.d-flex:first-child{min-width:100%;justify-content:flex-start}.viewer-page .topbar>.d-flex:last-child{margin-left:auto}.viewer-page #panorama{height:calc(100dvh - 106px)}.viewer-page .share-grid{gap:10px}.viewer-page .share-item{width:52px}.viewer-page .share-item i{width:44px;height:44px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.project-card:hover,.project-card:hover .work-image{transform:none}}

/* ==========================================================================
   百艺网统一导航与页脚（VR 栏目共用）
   --------------------------------------------------------------------------
   VR 不再有独立站点外观，导航与页脚与官网保持一致。
   配色沿用全景视界的浅灰底 / 近黑字 / 蓝色主色。
   ========================================================================== */
.by-nav{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--vr-line)}
.by-nav__inner{max-width:1200px;margin:0 auto;padding:0 24px;min-height:66px;display:flex;align-items:center;gap:28px}
.by-brand{display:flex;flex-direction:column;align-items:center;text-decoration:none;line-height:1.1;flex:none}
.by-brand__name{font-size:17px;font-weight:600;letter-spacing:.04em;color:var(--vr-ink)}
.by-brand__en{font-size:10.5px;letter-spacing:.2em;padding-left:.2em;color:var(--vr-muted);margin-top:1px}
.by-nav__links{display:flex;align-items:center;gap:30px;margin-left:14px;flex:1}
.by-nav__links a{font-size:15px;color:#424245;text-decoration:none;transition:color .18s}
.by-nav__links a:hover,.by-nav__links a.is-active{color:var(--vr-blue)}
.by-nav__links a.is-active{font-weight:500}
.by-nav__actions{display:flex;align-items:center;gap:10px;flex:none}
.by-btn{display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 18px;border-radius:980px;font-size:14px;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .18s,color .18s}
.by-btn--primary{background:var(--vr-blue);color:#fff}
.by-btn--primary:hover{background:#0077ed;color:#fff}
.by-btn--ghost{background:transparent;color:#424245;border-color:#d2d2d7}
.by-btn--ghost:hover{color:var(--vr-blue);border-color:var(--vr-blue)}

.by-footer{background:#f5f5f7;border-top:1px solid var(--vr-line);padding:56px 0 28px;font-size:14px;color:var(--vr-muted);margin-top:auto}
.by-footer__inner{max-width:1200px;margin:0 auto;padding:0 24px}
.by-footer__top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid var(--vr-line)}
.by-footer__brand .by-brand{align-items:flex-start}
.by-footer__brand .by-brand__name{color:var(--vr-ink)}
.by-footer__brand p{margin:14px 0 0;font-size:13px;line-height:1.8}
.by-footer h4{font-size:14px;font-weight:600;color:var(--vr-ink);margin:0 0 14px;letter-spacing:.02em}
.by-footer__links{display:grid;gap:10px}
.by-footer__links a{color:#424245;text-decoration:none;font-size:13.5px}
.by-footer__links a:hover{color:var(--vr-blue)}
.by-footer__bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:22px;font-size:12.5px;flex-wrap:wrap}
.by-footer__bottom a{color:#515154;text-decoration:none}
.by-footer__bottom a:hover{color:var(--vr-blue)}

@media(max-width:991px){
  .by-nav__inner{padding:0 18px;gap:14px;min-height:60px}
  .by-nav__links{display:none}
  .by-nav__actions .by-btn--ghost:first-child{display:none}
  .by-footer__top{grid-template-columns:1fr 1fr;gap:26px}
}
@media(max-width:575px){
  .by-footer__top{grid-template-columns:1fr}
  .by-footer__bottom{flex-direction:column;align-items:flex-start}
}