:root{--ui-ink:#102f28;--ui-deep:#0b3b31;--ui-deep-hover:#12483c;--ui-paper:#f7f8f5;--ui-surface:#fff;--ui-soft:#f1f4f0;--ui-line:#dbe2dc;--ui-line-strong:#cbd5cd;--ui-muted:#66766f;--ui-accent:#e96f24;--ui-accent-hover:#cf5d17;--ui-success:#216a4a;--ui-danger:#bd5537;--ui-radius:10px;--ui-shadow:0 8px 24px rgba(16,47,40,.045)}
*{box-sizing:border-box}
body.phase1-shell-body{margin:0;background:var(--ui-paper);color:var(--ui-ink);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;-webkit-font-smoothing:antialiased}
body.phase1-shell-body .phase1-layout{grid-template-columns:252px minmax(0,1fr);min-height:100vh}
body.phase1-shell-body .phase1-sidebar{position:sticky;top:0;align-self:start;height:100vh;padding:28px 18px 22px;border-right:0;background:var(--ui-deep);box-shadow:none;color:#fff}
body.phase1-shell-body .phase1-brand{padding:4px 8px 24px;border-bottom:1px solid rgba(255,255,255,.13)}
body.phase1-shell-body .phase1-brand-lockup{display:flex;align-items:center;gap:12px}
body.phase1-shell-body .phase1-brand-logo{width:34px;height:34px;flex:0 0 34px;object-fit:contain;filter:invert(1);opacity:.96}
body.phase1-shell-body .phase1-brand strong{display:block;color:#fff;font-family:"Microsoft YaHei","PingFang SC",sans-serif;font-size:23px;font-weight:800;line-height:1;letter-spacing:.035em}
body.phase1-shell-body .phase1-brand>span{display:block;margin-top:13px;color:rgba(255,255,255,.62);font-size:11px;line-height:1.5;letter-spacing:.015em}
body.phase1-shell-body .phase1-user{margin-top:20px;padding:15px 13px;border:1px solid rgba(255,255,255,.12);border-radius:var(--ui-radius);background:rgba(255,255,255,.045)}
body.phase1-shell-body .phase1-user .name{font-size:14px;font-weight:800}
body.phase1-shell-body .phase1-user .meta{margin-top:5px;color:rgba(255,255,255,.55);font-size:11px}
body.phase1-shell-body .phase1-logout{margin-top:10px}
body.phase1-shell-body .phase1-logout button{width:100%;min-height:38px;border:1px solid rgba(255,255,255,.16);border-radius:var(--ui-radius);background:transparent;color:rgba(255,255,255,.8);font:inherit;font-size:12px;font-weight:700;cursor:pointer}
body.phase1-shell-body .phase1-logout button:hover{border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.06);color:#fff}
body.phase1-shell-body .phase1-nav{display:grid;gap:18px;margin-top:25px}
body.phase1-shell-body .phase1-nav-group{display:grid;gap:6px}
body.phase1-shell-body .phase1-nav-group-title{padding:0 10px;color:rgba(255,255,255,.42);font-size:10px;font-weight:800;letter-spacing:.11em}
body.phase1-shell-body .phase1-nav-folder{display:flex;align-items:center;width:100%;min-height:40px;padding:0 10px;border:0;border-radius:8px;background:transparent;color:rgba(255,255,255,.94);font:inherit;font-size:14px;font-weight:800;text-align:left;cursor:pointer}
body.phase1-shell-body .phase1-nav-folder:hover{background:rgba(255,255,255,.06)}
body.phase1-shell-body .phase1-nav-folder .chevron{margin-left:auto;color:rgba(255,255,255,.55)}
body.phase1-shell-body .phase1-nav-children{display:grid;gap:4px}
body.phase1-shell-body .phase1-nav-group.is-collapsible .phase1-nav-link,
body.phase1-shell-body .phase1-nav-group.asset-policy-group .phase1-nav-link{margin-left:0;min-height:39px;padding-left:14px;font-size:13px}
body.phase1-shell-body .phase1-nav-link{position:relative;display:flex;align-items:center;min-height:39px;padding:0 14px;border-radius:8px;color:rgba(255,255,255,.68);font-size:13px;font-weight:700;text-decoration:none}
body.phase1-shell-body .phase1-nav-link:hover{background:rgba(255,255,255,.06);color:#fff}
body.phase1-shell-body .phase1-nav-link.is-active{background:#fff;color:var(--ui-deep);box-shadow:none}
body.phase1-shell-body .phase1-nav-link.is-active::before{content:"";position:absolute;left:-5px;width:3px;height:18px;border-radius:2px;background:var(--ui-accent)}
body.phase1-shell-body .phase1-page-head,
body.phase1-shell-body .phase1-sidebar-footer,
body.phase1-shell-body .phase1-main .topbar .eyebrow,
body.phase1-shell-body .phase1-main .topbar .page-subtitle{display:none}
body.phase1-shell-body .phase1-main{min-width:0;background:var(--ui-paper)}
body.phase1-shell-body .phase1-main>.page,
body.phase1-shell-body .phase1-main>.content,
body.phase1-shell-body .phase1-main>.main{width:min(100% - 44px,1500px);margin:0 auto;padding-top:30px}
body.phase1-shell-body .phase1-main .topbar,
body.phase1-shell-body .phase1-main .hero,
body.phase1-shell-body .phase1-main .top{align-items:center;margin:0 0 20px}
body.phase1-shell-body .phase1-main .topbar h1,
body.phase1-shell-body .phase1-main .hero h1,
body.phase1-shell-body .phase1-main .top h1,
body.phase1-shell-body .phase1-main h1{color:var(--ui-ink);font-family:"Microsoft YaHei","PingFang SC",sans-serif;font-weight:800;letter-spacing:-.045em}
body.phase1-shell-body .phase1-main .topbar h1,
body.phase1-shell-body .phase1-main .hero h1,
body.phase1-shell-body .phase1-main .top h1{font-size:clamp(32px,3vw,48px);line-height:1.12}
body.phase1-shell-body .phase1-main .eyebrow{color:var(--ui-muted);font-size:11px;letter-spacing:.06em}
body.phase1-shell-body .phase1-main .lead,
body.phase1-shell-body .phase1-main .muted{color:var(--ui-muted)}
body.phase1-shell-body .phase1-main .searchbar,
body.phase1-shell-body .phase1-main .card,
body.phase1-shell-body .phase1-main .line-table-wrap,
body.phase1-shell-body .phase1-main .workspace,
body.phase1-shell-body .phase1-main .panel,
body.phase1-shell-body .phase1-main .review-list,
body.phase1-shell-body .phase1-main .section-card,
body.phase1-shell-body .phase1-main .case{border:1px solid var(--ui-line);border-radius:var(--ui-radius);background:var(--ui-surface);box-shadow:var(--ui-shadow)}
body.phase1-shell-body .phase1-main .searchbar{margin-top:16px;padding:18px 20px}
body.phase1-shell-body .phase1-main .search-field label,
body.phase1-shell-body .phase1-main label{color:var(--ui-muted);font-size:12px;font-weight:700;letter-spacing:0;text-transform:none}
body.phase1-shell-body .phase1-main input:not([type="checkbox"]):not([type="radio"]):not([type="file"]),
body.phase1-shell-body .phase1-main select,
body.phase1-shell-body .phase1-main textarea{border:1px solid var(--ui-line-strong);border-radius:8px;background:#fff;color:var(--ui-ink);box-shadow:none}
body.phase1-shell-body .phase1-main input::placeholder,
body.phase1-shell-body .phase1-main textarea::placeholder{color:#929e97}
body.phase1-shell-body .phase1-main input:focus,
body.phase1-shell-body .phase1-main select:focus,
body.phase1-shell-body .phase1-main textarea:focus{border-color:var(--ui-ink);outline:0;box-shadow:0 0 0 3px rgba(16,47,40,.09)}
body.phase1-shell-body .phase1-main table{color:var(--ui-ink)}
body.phase1-shell-body .phase1-main th{border-color:var(--ui-line);background:#f4f6f3;color:#52665e;font-size:11px;font-weight:800;letter-spacing:.01em;text-transform:none}
body.phase1-shell-body .phase1-main td{border-color:#e5eae6;background:#fff}
body.phase1-shell-body .phase1-main tbody tr:hover td{background:#fafbf9}
body.phase1-shell-body .phase1-main .flat-execution-table{font-size:13px}
body.phase1-shell-body .phase1-main .flat-execution-table th{padding-top:13px;padding-bottom:13px}
body.phase1-shell-body .phase1-main .flat-execution-table td{padding-top:12px;padding-bottom:12px}
body.phase1-shell-body .phase1-main .badge,
body.phase1-shell-body .phase1-main .pill,
body.phase1-shell-body .phase1-main .step{border-radius:7px;background:var(--ui-soft);color:var(--ui-ink)}
body.phase1-shell-body .phase1-main button,
body.phase1-shell-body .phase1-main .button,
body.phase1-shell-body .phase1-main .btn{border-radius:8px;box-shadow:none;transition:border-color .15s ease,background-color .15s ease,color .15s ease,transform .15s ease}
body.phase1-shell-body .phase1-main button:active,
body.phase1-shell-body .phase1-main .button:active,
body.phase1-shell-body .phase1-main .btn:active{transform:translateY(1px)}
body.phase1-shell-body .phase1-main .row-actions button,
body.phase1-shell-body .phase1-main .line-actions button{border-color:var(--ui-line);border-radius:8px;background:#fff;color:var(--ui-ink)}
body.phase1-shell-body .phase1-main .row-actions button:hover,
body.phase1-shell-body .phase1-main .line-actions button:hover{border-color:var(--ui-ink);background:var(--ui-soft)}
body.phase1-shell-body .phase1-main button.ui-primary-action,
body.phase1-shell-body .phase1-main .primary,
body.phase1-shell-body .phase1-main .btn.primary,
body.phase1-shell-body .phase1-main .button.primary{border-color:var(--ui-accent);background:var(--ui-accent);color:#fff}
body.phase1-shell-body .phase1-main button.ui-primary-action:hover,
body.phase1-shell-body .phase1-main .primary:hover{border-color:var(--ui-accent-hover);background:var(--ui-accent-hover)}
body.phase1-shell-body .phase1-main button.ui-danger-action{border-color:#edc7ba;background:#fff9f6;color:var(--ui-danger)}
body.phase1-shell-body .phase1-main button.ui-state-action{border-color:var(--ui-line);background:var(--ui-soft);color:var(--ui-muted);cursor:default}
body.phase1-shell-body .phase1-main .notice,
body.phase1-shell-body .phase1-main .message{border-radius:8px;background:#edf6ef;color:var(--ui-success)}
body.phase1-shell-body .phase1-main .error,
body.phase1-shell-body .phase1-main .bad{border-radius:8px;background:#fff2ec;color:var(--ui-danger)}
body.phase1-shell-body .phase1-main .workspace-tabs,
body.phase1-shell-body .phase1-main .review-window-tabs{gap:4px;border-color:var(--ui-line);background:transparent}
body.phase1-shell-body .phase1-main .workspace-tabs button,
body.phase1-shell-body .phase1-main .review-window-tab{border-radius:8px 8px 0 0;background:transparent;color:var(--ui-muted)}
body.phase1-shell-body .phase1-main .workspace-tabs button.active,
body.phase1-shell-body .phase1-main .review-window-tab.is-active{background:var(--ui-deep);color:#fff;box-shadow:none}
body.phase1-shell-body .phase1-main .summary{gap:10px}
body.phase1-shell-body .phase1-main .kpi,
body.phase1-shell-body .phase1-main .stat{border:1px solid var(--ui-line);border-radius:var(--ui-radius);background:#fff;box-shadow:none}
body.phase1-shell-body .phase1-main .section-head,
body.phase1-shell-body .phase1-main .panel-head,
body.phase1-shell-body .phase1-main .case-head{border-color:var(--ui-line);background:#fff}
body.phase1-shell-body .phase1-main button:focus-visible,
body.phase1-shell-body .phase1-main a:focus-visible,
body.phase1-shell-body .phase1-sidebar button:focus-visible,
body.phase1-shell-body .phase1-sidebar a:focus-visible{outline:3px solid rgba(233,111,36,.38);outline-offset:2px}

body.login-page{margin:0;min-height:100vh;display:grid;place-items:center;background:var(--ui-paper);color:var(--ui-ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif}
body.login-page .card{width:min(420px,calc(100% - 32px));padding:34px;border:1px solid var(--ui-line);border-radius:var(--ui-radius);background:var(--ui-surface);box-shadow:0 12px 36px rgba(16,47,40,.07)}
body.login-page h1{margin:0 0 10px;font-size:36px;font-weight:800;letter-spacing:-.045em}
body.login-page .hint{margin:0 0 26px;color:var(--ui-muted);font-size:14px;line-height:1.7}
body.login-page label{display:block;margin:16px 0 7px;color:#52665e;font-size:12px;font-weight:800}
body.login-page input{width:100%;height:45px;padding:0 12px;border:1px solid var(--ui-line-strong);border-radius:8px;color:var(--ui-ink);font:inherit}
body.login-page input:focus{border-color:var(--ui-ink);outline:0;box-shadow:0 0 0 3px rgba(16,47,40,.09)}
body.login-page button{width:100%;height:46px;margin-top:22px;border:0;border-radius:8px;background:var(--ui-accent);color:#fff;font:inherit;font-weight:800;cursor:pointer}
body.login-page button:hover{background:var(--ui-accent-hover)}
body.login-page button:focus-visible,
body.login-page a:focus-visible{outline:3px solid rgba(233,111,36,.38);outline-offset:2px}
body.login-page .error{padding:11px 12px;border-radius:8px;background:#fff2ec;color:var(--ui-danger)}
body.login-page .card>a{display:block;margin-top:18px;color:var(--ui-muted);font-size:13px;text-align:center;text-decoration:none}
body.login-page .card>a:hover{color:var(--ui-ink)}

.product-intro-page .intro-workspace{width:min(100% - 56px,1440px);margin:0 auto;padding:34px 0 56px}
.product-intro-page .intro-hero{position:relative;display:grid;grid-template-columns:minmax(0,.9fr) minmax(420px,1.1fr);min-height:430px;overflow:hidden;border:1px solid var(--ui-line);border-radius:var(--ui-radius);background:#fff}
.product-intro-page .intro-hero-copy{position:relative;z-index:2;align-self:center;padding:58px 20px 58px 54px}
.product-intro-page .intro-hero h1{max-width:640px;margin:0;color:var(--ui-ink);font-family:"Microsoft YaHei","PingFang SC",sans-serif;font-size:clamp(38px,3.65vw,60px);font-weight:800;line-height:1.12;letter-spacing:-.055em}
.product-intro-page .intro-hero-subtitle{margin:28px 0 0;color:#2f4e45;font-size:20px;font-weight:700}
.product-intro-page .intro-enter{display:inline-flex;align-items:center;justify-content:center;min-height:42px;margin-top:28px;padding:0 20px;border-radius:8px;background:var(--ui-accent);color:#fff;font-size:13px;font-weight:800;text-decoration:none}
.product-intro-page .intro-enter:hover{background:var(--ui-accent-hover)}
.product-intro-page .intro-hero-visual{min-height:430px;background:linear-gradient(90deg,#fff 0%,rgba(255,255,255,.15) 28%),url('/assets/industrial-plant-line-art.webp') center/cover no-repeat}
.product-intro-page .intro-about{padding:64px 0;border-bottom:1px solid var(--ui-line)}
.product-intro-page .intro-section-title{margin-bottom:34px}
.product-intro-page .intro-section-title h2,
.product-intro-page .intro-about h2{max-width:820px;margin:0;color:var(--ui-ink);font-size:clamp(24px,2.2vw,34px);line-height:1.2;letter-spacing:-.04em}
.product-intro-page .intro-ops-showcase{margin:64px 0;padding:22px 46px 34px;border:1px solid var(--ui-line);border-radius:4px;background:#fff;box-shadow:0 14px 34px rgba(16,47,40,.08)}
.product-intro-page .intro-ops-showcase .intro-section-title{margin:0}
.product-intro-page .intro-ops-showcase .intro-section-title h2{max-width:none;color:var(--ui-deep);font-size:34px}
.product-intro-page .intro-ops-sub{margin:5px 0 0;color:#5e766b;font-size:17px;line-height:1.7}
.product-intro-page .intro-ops-stages{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:54px;margin:30px 26px 0}
.product-intro-page .intro-ops-stage{position:relative;min-height:185px;padding:34px 20px 20px;border-radius:16px;background:#155447;color:#fff;text-align:center;box-shadow:0 12px 22px rgba(16,47,40,.18)}
.product-intro-page .intro-ops-stage:nth-child(2){background:#347462}
.product-intro-page .intro-ops-stage:nth-child(3){background:#7b9e92}
.product-intro-page .intro-ops-stage:not(:last-child)::after{content:'➜';position:absolute;right:-51px;top:64px;z-index:2;color:var(--ui-accent);font-size:50px;font-weight:900}
.product-intro-page .intro-ops-stage .num{display:block;margin-bottom:12px;color:rgba(255,255,255,.9);font-size:15px;font-weight:900;letter-spacing:.1em}
.product-intro-page .intro-ops-stage h3{margin:0;font-size:38px;font-weight:500}
.product-intro-page .intro-ops-stage p{display:block;margin:16px 0 0;color:#fff;font-size:20px;line-height:1.4}
.product-intro-page .intro-ops-ai{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:54px;margin:20px 26px 0}
.product-intro-page .intro-ops-ai-card{position:relative;min-height:150px;padding:22px 18px;background:linear-gradient(180deg,#a8c4b9,#1f5e50);color:#fff;text-align:left;box-shadow:0 10px 16px rgba(16,47,40,.16)}
.product-intro-page .intro-ops-ai-card::before{content:'↕';position:absolute;left:50%;top:-38px;transform:translateX(-50%);color:var(--ui-accent);font-size:36px;font-weight:900}
.product-intro-page .intro-ops-ai-card b{display:block;color:#fff;font-size:13px;letter-spacing:.12em}
.product-intro-page .intro-ops-ai-card>span{display:block;margin-top:12px;font-size:17px;font-weight:800;line-height:1.5}
.product-intro-page .intro-ops-ai-card .ops-line{display:block;margin:0}
.product-intro-page .intro-ops-ai-card .ops-line::before{content:'➢';display:inline-block;margin-right:8px;color:#fff;font-weight:900}
.product-intro-page .intro-ops-ai-card:nth-child(2){background:linear-gradient(180deg,#8bb5a6,#1a584a)}
.product-intro-page .intro-ops-ai-card:nth-child(3){background:linear-gradient(180deg,#c0d4cb,#548174)}
.product-intro-page .intro-about{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px;border-bottom:0}
.product-intro-page .intro-about-copy p{max-width:700px;margin:0;color:var(--ui-muted);font-size:18px;line-height:1.9}
.product-intro-page .intro-about-copy p+p{margin-top:12px}
.product-intro-page .intro-contact{display:flex;gap:24px;flex-wrap:wrap;margin-top:24px;color:var(--ui-ink);font-size:17px;font-weight:800}
.product-intro-page .intro-contact a{color:inherit;text-decoration:none}

@media (max-width:1100px){
  body.phase1-shell-body .phase1-layout{grid-template-columns:1fr}
  body.phase1-shell-body .phase1-sidebar{position:relative;height:auto;padding-bottom:18px}
  body.phase1-shell-body .phase1-nav{grid-template-columns:repeat(3,minmax(0,1fr));align-items:start}
  .product-intro-page .intro-hero{grid-template-columns:1fr}
  .product-intro-page .intro-hero-copy{padding:50px 42px 20px}
  .product-intro-page .intro-hero-visual{min-height:300px}
}
@media (max-width:720px){
  body.phase1-shell-body .phase1-sidebar{padding:18px 14px}
  body.phase1-shell-body .phase1-brand{padding-bottom:18px}
  body.phase1-shell-body .phase1-nav{grid-template-columns:1fr}
  body.phase1-shell-body .phase1-main>.page,
  body.phase1-shell-body .phase1-main>.content,
  body.phase1-shell-body .phase1-main>.main{width:min(100% - 24px,1500px);padding-top:20px}
  body.phase1-shell-body .phase1-main .topbar h1,
  body.phase1-shell-body .phase1-main .hero h1,
  body.phase1-shell-body .phase1-main .top h1{font-size:31px}
  body.phase1-shell-body .phase1-main .searchbar,
  body.phase1-shell-body .phase1-main .card,
  body.phase1-shell-body .phase1-main .line-table-wrap{box-shadow:none}
  .product-intro-page .intro-workspace{width:min(100% - 24px,1440px);padding:20px 0 36px}
  .product-intro-page .intro-hero-copy{padding:38px 24px 18px}
  .product-intro-page .intro-hero h1{font-size:34px}
  .product-intro-page .intro-hero-subtitle{font-size:17px}
  .product-intro-page .intro-hero-visual{min-height:220px}
  .product-intro-page .intro-about{padding:48px 0}
  .product-intro-page .intro-about{grid-template-columns:1fr;gap:24px}
  .product-intro-page .intro-ops-showcase{margin:48px 0;padding:24px}
  .product-intro-page .intro-ops-stages,
  .product-intro-page .intro-ops-ai{grid-template-columns:1fr}
  .product-intro-page .intro-ops-stages,
  .product-intro-page .intro-ops-ai{gap:28px;margin-left:12px;margin-right:12px}
  .product-intro-page .intro-ops-stage:not(:last-child)::after{content:'↓';right:auto;left:50%;top:auto;bottom:-34px;color:var(--ui-accent)}
}
@media (prefers-reduced-motion:reduce){
  body.phase1-shell-body .phase1-main button,
  body.phase1-shell-body .phase1-main .button,
  body.phase1-shell-body .phase1-main .btn{transition:none}
}

/* Product introduction: keep the complete desktop overview in one viewport. */
@media (min-width:1101px) and (min-height:720px){
  body.product-intro-page .phase1-main{height:100vh;overflow:hidden}
  .product-intro-page .intro-workspace{
    box-sizing:border-box;
    width:min(100% - 40px,1540px);
    height:100vh;
    padding:clamp(16px,2.4vh,26px) 0 16px;
    display:grid;
    grid-template-rows:minmax(200px,29vh) minmax(290px,1fr) auto;
    gap:14px;
  }
  .product-intro-page .intro-hero{
    min-height:0;
    grid-template-columns:minmax(0,.78fr) minmax(480px,1.22fr);
    border-radius:14px;
  }
  .product-intro-page .intro-hero-copy{padding:32px 24px 32px 44px}
  .product-intro-page .intro-hero h1{max-width:560px;font-size:clamp(36px,3.25vw,54px)}
  .product-intro-page .intro-hero-subtitle{margin-top:14px;font-size:17px}
  .product-intro-page .intro-enter{min-height:38px;margin-top:18px;padding:0 18px}
  .product-intro-page .intro-hero-visual{min-height:0;background-position:center right}

  .product-intro-page .intro-ops-showcase{
    min-height:0;
    margin:0;
    padding:18px 34px 16px;
    border-radius:14px;
    box-shadow:0 10px 25px rgba(16,47,40,.07);
  }
  .product-intro-page .intro-section-title h2,
  .product-intro-page .intro-ops-showcase .intro-section-title h2{font-size:clamp(24px,2vw,30px)}
  .product-intro-page .intro-ops-sub{margin-top:3px;font-size:14px;line-height:1.45}
  .product-intro-page .intro-ops-stages{gap:44px;margin:16px 24px 0}
  .product-intro-page .intro-ops-stage{min-height:86px;padding:15px 14px 12px;border-radius:12px}
  .product-intro-page .intro-ops-stage:not(:last-child)::after{right:-43px;top:22px;font-size:42px}
  .product-intro-page .intro-ops-stage .num{margin-bottom:7px;font-size:11px;letter-spacing:.08em}
  .product-intro-page .intro-ops-stage h3{font-size:27px;line-height:1.15}
  .product-intro-page .intro-ops-stage p{margin-top:7px;font-size:15px}
  .product-intro-page .intro-ops-ai{gap:44px;margin:14px 24px 0}
  .product-intro-page .intro-ops-ai-card{min-height:70px;padding:12px 14px;box-shadow:0 7px 14px rgba(16,47,40,.12)}
  .product-intro-page .intro-ops-ai-card::before{top:-27px;font-size:28px}
  .product-intro-page .intro-ops-ai-card b{font-size:11px}
  .product-intro-page .intro-ops-ai-card>span{margin-top:6px;font-size:13px;line-height:1.4}
  .product-intro-page .intro-ops-ai-card .ops-line::before{margin-right:5px}

  .product-intro-page .intro-about{
    align-items:center;
    gap:34px;
    padding:12px 28px;
    border:1px solid var(--ui-line);
    border-radius:14px;
    background:#fff;
  }
  .product-intro-page .intro-about h2{font-size:22px}
  .product-intro-page .intro-about-copy p{font-size:13px;line-height:1.55}
  .product-intro-page .intro-about-copy p+p{margin-top:3px}
  .product-intro-page .intro-contact{gap:18px;margin-top:7px;font-size:13px}
}

body.login-page{display:grid;min-height:100vh;place-items:center;margin:0;padding:24px;background:var(--ui-paper);color:var(--ui-ink);font-family:"Microsoft YaHei","PingFang SC",sans-serif}
body.login-page .card{width:min(100%,400px);padding:36px;border:1px solid var(--ui-line);border-radius:10px;background:#fff;box-shadow:0 16px 42px rgba(16,47,40,.08)}
body.login-page h1{margin:0 0 10px;font-size:28px;letter-spacing:-.03em}
body.login-page .hint{margin:0 0 28px;color:var(--ui-muted);font-size:14px;line-height:1.7}
body.login-page label{display:block;margin:16px 0 7px;color:var(--ui-ink);font-size:13px;font-weight:800}
body.login-page input{box-sizing:border-box;width:100%;min-height:42px;padding:0 12px;border:1px solid var(--ui-line);border-radius:7px;background:#fff;color:var(--ui-ink);font:inherit}
body.login-page input:focus{outline:2px solid rgba(233,111,36,.18);outline-offset:1px;border-color:var(--ui-accent)}
body.login-page button{width:100%;min-height:42px;margin-top:24px;border:1px solid var(--ui-accent);border-radius:7px;background:var(--ui-accent);color:#fff;font:inherit;font-size:14px;font-weight:800;cursor:pointer}
body.login-page button:hover{background:var(--ui-accent-hover)}
body.login-page a{display:inline-block;margin-top:18px;color:var(--ui-deep);font-size:13px;font-weight:800;text-decoration:none}
body.login-page .error{margin:16px 0;padding:10px 12px;border:1px solid #f1c4af;border-radius:7px;background:#fff7f2;color:#a6431a;font-size:13px}