:root{color-scheme:dark;--color-black: #050505;--color-panel: #101010;--color-panel-raised: #171717;--color-white: #f7f7f3;--color-muted: #a2a2a0;--color-border: rgba(255, 255, 255, .16);--color-border-strong: rgba(255, 255, 255, .34);--color-accent: #fa5aa2;--color-success: #63d392;--font-sans: Inter, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;--font-display: "Arial Narrow", Impact, var(--font-sans);--header-height: 72px;--content-width: 1440px;--page-padding: clamp(20px, 4vw, 64px);--radius-small: 8px;--radius-medium: 18px;--radius-large: 30px;--transition-fast: .18s ease}*{box-sizing:border-box}html{min-width:320px;background:var(--color-black);scroll-behavior:smooth}body{min-width:320px;min-height:100vh;margin:0;background:var(--color-black);color:var(--color-white);font-family:var(--font-sans);line-height:1.5;text-rendering:optimizeLegibility}button,input,textarea,select{color:inherit;font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{border:0;cursor:pointer}a{color:inherit;text-decoration:none}img,video{display:block;max-width:100%}h1,h2,h3,p{margin-top:0}:focus-visible{outline:2px solid var(--color-accent);outline-offset:4px}#app,.app-shell{min-height:100vh}.eyebrow{margin-bottom:14px;color:var(--color-accent);font-size:.72rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.back-link{display:inline-flex;align-items:center;margin-bottom:48px;color:var(--color-muted);font-size:.88rem;transition:color var(--transition-fast)}.back-link:hover{color:var(--color-white)}.empty-state{min-height:160px;padding:42px;border:1px dashed var(--color-border-strong);border-radius:var(--radius-medium);color:var(--color-muted);display:grid;place-items:center;text-align:center}.site-header,.private-header{position:sticky;z-index:40;top:0;min-height:var(--header-height);padding:0 var(--page-padding);border-bottom:1px solid var(--color-border);background:#050505f0;display:flex;align-items:center}.site-header{justify-content:space-between;gap:32px}.site-header__brand,.private-header__brand{display:inline-flex;align-items:center;min-width:130px}.app-brand{display:inline-flex;align-items:center}.app-brand__logo{width:auto;height:28px;object-fit:contain}.app-brand__word{font-size:1.05rem;font-weight:900;letter-spacing:.22em}.site-header__nav,.private-header__nav{display:flex;align-items:center;gap:clamp(18px,2.6vw,42px)}.site-header__nav a,.private-header__nav a{position:relative;padding:24px 0;color:var(--color-muted);font-size:.76rem;font-weight:700;letter-spacing:.08em;transition:color var(--transition-fast)}.site-header__nav a:after,.private-header__nav a:after{position:absolute;right:0;bottom:17px;left:0;height:1px;background:var(--color-accent);content:"";transform:scaleX(0);transition:transform var(--transition-fast)}.site-header__nav a:hover,.site-header__nav a.router-link-active,.private-header__nav a:hover,.private-header__nav a.router-link-active{color:var(--color-white)}.site-header__nav a:hover:after,.site-header__nav a.router-link-active:after,.private-header__nav a:hover:after,.private-header__nav a.router-link-active:after{transform:scaleX(1)}.private-header{gap:48px}.private-header__account{margin-left:auto;display:flex;align-items:center;gap:20px}.private-header__account span{color:var(--color-muted);font-size:.76rem}.private-header__account button{padding:9px 15px;border:1px solid var(--color-border);border-radius:999px;background:transparent;font-size:.76rem;transition:border-color var(--transition-fast),color var(--transition-fast)}.private-header__account button:hover{border-color:var(--color-accent);color:var(--color-accent)}.site-page,.system-page{min-height:calc(100vh - var(--header-height))}.system-page{padding:var(--page-padding)}.home-hero{position:relative;height:min(76vw,920px);min-height:520px;overflow:hidden;background:var(--color-panel)}.media-asset{width:100%;height:100%;object-fit:cover}.marquee{overflow:hidden;border-block:1px solid var(--color-border)}.marquee__track{width:max-content;padding:20px 0;display:flex;animation:marquee 32s linear infinite}.marquee__track span{padding:0 clamp(26px,4vw,68px);color:var(--color-muted);font-family:var(--font-display);font-size:clamp(1.1rem,2.2vw,2rem);letter-spacing:.08em;text-transform:uppercase}@keyframes marquee{to{transform:translate(-50%)}}.gallery-heading{max-width:820px;padding:clamp(72px,10vw,150px) var(--page-padding) clamp(40px,6vw,90px)}.gallery-heading h1{margin-bottom:24px;font-family:var(--font-display);font-size:clamp(2.6rem,7vw,7.4rem);font-weight:900;letter-spacing:-.035em;line-height:.92;text-transform:uppercase}.gallery-heading p{max-width:600px;margin-bottom:0;color:var(--color-muted);font-size:clamp(1rem,1.5vw,1.25rem)}.image-rail{overflow:hidden;padding-bottom:clamp(80px,12vw,170px)}.image-rail__track{width:max-content;display:flex;gap:18px;animation:image-rail 70s linear infinite}.image-rail:hover .image-rail__track{animation-play-state:paused}.image-card{position:relative;width:clamp(240px,27vw,430px);aspect-ratio:.78;overflow:hidden;background:var(--color-panel)}.image-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.image-card:hover img{transform:scale(1.035)}.image-card span{position:absolute;right:20px;bottom:18px;left:20px;font-size:.74rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}@keyframes image-rail{to{transform:translate(calc(-50% - 9px))}}.brand-slides{position:relative;width:100%;aspect-ratio:11927 / 3554;overflow:hidden;background:var(--color-black)}.brand-slides__image{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;opacity:0;animation:brand-slide-fade 15s infinite}.brand-slides__image--1{animation-delay:0s}.brand-slides__image--2{animation-delay:5s}.brand-slides__image--3{animation-delay:10s}@keyframes brand-slide-fade{0%,28%{opacity:1}33%,95%{opacity:0}to{opacity:1}}.content-hero{position:relative;min-height:calc(100vh - var(--header-height));overflow:hidden;display:flex;align-items:flex-end}.content-hero:after{position:absolute;inset:0;background:#00000057;content:""}.content-hero>.media-asset{position:absolute;inset:0}.content-hero__copy{position:relative;z-index:1;width:min(760px,100%);padding:clamp(48px,8vw,120px) var(--page-padding)}.content-hero__copy h1{margin-bottom:22px;font-family:var(--font-display);font-size:clamp(3.4rem,10vw,10rem);letter-spacing:-.04em;line-height:.86}.content-hero__copy>p:last-of-type{max-width:620px;color:#ffffffc7;font-size:clamp(1rem,1.6vw,1.25rem)}.content-hero__actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:10px}.content-hero__actions a{padding:10px 16px;border:1px solid rgba(255,255,255,.45);border-radius:999px;font-size:.76rem;transition:background var(--transition-fast),color var(--transition-fast)}.content-hero__actions a:hover{background:var(--color-white);color:var(--color-black)}.product-page{width:min(var(--content-width),100%);min-height:70vh;margin:0 auto;padding:clamp(48px,8vw,120px) var(--page-padding)}.product-page__header{margin-bottom:clamp(40px,6vw,80px)}.product-page__header a,.product-page__header p{color:var(--color-muted);font-size:.8rem}.product-page__header h1{max-width:960px;margin:24px 0 12px;font-family:var(--font-display);font-size:clamp(3rem,8vw,7rem);line-height:.95}.product-gallery{columns:2;column-gap:18px}.product-gallery img{width:100%;margin-bottom:18px;break-inside:avoid;background:var(--color-panel)}.splash-intro{position:fixed;z-index:100;inset:0;background:var(--color-black)}.splash-intro button{position:absolute;right:30px;bottom:30px;padding:11px 18px;border:1px solid rgba(255,255,255,.42);border-radius:999px;background:#0000008a;font-size:.72rem;font-weight:800;letter-spacing:.12em}.login-page{min-height:calc(100vh - var(--header-height));min-height:calc(100svh - var(--header-height));padding:clamp(24px,4vw,56px) var(--page-padding);display:grid;place-items:center}.login-card{width:min(100%,480px);padding:clamp(30px,4vw,44px);border:1px solid var(--color-border);border-radius:22px;background:var(--color-panel);display:flex;align-items:center;flex-direction:column;text-align:center}.login-card .eyebrow{margin-bottom:16px}.login-card h1{margin-bottom:14px;font-family:var(--font-sans);font-size:clamp(2.1rem,5vw,3.5rem);font-weight:800;letter-spacing:.06em;line-height:1.12}.login-card__subtitle{max-width:400px;margin-bottom:28px;color:var(--color-muted);font-size:.92rem}.feishu-button{width:100%;min-height:52px;padding:10px 20px;border-radius:var(--radius-small);background:var(--color-white);color:var(--color-black);display:flex;align-items:center;justify-content:center;gap:12px;font-weight:800;transition:background var(--transition-fast),transform var(--transition-fast)}.feishu-button__icon{width:26px;height:26px;flex:0 0 auto;object-fit:contain}.feishu-button:not(:disabled):hover{background:var(--color-accent);transform:translateY(-2px)}.feishu-button:disabled{cursor:not-allowed;opacity:.45}.login-error{width:100%;margin:18px 0 0;color:var(--color-accent);font-size:.82rem}.gateway{width:min(var(--content-width),100%);margin:0 auto}.gateway__hero{min-height:330px;padding:clamp(36px,6vw,84px);border:1px solid var(--color-border);border-radius:var(--radius-large);background:var(--color-panel);display:flex;align-items:flex-end;justify-content:space-between;gap:48px}.gateway__hero h1{margin-bottom:18px;font-family:var(--font-display);font-size:clamp(3rem,6vw,6.6rem);letter-spacing:-.035em;line-height:.9}.gateway__hero>div:first-child>p:last-child{max-width:620px;margin-bottom:0;color:var(--color-muted)}.session-status{flex:0 0 auto;padding:18px 20px;border:1px solid var(--color-border);border-radius:var(--radius-medium);background:var(--color-black);display:flex;align-items:center;gap:14px}.session-status>span{width:10px;height:10px;border-radius:50%;background:var(--color-success)}.session-status strong,.session-status small{display:block}.session-status strong{margin-bottom:3px;font-size:.84rem}.session-status small{color:var(--color-muted);font-size:.7rem}.gateway__heading{margin:clamp(58px,8vw,110px) 0 30px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px}.gateway__heading h2{margin-bottom:0;font-size:clamp(2rem,4vw,4rem);letter-spacing:-.035em}.gateway__heading>span{color:var(--color-muted);font-size:.78rem}.application-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.application-card{position:relative;min-height:220px;padding:28px;overflow:hidden;border:1px solid var(--color-border);border-radius:var(--radius-medium);background:var(--color-panel);text-align:left;display:grid;grid-template-columns:auto 1fr auto;grid-template-rows:auto 1fr;gap:18px 22px;transition:border-color var(--transition-fast),transform var(--transition-fast)}.application-card:hover{border-color:var(--color-accent);transform:translateY(-4px)}.application-card__sequence{color:var(--color-muted);font-size:.68rem;letter-spacing:.12em}.application-card__icon{grid-row:2;width:54px;height:54px;border-radius:15px;background:var(--color-white);color:var(--color-black);display:grid;place-items:center;font-weight:900}.application-card__body{grid-column:2;grid-row:2;display:flex;flex-direction:column}.application-card__meta{margin-bottom:8px;color:var(--color-accent);font-size:.66rem;font-weight:800;letter-spacing:.1em}.application-card__body strong{margin-bottom:6px;font-size:1.1rem}.application-card__body>span:last-child{color:var(--color-muted);font-size:.78rem}.application-card__action{grid-column:3;grid-row:2;align-self:end;font-size:.74rem;font-weight:800}.application-card__action b{color:var(--color-accent);font-size:1rem}.security-note{margin:22px 0;padding:20px 24px;border:1px solid var(--color-border);border-radius:var(--radius-medium);color:var(--color-muted);display:flex;align-items:center;gap:14px}.security-note>span{width:28px;height:28px;flex:0 0 auto;border-radius:50%;background:var(--color-success);color:var(--color-black);display:grid;place-items:center;font-weight:900}.security-note p{margin:0;font-size:.78rem}.legacy-redirect{min-height:60vh;display:grid;place-content:center;text-align:center}.legacy-redirect h1{margin-bottom:12px;font-size:clamp(2.5rem,6vw,5rem)}.legacy-redirect>p:last-child{color:var(--color-muted)}.admin-settings{width:min(var(--content-width),100%);margin:0 auto}.admin-settings__hero{padding:clamp(32px,5vw,64px);border:1px solid var(--color-border);border-radius:var(--radius-large);background:var(--color-panel);display:flex;align-items:flex-end;justify-content:space-between;gap:32px}.admin-settings__hero h1{margin-bottom:14px;font-size:clamp(2.6rem,5vw,5rem);letter-spacing:-.04em}.admin-settings__hero p:last-child{max-width:660px;margin:0;color:var(--color-muted)}.admin-settings button{padding:10px 16px;border:1px solid var(--color-white);border-radius:999px;background:var(--color-white);color:var(--color-black);font-size:.76rem;font-weight:800}.admin-settings button:disabled{cursor:not-allowed;opacity:.45}.admin-notice,.secret-panel{margin-top:18px;padding:16px 20px;border:1px solid var(--color-border);border-radius:var(--radius-medium);background:var(--color-panel)}.admin-notice--error{border-color:#c35c5c;color:#ff9f9f}.secret-panel{border-color:var(--color-accent);display:flex;align-items:center;justify-content:space-between;gap:24px}.secret-panel p{margin:4px 0 12px;color:var(--color-muted);font-size:.78rem}.secret-panel code{overflow-wrap:anywhere;color:var(--color-accent)}.secret-panel__actions{flex:0 0 auto;display:flex;flex-wrap:wrap;gap:10px}.admin-section{margin-top:clamp(52px,7vw,90px)}.admin-section__heading{margin-bottom:24px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px}.admin-section__heading h2{margin:0;font-size:clamp(2rem,4vw,3.6rem)}.admin-section__heading>span{color:var(--color-muted);font-size:.76rem}.admin-table-wrap{overflow-x:auto;border:1px solid var(--color-border);border-radius:var(--radius-medium)}.admin-table{width:100%;min-width:760px;border-collapse:collapse}.admin-table th,.admin-table td{padding:16px 18px;border-bottom:1px solid var(--color-border);text-align:left}.admin-table tr:last-child td{border-bottom:0}.admin-table th{color:var(--color-muted);font-size:.68rem;letter-spacing:.08em}.admin-table td{font-size:.78rem}.admin-table td strong,.admin-table td small{display:block}.admin-table td small{margin-top:3px;color:var(--color-muted)}.admin-settings input,.admin-settings select{width:100%;padding:11px 12px;border:1px solid var(--color-border);border-radius:9px;outline:none;background:var(--color-black);color:var(--color-white)}.admin-settings input:focus,.admin-settings select:focus{border-color:var(--color-accent)}.admin-check{display:inline-flex;align-items:center;gap:8px}.admin-check input{width:auto}.admin-app-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.admin-app-card{padding:24px;border:1px solid var(--color-border);border-radius:var(--radius-medium);background:var(--color-panel)}.admin-app-card--new{margin-top:18px;border-style:dashed}.admin-app-card__title{margin-bottom:22px;display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.admin-app-card__title strong,.admin-app-card__title small{display:block}.admin-app-card__title small{margin-top:4px;color:var(--color-muted)}.admin-app-card__title>span{color:var(--color-accent);font-size:.68rem;font-weight:900;letter-spacing:.1em}.admin-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.admin-form-grid label>span{display:block;margin-bottom:7px;color:var(--color-muted);font-size:.7rem}.admin-form-grid__wide{grid-column:1 / -1}.admin-app-card__actions{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px}.admin-settings .button-secondary{border-color:var(--color-border);background:transparent;color:var(--color-white)}.admin-settings .button-danger{margin-left:auto;border-color:#7f4141;background:transparent;color:#ff9f9f}@media(max-width:900px){.admin-settings__hero,.secret-panel{align-items:flex-start;flex-direction:column}.admin-app-list{grid-template-columns:1fr}}@media(max-width:560px){.admin-form-grid{grid-template-columns:1fr}.admin-form-grid__wide{grid-column:auto}}@media(max-width:900px){:root{--header-height: 62px}.site-header{position:relative;min-height:auto;padding-block:18px;align-items:flex-start;flex-direction:column;gap:12px}.site-header__nav{width:100%;overflow-x:auto;gap:22px}.site-header__nav a{flex:0 0 auto;padding:8px 0}.site-header__nav a:after{bottom:2px}.private-header{padding-block:14px;flex-wrap:wrap;gap:14px 28px}.private-header__nav{order:3;width:100%}.private-header__nav a{padding:4px 0 10px}.private-header__nav a:after{bottom:3px}.private-header__account span{display:none}.home-hero{height:68vh;min-height:480px}.login-page{min-height:calc(100svh - 118px)}.gateway__hero{align-items:flex-start;flex-direction:column}.application-grid{grid-template-columns:1fr}}@media(max-width:600px){.product-gallery{columns:1}.gateway__hero{min-height:0;padding:28px}.session-status{width:100%}.gateway__heading{align-items:flex-start;flex-direction:column}.application-card{grid-template-columns:auto 1fr}.application-card__action{display:none}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}