/* GRAB V4: spacious desktop layout, readable text, responsive static page. */
:root{--blue:#0867ff;--ink:#101d35;--muted:#718097;--border:#e4ebf4;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;font-size:16px;font-synthesis:none;scroll-behavior:smooth;scroll-padding-top:32px}
*{box-sizing:border-box}body{margin:0;background:#fff}h1,h2,h3,p,figure{margin:0}ul,ol{list-style:none;margin:0;padding:0}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}img{display:block;max-width:100%;height:auto}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:2px solid var(--blue);outline-offset:5px}.container,.header-inner{width:min(1200px,calc(100% - 80px));margin-inline:auto}.svg-defs{position:absolute;width:0;height:0;overflow:hidden}.icon{width:24px;height:24px;display:inline-block;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle}.skip-link{position:fixed;z-index:30;top:12px;left:12px;padding:12px 20px;background:#fff;transform:translateY(-180%)}.skip-link:focus{transform:none}
.site-header{height:82px;border-bottom:1px solid #e9f0f8;background:#fff}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:flex;align-items:center;gap:9px;white-space:nowrap}.brand strong{font-family:Arial,sans-serif;font-weight:800;font-size:24px;letter-spacing:-.5px}.brand span{font-size:15px;font-weight:650}.brand-icon{color:var(--blue);width:28px;height:28px}.site-header nav{display:flex;align-items:center;gap:30px;font-size:15px;font-weight:500}.site-header nav a{padding:10px 0}.site-header nav a:hover{color:var(--blue)}.mobile-toggle{display:none}
.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid #c8d9ef;border-radius:8px;padding:15px 26px;min-height:54px;background:#fff;white-space:nowrap;font-size:16px;font-weight:650;line-height:1.4;transition:background .15s,transform .15s,box-shadow .15s}.button:hover{background:#f4f8ff;transform:translateY(-1px);box-shadow:0 5px 15px #0867ff12}.button .icon{width:22px;height:22px}.primary{background:var(--blue);color:#fff;border-color:var(--blue);box-shadow:0 5px 15px #0867ff18}.primary:hover{background:#0059df;border-color:#0059df}.secondary{color:var(--blue);border-color:var(--blue)}.header-download{min-height:44px;font-size:14px;padding:11px 18px}.header-download .icon{width:18px;height:18px}
.hero{padding-top:44px;overflow:hidden;background:url("../images/hero-background.svg") center top/100% 100% no-repeat}.hero-copy{text-align:center}.eyebrow-pill{display:inline-flex;padding:8px 19px;border-radius:30px;font-size:13px;font-weight:650;color:var(--blue);background:#e5f2ff;line-height:1.4}h1{font-size:82px;font-weight:900;line-height:1.16;letter-spacing:-1.5px;margin-top:25px}h1 span{color:var(--blue)}.hero-description{font-size:18px;line-height:1.95;margin-top:24px;color:#30415c;white-space:nowrap}.hero-actions{display:flex;justify-content:center;gap:20px;margin-top:30px}.hero-meta{margin-top:15px;font-size:13px;line-height:1.7;color:var(--muted)}.product-preview{width:100%;margin:40px auto 0}.product-preview img{width:100%;height:auto}.capabilities{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:28px 24px 56px}.capabilities li{display:flex;align-items:center;justify-content:center;gap:13px;font-size:15px;color:#405571;white-space:nowrap}.capabilities .icon{color:var(--blue);width:30px;height:30px;stroke-width:2}
h2{font-size:36px;line-height:1.4;font-weight:800;letter-spacing:-.7px}.section-kicker{display:block;color:var(--blue);font-size:14px;font-weight:650;line-height:1.6;margin-bottom:14px}.features{padding-top:42px;padding-bottom:84px}.features .section-kicker{border-left:3px solid var(--blue);padding-left:12px}.features>h2{margin-bottom:32px}.feature-grid{display:grid;grid-template-columns:403fr 387fr;align-items:start;gap:28px}.feature-card-image{width:100%;height:auto;object-fit:contain}.feature-image-column{display:flex;flex-direction:column;gap:25px}.feature-tags{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.feature-tags li{display:flex;align-items:center;gap:7px;background:#f0f7ff;color:#396083;padding:9px 16px;border-radius:30px;font-size:13px;line-height:1.5}.feature-tags .icon{width:16px;height:16px;color:var(--blue)}
.workflow{background:#eff8ff;padding:58px 0 64px}.workflow h2{margin-bottom:30px}.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:38px}.steps li{position:relative;display:flex;align-items:center;gap:14px;padding:26px 22px;background:#fff;border-radius:12px;min-height:118px}.steps li:not(:last-child)::after{content:"";position:absolute;right:-24px;top:53px;width:9px;height:9px;transform:rotate(45deg);border-top:2px solid #7db3ff;border-right:2px solid #7db3ff}.step-number{font-size:24px;font-weight:750;color:var(--blue);align-self:center;margin-top:0;line-height:1}.step-icon{width:50px;height:50px;flex:none;display:grid;place-items:center;border-radius:50%;background:#e8f4ff;color:var(--blue)}.step-icon .icon{width:29px;height:29px;stroke-width:2}.steps h3{font-size:18px;font-weight:700;line-height:1.5}.steps p{font-size:13px;color:var(--muted);line-height:1.9;margin-top:5px}
.section-space{padding:96px 0}.center-heading{text-align:center;margin-bottom:44px}.center-heading .section-kicker{margin-bottom:12px}.center-heading h2{font-size:40px}.center-heading>p{font-size:17px;line-height:1.9;color:var(--muted);margin-top:17px}.scenario-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:75px}.scenario-card{padding:38px 36px 42px;background:#f9fafc;border:1px solid #e9edf3;border-radius:20px;box-shadow:0 12px 45px #1d365405}.scenario-category{display:flex;align-items:center;gap:10px;color:var(--blue);font-size:14px;font-weight:650;line-height:1.5;margin-bottom:27px}.scenario-category .icon{width:22px;height:22px}.scenario-item+.scenario-item{margin-top:30px}.scenario-item h3{font-size:20px;line-height:1.65;font-weight:700;letter-spacing:-.25px}.scenario-item p{font-size:16px;line-height:1.95;color:var(--muted);margin-top:10px}
.settings-section{background:linear-gradient(180deg,#fff,#f7fbff);padding-top:24px;padding-bottom:105px}.settings-layout{display:grid;grid-template-columns:.95fr 1.15fr;align-items:center;gap:62px}.settings-copy h2{font-size:36px;line-height:1.55;letter-spacing:-.9px}.settings-intro{font-size:16px;color:var(--muted);line-height:2;margin-top:20px}.settings-benefits{display:flex;flex-direction:column;gap:24px;margin-top:30px}.settings-benefits li{display:flex;gap:13px;align-items:flex-start}.benefit-check{display:grid;place-items:center;flex:none;width:25px;height:25px;border-radius:50%;background:var(--blue);color:#fff;margin-top:4px}.benefit-check .icon{width:17px;height:17px;stroke-width:2.5}.settings-benefits h3{font-size:17px;line-height:1.8;font-weight:650}.settings-benefits p{color:var(--muted);font-size:14px;line-height:1.95;margin-top:5px}.settings-visual{padding:12px;background:#fff;border:1px solid var(--border);border-radius:20px;box-shadow:0 20px 65px #2961a00a}.settings-visual img{width:100%;height:auto;border-radius:12px}.settings-visual figcaption{text-align:center;color:#8b99ad;font-size:12px;letter-spacing:1px;line-height:1.6;padding:15px 8px 8px}
.closing-cta{text-align:center;padding:50px 0 54px;background:#0b2039 url("../images/mountain-footer-hd-v3.png") center 68%/cover no-repeat;color:#fff}.closing-cta h2{font-size:32px;line-height:1.6;letter-spacing:0;margin-bottom:23px}.closing-cta .button{font-size:16px;min-height:50px;padding:13px 24px}
.site-footer{background:#fff;padding-top:78px}.footer-main{display:grid;grid-template-columns:2.15fr .72fr .83fr 1fr;gap:50px;padding-bottom:72px}.footer-identity{display:inline-flex;align-items:center;gap:13px}.footer-logo{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:#eff5ff;color:var(--blue)}.footer-logo .icon{width:32px;height:32px}.footer-identity strong{display:block;font-size:23px;line-height:1.3;font-weight:750;letter-spacing:-.5px}.footer-identity small{display:block;color:#6f7f96;letter-spacing:3px;font-size:15px;margin-top:4px;line-height:1.4}.footer-about>p{font-size:15px;color:var(--muted);line-height:2;max-width:410px;margin-top:25px}.footer-shortcuts{display:flex;gap:13px;margin-top:25px}.footer-shortcuts a,.footer-shortcuts button{display:grid;place-items:center;width:44px;height:44px;border:1px solid var(--border);background:#fff;border-radius:10px;font-size:17px;font-weight:650;color:#344761;transition:color .15s,border-color .15s}.footer-shortcuts .icon{width:19px;height:19px}.footer-shortcuts a:hover,.footer-shortcuts button:hover{color:var(--blue);border-color:#9dc4ff}.footer-column{display:flex;flex-direction:column;align-items:flex-start;gap:18px;padding-top:5px;min-width:0}.footer-column h2{font-size:19px;line-height:1.5;letter-spacing:0;margin-bottom:5px}.footer-column>a,.footer-column>p{font-size:15px;line-height:1.85;color:var(--muted)}.footer-column a:hover{color:var(--blue)}.footer-contact p{line-height:1.9;overflow-wrap:anywhere}.text-button{padding:0;border:0;background:none;color:inherit;font:inherit}.text-button:hover{color:var(--blue)}.footer-column .footer-contact-link{font-size:13px;color:#5479ac;margin-top:6px;line-height:1.7}.footer-bottom{border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:24px;padding:26px 0 30px;min-height:84px;color:#8794a7;font-size:13px;line-height:1.8}.footer-bottom small{font-size:inherit}.footer-bottom>div{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.footer-bottom a:hover{color:var(--blue)}
.toast{position:fixed;z-index:50;left:50%;top:50%;transform:translate(-50%,-50%);max-width:calc(100vw - 32px);background:#fff;border:1px solid #cfe3f8;border-radius:10px;box-shadow:0 8px 40px #12335e2b;color:#274967;padding:18px 26px;font-size:15px;text-align:center;line-height:1.8}.toast[hidden]{display:none}
@media(max-width:1100px){.container,.header-inner{width:calc(100% - 64px)}.site-header nav{gap:19px;font-size:14px}.brand strong{font-size:21px}.brand span{font-size:13px}.header-download{font-size:12px;padding:10px 12px}.hero-description{font-size:17px}.capabilities{padding-inline:0;gap:14px}.capabilities li{font-size:13px;gap:9px}.feature-grid{gap:22px}.steps{gap:22px}.steps li{padding:22px 16px;gap:10px}.steps li:not(:last-child)::after{right:-16px;width:8px;height:8px}.step-number{font-size:21px}.step-icon{width:42px;height:42px}.steps h3{font-size:16px}.steps p{font-size:12px}.scenario-card{padding:30px 27px}.scenario-item h3{font-size:19px}.scenario-item p{font-size:15px}.settings-layout{gap:36px}.settings-copy h2{font-size:30px}.settings-intro{font-size:15px}.settings-benefits h3{font-size:16px}.settings-benefits p{font-size:13px}.footer-main{gap:30px;grid-template-columns:1.6fr .7fr .8fr 1fr}.footer-identity strong{font-size:19px}.footer-about>p{font-size:14px}.footer-column>a,.footer-column>p{font-size:14px}}
@media(max-width:760px){:root{scroll-padding-top:24px}.container,.header-inner{width:calc(100% - 40px)}.site-header{height:68px}.header-inner{gap:12px}.brand{gap:6px}.brand strong{font-size:21px}.brand span{font-size:11px}.brand-icon{width:25px;height:25px}.header-download{font-size:11px;min-height:36px;padding:9px 10px;border-radius:6px}.header-download .icon{display:none}.mobile-toggle{display:block;order:3;padding:4px;border:0;background:none;color:#234268}.mobile-toggle .icon{width:24px;height:24px}.site-header nav{display:none;position:absolute;left:0;right:0;top:67px;z-index:10;justify-content:center;flex-wrap:wrap;gap:24px;background:#fff;border-bottom:1px solid var(--border);padding:18px 20px;font-size:14px}.site-header nav.open{display:flex}.hero{padding-top:34px}.eyebrow-pill{font-size:11px;padding:7px 14px}h1{font-size:clamp(32px,8.2vw,53px);line-height:1.2;letter-spacing:-.7px;margin-top:22px}.hero-description{font-size:14px;line-height:1.9;margin-top:20px;white-space:normal}.hero-actions{gap:12px;margin-top:24px}.button{padding:13px 17px;min-height:48px;font-size:14px;gap:8px}.button .icon{width:19px;height:19px}.hero-meta{font-size:10px;margin-top:13px}.product-preview{margin-top:30px;width:calc(100% + 12px);max-width:none;margin-left:-6px}.capabilities{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 8px;padding:22px 0 37px}.capabilities li{font-size:12px;gap:8px}.capabilities .icon{width:25px;height:25px}h2{font-size:28px;line-height:1.55;letter-spacing:-.4px}.section-kicker{font-size:12px;margin-bottom:11px}.features{padding-top:24px;padding-bottom:46px}.features>h2{margin-bottom:24px}.feature-grid{grid-template-columns:1fr;gap:22px}.feature-image-column{gap:20px}.feature-tags{margin-top:15px;gap:9px}.feature-tags li{padding:8px 12px;font-size:12px}.feature-tags .icon{width:14px;height:14px}.workflow{padding:35px 0 40px}.workflow h2{margin-bottom:24px}.steps{grid-template-columns:1fr;gap:16px}.steps li{min-height:96px;padding:22px;gap:16px}.steps li:not(:last-child)::after{display:none}.step-number{font-size:25px;align-self:center;margin:0}.step-icon{width:48px;height:48px}.steps h3{font-size:17px}.steps p{font-size:13px;margin-top:3px}.section-space{padding:54px 0}.center-heading{margin-bottom:28px}.center-heading h2{font-size:29px;line-height:1.5}.center-heading>p{font-size:14px;margin-top:13px;line-height:1.9}.scenario-grid{grid-template-columns:1fr;gap:20px}.scenario-card{padding:27px 24px 30px;border-radius:15px}.scenario-category{font-size:13px;gap:9px;margin-bottom:22px}.scenario-item+.scenario-item{margin-top:24px}.scenario-item h3{font-size:18px;line-height:1.6}.scenario-item p{font-size:14px;line-height:1.95;margin-top:8px}.settings-section{padding-top:10px;padding-bottom:54px}.settings-layout{grid-template-columns:1fr;gap:30px}.settings-copy h2{font-size:29px;line-height:1.5}.settings-intro{font-size:14px;line-height:2;margin-top:18px}.settings-benefits{gap:21px;margin-top:25px}.settings-benefits li{gap:11px}.settings-benefits h3{font-size:16px}.settings-benefits p{font-size:13px;line-height:1.95;margin-top:4px}.benefit-check{width:22px;height:22px;margin-top:4px}.benefit-check .icon{width:15px;height:15px;stroke-width:2.5}.settings-visual{padding:7px;border-radius:14px}.settings-visual img{border-radius:8px}.settings-visual figcaption{font-size:11px;letter-spacing:0;padding:11px 4px 5px}.closing-cta{padding:36px 0 40px;background-position:center 68%;background-size:cover}.closing-cta h2{font-size:23px;line-height:1.6;margin-bottom:20px}.closing-cta .button{font-size:14px;min-height:48px}.site-footer{padding-top:44px}.footer-main{grid-template-columns:repeat(2,minmax(0,1fr));gap:35px 24px;padding-bottom:38px}.footer-about{grid-column:1/-1}.footer-identity strong{font-size:23px}.footer-identity small{font-size:14px}.footer-about>p{font-size:14px;line-height:2;margin-top:20px;max-width:none}.footer-shortcuts{margin-top:20px;gap:12px}.footer-shortcuts a,.footer-shortcuts button{width:42px;height:42px}.footer-column{gap:14px;padding:0}.footer-column h2{font-size:18px;margin-bottom:3px}.footer-column>a,.footer-column>p{font-size:14px}.footer-contact{grid-column:1/-1}.footer-contact p{font-size:14px}.footer-contact p br{display:none}.footer-contact-link{font-size:13px}.footer-bottom{flex-direction:column;align-items:flex-start;gap:9px;padding:21px 0 25px;font-size:12px}.footer-bottom>div{gap:7px}}
@media(max-width:760px){.header-download{padding:9px 10px;min-height:36px;font-size:11px;gap:0}.mobile-toggle{flex:none}.header-inner{gap:8px}}
.brand-logo{width:120px;height:auto}.footer-brand-logo{width:160px;height:auto}
@media(max-width:1100px){.brand-logo{width:120px}}
@media(max-width:760px){.brand-logo{width:100px}.footer-brand-logo{width:140px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}

/* 黄色通知条通栏全宽 + 单行滚动；关闭后由脚本持久隐藏。 */
.site-header{position:relative}
.migration-notice{
  width:100%;
  background:#fff8e8;
  border-bottom:1px solid #f0d9a0;
  padding:0;
}
.migration-notice[hidden]{display:none!important}
.notice-inner{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:40px;
  padding:8px 0;
  background:transparent;
  border:0;
  border-radius:0;
}
.notice-badge{
  flex:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:22px;
  padding:0 8px;
  border-radius:4px;
  background:#e6a23c;
  color:#fff;
  font-size:12px;
  font-weight:650;
  line-height:1;
}
.notice-marquee{
  flex:1;
  min-width:0;
  overflow:hidden;
  mask-image:linear-gradient(90deg,transparent,#000 12px,#000 calc(100% - 12px),transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12px,#000 calc(100% - 12px),transparent);
}
.notice-marquee-track{
  display:inline-flex;
  width:max-content;
  align-items:center;
  gap:48px;
  animation:notice-marquee 28s linear infinite;
}
.notice-marquee:hover .notice-marquee-track,
.notice-marquee:focus-within .notice-marquee-track{animation-play-state:paused}
.notice-marquee-text{
  margin:0;
  white-space:nowrap;
  font-size:13px;
  line-height:1.5;
  color:#5c4a2e;
}
@keyframes notice-marquee{
  from{transform:translateX(0)}
  to{transform:translateX(calc(-50% - 24px))}
}
.notice-close{
  flex:none;
  width:28px;
  height:28px;
  padding:0;
  border:0;
  border-radius:6px;
  background:transparent;
  color:#b89a62;
  font-size:20px;
  line-height:1;
  cursor:pointer;
}
.notice-close:hover{background:#f3e6c8;color:#6a5428}
@media(max-width:760px){
  .notice-inner{gap:8px;min-height:36px;padding:7px 0}
  .notice-marquee-text{font-size:12px}
  .notice-marquee-track{animation-duration:22s}
  .site-header nav{top:100%}
}
@media(prefers-reduced-motion:reduce){
  .notice-marquee-track{animation:none}
  .notice-marquee{overflow-x:auto}
  .notice-marquee-text[aria-hidden="true"]{display:none}
}