*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,"Microsoft YaHei","PingFang SC","Helvetica Neue",sans-serif;line-height:1.8;overflow-x:hidden}img{max-width:100%;height:auto;object-fit:contain;display:block}a{text-decoration:none;color:inherit}.wrap{width:min(1180px,calc(100% - 40px));margin:0 auto}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 18px;border-radius:999px;border:1px solid transparent;font-weight:700;white-space:nowrap;transition:.2s ease}.btn-primary{background:var(--btn);color:var(--btnText)}.btn-secondary{background:transparent;color:var(--secondaryText);border-color:var(--secondaryBorder)}.btn-ghost{background:transparent;color:var(--ghostText);border-color:rgba(255,255,255,.18)}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.badge{display:inline-flex;align-items:center;justify-content:center;padding:7px 12px;border-radius:999px;font-size:12px;letter-spacing:.06em}.section h2,.section h3,.hero h1{line-height:1.15}.mobile-bar{display:none}.faq details{background:var(--card);border-radius:18px;padding:16px 18px;margin:0 0 12px;border:1px solid var(--line)}.faq summary{cursor:pointer;font-weight:700}@media (max-width:1024px){.actions{flex-direction:row}}@media (max-width:768px){.wrap{width:min(100% - 28px,1180px)}.actions{flex-direction:column}.btn{width:auto}.mobile-bar{display:flex}.mobile-bar .btn{width:100%}}
body{background:#0F241C;color:#E8F4EC}.site-header{background:#142C23;color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}.header-inner{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;min-height:74px}.header-line{justify-self:center;letter-spacing:.16em;color:#B9D2C3}.hero{background:linear-gradient(180deg,#1E4A38 0%,#0F241C 100%);padding:58px 0 34px;color:#fff}.hero-grid{display:grid;grid-template-columns:1fr .85fr;gap:24px;align-items:center}.hero-copy h1{font-size:clamp(34px,4.8vw,60px);margin:0 0 12px}.hero-copy p{max-width:58ch;color:#D6E6DE}.android-shell{background:#E8F4EC;color:#142C23;border-radius:30px;padding:22px;box-shadow:0 18px 42px rgba(0,0,0,.18)}.android-screen{background:#142C23;color:#fff;border-radius:24px;padding:18px;min-height:390px;position:relative;overflow:hidden}.android-screen:before{content:'';position:absolute;inset:auto -20px -20px auto;width:160px;height:160px;border-radius:50%;background:rgba(115,224,193,.16)}.android-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;position:relative;z-index:1}.android-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:14px}.android-card strong{display:block;margin-bottom:6px}.android-phone{margin-top:18px;background:#0F241C;border-radius:22px;padding:16px;border:1px solid rgba(255,255,255,.08)}.android-phone img{max-height:220px;margin:0 auto}.section{padding:62px 0;background:#142C23}.section.alt{background:#EAF6EF;color:#142C23}.section h2{margin:0 0 14px}.section p,.section li{color:inherit;opacity:.92}.ladder{display:grid;gap:14px}.ladder-row{display:grid;grid-template-columns:72px 1fr;gap:14px;align-items:start;background:#1B362D;border-radius:22px;padding:16px;border-left:6px solid #73E0C1}.ladder-row:nth-child(2){border-left-color:#D4A94B}.ladder-row:nth-child(3){border-left-color:#90D6C0}.ladder-row .num{font-size:34px;font-weight:700;line-height:1}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.card{background:#fff;border-radius:22px;padding:18px;box-shadow:0 10px 24px rgba(0,0,0,.08);color:#142C23}.card.soft{background:#E8F4EC}.card.warn{background:#F8E8D7}.card.good{background:#DDEFD9}.card p{color:#4C5B55}.footer{background:#0F241C;color:#D6E6DE;padding:22px 0 90px}.footer-inner{display:grid;grid-template-columns:1fr auto 1fr;gap:16px;align-items:center}.footer-tags{display:flex;gap:10px;flex-wrap:wrap}.footer-tags span{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.08)}@media (max-width:1024px){.hero-grid,.cards,.footer-inner{grid-template-columns:1fr}.android-grid{grid-template-columns:1fr 1fr}}@media (max-width:768px){.header-inner{grid-template-columns:1fr auto}.hero{padding-top:34px}.android-grid,.cards{grid-template-columns:1fr}.section{padding:54px 0}.footer{padding-bottom:82px}.mobile-bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:30;background:#0F241C;padding:10px 14px;min-height:64px}.mobile-bar .btn{width:100%}body{padding-bottom:78px}}

.site-brand,.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0;min-width:max-content}
.site-logo,.brand img{display:block;width:auto;height:38px;max-width:180px;max-height:42px;object-fit:contain;flex-shrink:0}
@media (max-width:768px){.site-logo,.brand img{width:auto;height:32px;max-width:150px}}

@media (max-width:768px){.phone-screen img{max-height:220px}}