:root{--ink:#242321;--stone:#7a746c;--sand:#d7cbb9;--paper:#f4f1eb;--white:#fff;--charcoal:#2e302f;--brass:#9a7b49;--line:#d9d3ca;--max:1180px;--nav:72px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;color:var(--ink);background:var(--paper);font-family:"Microsoft YaHei UI","Microsoft YaHei",Arial,sans-serif;line-height:1.72}a{color:inherit;text-decoration:none}img{max-width:100%}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}.skip{position:fixed;top:-60px;left:10px;z-index:99;padding:9px 14px;background:white}.skip:focus{top:9px}
.nav{position:fixed;inset:0 0 auto;z-index:30;height:var(--nav);background:rgba(244,241,235,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.navrow{height:100%;display:flex;align-items:center;justify-content:space-between;gap:25px}.logo{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.02em}.mark{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--ink);font-family:Georgia,serif;font-size:22px}.links{display:flex;align-items:center;gap:clamp(16px,2vw,29px);font-size:14px}.links a:not(.btn):hover,.links a[aria-current=page]{color:var(--brass)}.toggle{display:none;width:42px;height:42px;border:1px solid var(--ink);background:transparent;font-size:20px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-width:128px;min-height:45px;padding:10px 20px;border:1px solid var(--ink);border-radius:0;color:white;background:var(--ink);font-weight:700;white-space:nowrap;word-break:keep-all;writing-mode:horizontal-tb;transition:background .2s}.btn:hover{background:var(--brass);border-color:var(--brass)}.btn.light{color:var(--ink);background:transparent}.btn.small{min-width:104px;min-height:38px;padding:7px 13px;font-size:12px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--brass);outline-offset:3px}
.hero{padding:calc(var(--nav) + 78px) 0 88px}.hero-grid{display:grid;grid-template-columns:.84fr 1.16fr;align-items:center;gap:74px}.hero h1{margin:0 0 25px;font:clamp(46px,6vw,78px)/1.02 "STSong","SimSun",serif;letter-spacing:-.045em}.hero-copy>p{max-width:580px;margin:0 0 31px;color:#625e58;font-size:17px}.actions{display:flex;flex-wrap:wrap;gap:10px}.benefits{display:flex;flex-wrap:wrap;gap:19px;margin-top:29px;color:#756f67;font-size:12px}.benefits span::before{content:"—";margin-right:7px;color:var(--brass)}.hero-media{position:relative;align-self:center;height:auto;padding:0;margin:0;border:1px solid var(--ink)}.hero-media::after{content:"";position:absolute;z-index:-1;inset:20px -20px -20px 20px;background:var(--sand)}.hero-caption{position:absolute;right:0;bottom:0;padding:11px 15px;color:white;background:rgba(36,35,33,.9);font-size:11px}
.linebar{background:var(--charcoal);color:white}.linebar-row{display:grid;grid-template-columns:repeat(4,1fr)}.linebar span{padding:14px 17px;border-right:1px solid #555754;text-align:center;font-size:11px}.linebar span:last-child{border:0}
.section{padding:clamp(78px,8.5vw,112px) 0}.white{background:white}.head{display:grid;grid-template-columns:1fr .68fr;align-items:end;gap:50px;margin-bottom:46px}.head h2{margin:0;font:clamp(36px,4.6vw,56px)/1.08 "STSong","SimSun",serif;letter-spacing:-.03em}.head p{margin:0;color:var(--stone)}
.capabilities{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--ink)}.capability{display:grid;grid-template-columns:62px 1fr;gap:21px;padding:31px 28px 31px 0;border-bottom:1px solid var(--line)}.capability:nth-child(odd){padding-right:38px;border-right:1px solid var(--line)}.capability:nth-child(even){padding-left:38px}.cap-icon{display:grid;place-items:center;width:52px;height:52px;border:1px solid var(--ink);font-family:Georgia,serif;font-weight:700}.capability h3{margin-bottom:6px;font-size:20px}.capability p{margin:0;color:var(--stone);font-size:13px}
.device-list{border-top:1px solid var(--ink);background:white}.device{display:grid;grid-template-columns:90px 1fr 280px 150px;align-items:center;gap:22px;padding:23px 25px;border-bottom:1px solid var(--line)}.device-symbol{display:grid;place-items:center;width:52px;height:52px;border:1px solid var(--line);font-size:21px}.device h3,.device p{margin:0}.device p,.device-note{color:var(--stone);font-size:12px}
.management{padding:0;color:white;background:var(--charcoal)}.management-grid{display:grid;grid-template-columns:1.08fr .92fr;min-height:600px}.management-image img{display:block;width:100%;height:100%;object-fit:cover}.management-copy{padding:68px}.management-copy h2{font:clamp(38px,4.7vw,58px)/1.08 "STSong","SimSun",serif}.management-copy>p{color:#bbb9b4}.workflow{display:grid;grid-template-columns:115px 1fr;gap:19px;padding:20px 0;border-top:1px solid #60625f}.workflow:last-child{border-bottom:1px solid #60625f}.workflow b{color:#d7c3a1;font-size:12px}.workflow h3,.workflow p{margin:0}.workflow p{color:#b3b5b1;font-size:12px}
.scenarios{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.scenario{padding:28px;border:1px solid var(--line);background:white}.scenario h3{margin-top:34px}.scenario p{color:var(--stone);font-size:13px}.scenario-index{font:22px Georgia,serif;color:var(--brass)}
.reviews{display:grid;grid-template-columns:1fr 1.25fr 1fr;gap:12px;align-items:start}.review{padding:29px;border-top:2px solid var(--ink);background:white}.review:nth-child(2){margin-top:28px}.review blockquote{margin:0 0 26px;color:#4e4b47}.person{display:flex;align-items:center;gap:11px;padding-top:16px;border-top:1px solid var(--line)}.avatar{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;color:white;background:var(--brass)}.person strong,.person small{display:block}.person small{color:var(--stone)}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;align-items:center}.plan{padding:31px;border:1px solid var(--line);background:white}.plan.featured{padding-block:48px;color:white;background:var(--charcoal);border-top:4px solid var(--brass)}.price{color:var(--stone)}.price b{color:var(--ink);font-size:28px}.featured .price,.featured li{color:#b6b6b2}.featured .price b{color:white}.plan ul{list-style:none;padding:0;margin:23px 0}.plan li{margin:8px 0;color:var(--stone);font-size:13px}.plan li::before{content:"—";margin-right:8px;color:var(--brass)}
.faq{max-width:900px;margin:auto;border-top:1px solid var(--ink)}.faq details{border-bottom:1px solid var(--line);background:white}.faq summary{position:relative;padding:21px 50px 21px 5px;list-style:none;cursor:pointer;font-weight:700}.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:"＋";position:absolute;right:7px;top:15px;color:var(--brass);font-size:24px}.faq details[open] summary::after{content:"－"}.answer{padding:0 50px 21px 5px;color:var(--stone)}
.pagehero{padding:calc(var(--nav) + 70px) 0 74px;background:#e9e3d8}.pagegrid{display:grid;grid-template-columns:1fr .84fr;align-items:center;gap:60px}.pagehero h1{font:clamp(43px,5.5vw,70px)/1.02 "STSong","SimSun",serif}.pagehero p{color:#625e58}.pageimg{border:1px solid var(--ink)}.download-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.download{display:grid;grid-template-columns:65px 1fr;gap:19px;padding:28px;border:1px solid var(--line);background:white}.download h2{margin-bottom:5px;font-size:21px}.download p{margin:0 0 14px;color:var(--stone);font-size:12px}.chips{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:15px}.chips span{padding:3px 7px;border:1px solid var(--line);font-size:9px}.notice{margin-top:18px;padding:17px 20px;border-left:4px solid var(--brass);background:#ebe4d7}
.help-layout{display:grid;grid-template-columns:240px 1fr;gap:44px;align-items:start}.helpnav{position:sticky;top:94px;border:1px solid var(--line);border-top:3px solid var(--ink);background:white}.helpnav a{display:block;padding:10px 13px;border-bottom:1px solid var(--line);font-size:13px}.helpnav a:hover{background:#eee9e0}.helpmain section{margin-bottom:59px}.helpmain h2{font:31px "STSong","SimSun",serif}.steps{display:grid;gap:8px;counter-reset:s}.step{position:relative;padding:18px 18px 18px 66px;border:1px solid var(--line);background:white}.step::before{counter-increment:s;content:counter(s);position:absolute;left:17px;top:17px;display:grid;place-items:center;width:31px;height:31px;border:1px solid var(--ink);font:12px Georgia,serif}
.footer{padding:60px 0 23px;color:white;background:#262725;border-top:3px solid var(--brass)}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:38px;padding-bottom:39px}.footer-intro p{max-width:320px;color:#aaa9a4;font-size:12px}.footer h3{color:#d7c3a1;font-size:13px}.footer ul{list-style:none;padding:0;margin:0}.footer li{margin:8px 0}.footer a{color:#aaa9a4;font-size:12px}.copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;border-top:1px solid #555652;color:#7d7e79;font-size:11px}
@media(max-width:930px){.toggle{display:block}.links{position:fixed;top:var(--nav);left:0;right:0;display:none;flex-direction:column;align-items:stretch;padding:20px;background:var(--paper)}.links.open{display:flex}.hero-grid,.pagegrid,.management-grid{grid-template-columns:1fr}.capabilities{grid-template-columns:1fr}.capability:nth-child(odd),.capability:nth-child(even){padding:28px 0;border-right:0}.device{grid-template-columns:75px 1fr 150px}.device-note{display:none}.management-image{min-height:380px}.scenarios,.reviews,.plans{grid-template-columns:1fr}.review:nth-child(2){margin-top:0}.plan.featured{order:-1}.footer-grid{grid-template-columns:1fr 1fr}.footer-intro{grid-column:1/-1}}
@media(max-width:650px){.head{grid-template-columns:1fr}.linebar-row{grid-template-columns:1fr 1fr}.device{grid-template-columns:58px 1fr}.device .btn{grid-column:1/-1}.management-copy{padding:45px 25px}.workflow{grid-template-columns:1fr}.download-grid{grid-template-columns:1fr}.help-layout{grid-template-columns:1fr}.helpnav{position:static;display:flex;overflow-x:auto}.helpnav a{white-space:nowrap;border-right:1px solid var(--line)}.footer-grid{grid-template-columns:1fr 1fr}.copyright{flex-direction:column}}
/* Hero 图片最终覆盖：居中、自然高度、无裁切与变形 */
.hero-grid{align-items:center}.hero-media{align-self:center;height:auto;padding:0;margin:0;overflow:visible;transform:none}.hero-media img{display:block;width:100%;height:auto;object-fit:contain;object-position:center;min-height:0;max-height:none;margin:0;padding:0;clip-path:none;transform:none}