:root{--ink:#17324d;--muted:#6c7e8f;--line:#dfe8ee;--paper:#f8fbfc;--white:#fff;--teal:#0f8b8d;--teal-dark:#096d72;--peach:#f4b183;--navy:#17324d}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:"Segoe UI","Microsoft YaHei",sans-serif;background:var(--paper);line-height:1.7}a{color:inherit;text-decoration:none}.section-shell{width:min(1120px,calc(100% - 48px));margin:auto}.site-header{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100% - 1120px)/2));background:rgba(248,251,252,.92);border-bottom:1px solid rgba(223,232,238,.8);position:sticky;top:0;z-index:5;backdrop-filter:blur(14px)}.brand{display:flex;gap:11px;align-items:center}.brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--teal);color:#fff;font-weight:800;font-size:20px}.brand b{display:block;font-size:16px;letter-spacing:.08em}.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:.05em}.nav-links{display:flex;gap:27px;color:#526b7d;font-size:14px}.nav-links a:hover,.text-link:hover{color:var(--teal)}.menu-toggle{display:none;border:0;background:none;font-size:24px;color:var(--ink)}.hero{min-height:610px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:60px}.eyebrow{font-size:11px;color:var(--teal);letter-spacing:.2em;font-weight:800;margin:0 0 14px}.hero h1{font-size:clamp(38px,5vw,64px);line-height:1.23;letter-spacing:-.06em;margin:0 0 23px}.hero h1 em{font-style:normal;color:var(--teal)}.hero-text{max-width:530px;color:var(--muted);font-size:17px}.hero-actions{display:flex;align-items:center;gap:25px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;border-radius:9px;padding:11px 23px;font-size:14px;font-weight:700}.button-primary{color:#fff;background:var(--teal);box-shadow:0 8px 20px rgba(15,139,141,.2)}.button-primary:hover{background:var(--teal-dark);transform:translateY(-1px)}.button-quiet{color:var(--teal)}.microcopy{color:#96a4ae;font-size:12px;margin-top:17px}.hero-visual{display:flex;justify-content:center}.report-window{width:min(410px,100%);background:#fff;border:1px solid #deeaee;border-radius:20px;box-shadow:0 23px 55px rgba(23,50,77,.12);transform:rotate(2.5deg)}.window-top{height:44px;padding:0 17px;display:flex;gap:6px;align-items:center;border-bottom:1px solid #edf2f4;color:#95a4ac}.window-top span{width:7px;height:7px;border-radius:50%;background:#e7c0a8}.window-top span:nth-child(2){background:#bed9cf}.window-top span:nth-child(3){background:#bdd4e1}.window-top i{font-size:11px;font-style:normal;margin-left:auto}.report-body{padding:27px}.report-title{display:flex;justify-content:space-between;color:var(--muted);font-size:13px}.report-title strong{color:var(--ink);font-size:15px}.score-row{display:flex;align-items:center;gap:18px;margin:22px 0}.score{font-size:54px;line-height:1;color:var(--teal);font-weight:800}.score small{font-size:13px;color:#9aabb3;font-weight:500}.score-row b{font-size:16px}.score-row p{margin:2px 0 0;color:var(--muted);font-size:12px}.bar-item{display:grid;grid-template-columns:75px 1fr 40px;align-items:center;gap:10px;margin:17px 0;font-size:12px;color:var(--muted)}.bar-item>div{height:8px;border-radius:8px;background:#edf3f4;overflow:hidden}.bar-item i{display:block;height:100%;background:var(--peach);border-radius:8px}.bar-item b{color:var(--ink);font-size:12px;text-align:right}.report-note{margin-top:25px;padding:10px 12px;background:#fff5ec;color:#91633f;border-radius:8px;font-size:12px}.report-note span{color:var(--peach);margin-right:5px}.problem-strip{background:var(--navy);color:#fff;padding:58px 0 67px}.problem-strip .eyebrow{color:var(--peach)}.problem-strip h2{font-size:30px;letter-spacing:-.04em;margin:0 0 27px}.problem-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.problem-grid div{padding:18px 18px 18px 0;border-top:1px solid rgba(255,255,255,.25);font-size:14px;color:#d3dee5}.section-block{padding-top:92px;padding-bottom:92px}.section-heading{margin-bottom:34px}.section-heading h2{font-size:36px;letter-spacing:-.05em;margin:0 0 8px}.section-heading>p:last-child{color:var(--muted);margin:0}.product-card{display:flex;align-items:center;gap:20px;padding:24px 27px;background:#fff;border:1px solid var(--line);border-radius:15px}.product-icon{width:49px;height:49px;border-radius:15px;display:grid;place-items:center;background:#e4f4f1;color:var(--teal);font-size:29px}.product-card h3{margin:0;font-size:18px}.product-card p{margin:2px 0 0;color:var(--muted);font-size:13px}.text-link{color:var(--teal);font-weight:700;font-size:13px;margin-left:auto;white-space:nowrap}.soft-section{background:#eef5f4}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.feature-grid article{background:#fff;border-radius:13px;padding:23px;min-height:190px}.feature-grid span{color:var(--peach);font-size:12px;font-weight:800}.feature-grid h3{margin:20px 0 7px;font-size:18px}.feature-grid p,.steps p{color:var(--muted);font-size:13px;margin:0}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0}.steps>div{padding:0 40px 0 0;border-top:2px solid var(--teal);margin-right:30px;padding-top:18px}.steps b{color:var(--peach);font-size:14px}.steps h3{margin:9px 0 5px}.training-section{background:#fdf5ee}.training-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:90px;align-items:center}.training-layout h2,.download-card h2,.about-layout h2{font-size:36px;line-height:1.3;letter-spacing:-.05em;margin:0 0 15px}.training-layout>div>p:not(.eyebrow),.about-layout p{color:var(--muted);font-size:15px}.training-list{display:flex;flex-direction:column;gap:12px}.training-list div{background:#fff;border:1px solid #f0dfd3;border-radius:11px;padding:15px 18px;display:grid;grid-template-columns:26px 1fr;align-items:center}.training-list span{grid-row:span 2;color:var(--teal)}.training-list b{font-size:14px}.training-list small{color:var(--muted);font-size:12px}.download-section{padding-top:75px;padding-bottom:75px}.download-card{background:var(--teal);color:#fff;border-radius:18px;padding:37px 45px;display:flex;align-items:center;justify-content:space-between}.download-card .eyebrow{color:#bde5dc}.download-card h2{margin-bottom:7px}.download-card p{color:#d5efea;margin:0;font-size:14px}.download-card .button{background:#fff;color:var(--teal)}.faq-list{max-width:800px}.faq-list details{border-top:1px solid var(--line);padding:18px 0}.faq-list details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:700}details p{color:var(--muted);font-size:14px;margin:11px 0 0}.about-section{background:#eaf2f4}.about-layout{display:grid;grid-template-columns:1fr 1fr;gap:90px}.about-layout h2{max-width:390px}.notice{border-left:3px solid var(--peach);padding-left:14px}.site-footer{background:var(--navy);color:#e0eaf0;padding:40px 0 22px}.footer-inner{display:flex;justify-content:space-between}.footer-inner b{letter-spacing:.1em}.footer-inner p{margin:4px 0;color:#9fb3c0;font-size:12px}.footer-links{display:flex;gap:25px;font-size:13px}.footer-links a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.16);margin-top:30px;padding-top:16px;color:#91a7b5;font-size:11px}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--navy);color:#fff;padding:12px 18px;border-radius:8px;font-size:13px;opacity:0;pointer-events:none;transition:.25s;box-shadow:0 8px 20px rgba(0,0,0,.2)}.toast.show{opacity:1;transform:translate(-50%,0)}@media(max-width:820px){.site-header{height:68px}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 24px}.nav-links.open{display:flex}.nav-links a{padding:10px 0}.menu-toggle{display:block}.hero{grid-template-columns:1fr;gap:25px;padding-top:65px;padding-bottom:75px}.hero-visual{max-width:480px;justify-self:center}.problem-grid,.feature-grid{grid-template-columns:repeat(2,1fr)}.training-layout,.about-layout{grid-template-columns:1fr;gap:35px}.download-card{align-items:flex-start;gap:25px;flex-direction:column}}@media(max-width:520px){.section-shell{width:min(100% - 34px,1120px)}.hero h1{font-size:40px}.hero-text{font-size:15px}.hero-actions{gap:15px}.problem-grid,.feature-grid,.steps{grid-template-columns:1fr}.problem-grid div{padding-right:0}.section-block{padding-top:65px;padding-bottom:65px}.section-heading h2,.training-layout h2,.download-card h2,.about-layout h2{font-size:29px}.product-card{align-items:flex-start;flex-wrap:wrap}.product-card .text-link{margin-left:69px}.steps>div{margin:0 0 25px;padding-right:0}.footer-inner,.footer-bottom{align-items:flex-start;gap:18px;flex-direction:column}.footer-links{gap:16px}.download-card{padding:28px 25px}}
/* 参考图方向：浅色桌面、橙色强调、工具栏、大留白 */
:root{--teal:#ff9418;--teal-dark:#e77c00;--paper:#f7f7f7;--ink:#1d252b;--muted:#68737a;--line:#e6e7e8;--navy:#27343b;--peach:#ffb454}
body{background:var(--paper);font-family:"Microsoft YaHei","Segoe UI",sans-serif}
.site-header{position:fixed;left:0;top:0;bottom:0;width:80px;height:auto;padding:18px 0;background:#f1f2f2;border-right:1px solid #e4e5e5;display:flex;flex-direction:column;justify-content:flex-start;z-index:10;backdrop-filter:none}
.brand{display:flex;justify-content:center;width:100%;padding-bottom:22px;border-bottom:1px solid #e3e4e4}.brand-mark{width:38px;height:38px;border-radius:9px;background:transparent;color:var(--teal);border:2px solid var(--teal);font-size:18px}.brand span:last-child{display:none}
.brand-logo{width:40px;height:40px;display:block;object-fit:cover;border-radius:10px}
.nav-links{width:100%;display:flex;flex-direction:column;gap:0;margin-top:20px}.nav-links a{height:70px;width:100%;display:flex;align-items:center;justify-content:center;font-size:0;color:#596167;position:relative}.nav-links a::before{content:attr(data-icon);font-size:27px;font-family:"Segoe UI Symbol","Microsoft YaHei",sans-serif;font-weight:300;line-height:1}.nav-links a:hover{color:var(--teal);background:#f8f8f8}.nav-links a:hover::after{content:"";position:absolute;left:0;top:19px;width:3px;height:32px;background:var(--teal);border-radius:0 3px 3px 0}
main,.site-footer{margin-left:80px}.section-shell{width:min(1120px,calc(100% - 100px))}.hero{min-height:690px;padding-top:52px}.hero h1{font-weight:400;letter-spacing:-.055em}.hero h1 em{color:var(--teal)}.hero-text{font-size:16px}.button{border-radius:5px}.button-primary{box-shadow:none}.button-quiet{color:#657078}.report-window{border-radius:12px;box-shadow:0 18px 45px rgba(38,52,59,.10);transform:rotate(1.5deg)}.report-note{background:#fff7e9;color:#9a671f}.problem-strip{background:#27343b}.product-card,.feature-grid article{box-shadow:0 8px 24px rgba(45,61,68,.05);border-color:#eaebeb}.soft-section{background:#f0f1f1}.training-section{background:#fff8ee}.download-card{border-radius:7px}.site-footer{padding-left:0}
@media(max-width:820px){.site-header{position:sticky;left:auto;top:0;bottom:auto;width:100%;height:68px;padding:0 18px;display:flex;flex-direction:row;align-items:center;border-right:0}.brand{width:auto;padding:0;border:0;justify-content:flex-start}.brand span:last-child{display:block}.nav-links{position:absolute;top:68px;left:0;right:0;width:auto;margin:0}.nav-links a{height:auto;justify-content:flex-start;padding:12px 24px;font-size:14px;gap:12px}.nav-links a::before{font-size:19px}.nav-links a:hover::after{display:none}main,.site-footer{margin-left:0}.section-shell{width:min(100% - 34px,1120px)}.hero{min-height:auto;padding-top:75px}}

/* 顶栏工具栏版本 */
.site-header{position:sticky;left:auto;top:0;bottom:auto;width:100%;height:72px;padding:0 max(24px,calc((100% - 1120px)/2));background:rgba(247,247,247,.94);border-right:0;border-bottom:1px solid #e4e5e5;display:flex;flex-direction:row;align-items:center;justify-content:space-between;z-index:10;backdrop-filter:blur(12px)}
.brand{width:auto;padding:0;border:0;justify-content:flex-start}.brand-mark{background:#fff}.brand span:last-child{display:block}.brand-logo{width:42px;height:42px;border-radius:10px}.nav-links{width:auto;display:flex;flex-direction:row;gap:8px;margin:0}.nav-links a{height:44px;width:auto;display:flex;align-items:center;justify-content:center;gap:7px;padding:0 13px;font-size:13px;border-radius:6px}.nav-links a::before{font-size:17px}.nav-links a:hover{background:#fff4e4}.nav-links a:hover::after{display:none}main,.site-footer{margin-left:0}.section-shell{width:min(1120px,calc(100% - 80px))}.hero{min-height:650px;padding-top:35px}
@media(max-width:820px){.site-header{height:68px;padding:0 18px}.nav-links{position:absolute;top:68px;left:0;right:0;width:auto;margin:0;display:none;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 24px}.nav-links.open{display:flex}.nav-links a{height:auto;justify-content:flex-start;padding:12px 0;font-size:14px;gap:12px}.nav-links a::before{font-size:19px}.menu-toggle{display:block}.section-shell{width:min(100% - 34px,1120px)}.hero{min-height:auto;padding-top:75px}}

.nav-links a[aria-current="true"]{color:var(--teal);font-weight:700}.nav-links a:focus-visible,.button:focus-visible,.faq-list summary:focus-visible{outline:3px solid rgba(255,148,24,.35);outline-offset:3px}.fit-section{padding-top:74px;padding-bottom:74px}.fit-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.fit-grid article{background:#fff;border:1px solid var(--line);border-radius:13px;padding:24px;min-height:155px;box-shadow:0 8px 24px rgba(45,61,68,.04)}.fit-grid h3{margin:9px 0 5px;font-size:18px}.fit-grid p{color:var(--muted);font-size:13px;margin:0;max-width:430px}.fit-icon{width:25px;height:25px;border-radius:50%;display:inline-grid;place-items:center;background:#fff1df;color:var(--teal);font-weight:800}.fit-grid article:nth-child(2) .fit-icon{background:#f0f1f1;color:#68737a}@media(max-width:520px){.fit-grid{grid-template-columns:1fr}.fit-section{padding-top:55px;padding-bottom:55px}}
.hero h1 span,.hero h1 em{display:block}.hero h1{font-size:clamp(34px,3.8vw,50px);line-height:1.28}.hero h1 em{margin-top:2px}
.simple-page{min-height:100vh}.simple-page .site-header{position:sticky}.back-link{font-size:13px;color:var(--teal);font-weight:700}.simple-content{min-height:calc(100vh - 160px);padding-top:110px;padding-bottom:110px}.simple-content h1{font-size:clamp(34px,5vw,56px);font-weight:400;letter-spacing:-.05em;margin:0 0 30px}.privacy-copy{max-width:720px;padding:28px;background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:0 8px 24px rgba(45,61,68,.04)}.privacy-copy p{color:var(--muted);font-size:15px;margin:0 0 17px}.privacy-copy p:last-child{margin-bottom:0}.simple-page .site-footer{background:var(--navy)}.copyright{text-align:center;color:#91a7b5;font-size:11px;padding:16px 0 0}
.principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}.principle-grid article{padding:20px 21px;background:#fff;border:1px solid var(--line);border-radius:11px}.principle-grid b{color:var(--teal);font-size:12px}.principle-grid h3{font-size:16px;margin:12px 0 5px}.principle-grid p{color:var(--muted);font-size:12px;margin:0}.guide-note{display:flex;gap:14px;align-items:flex-start;margin-top:35px;padding:15px 18px;border-left:3px solid var(--teal);background:#fffaf3;color:var(--muted);font-size:13px}.guide-note strong{color:var(--ink);white-space:nowrap}@media(max-width:820px){.principle-grid{grid-template-columns:1fr}.guide-note{margin-top:25px}}
.skip-link{position:fixed;left:16px;top:-60px;z-index:20;padding:9px 14px;background:var(--teal);color:#fff;border-radius:5px;font-size:14px}.skip-link:focus{top:16px}.hero h1 span,.hero h1 em{white-space:nowrap}.product-icon{display:block;object-fit:cover;padding:5px;background:#fff1df}.section-block,section[id]{scroll-margin-top:92px}.window-top i{font-size:10px}.nav-links a::before{color:#f4b400}.nav-links a:hover::before,.nav-links a[aria-current="true"]::before{color:var(--teal)}
@media(max-width:520px){.hero h1{font-size:clamp(32px,9.2vw,40px)}.product-icon{width:44px;height:44px}.privacy-copy{padding:22px 20px}}
.brand small{font-size:11px;letter-spacing:0;white-space:nowrap}
 .download-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}.download-actions .button{white-space:nowrap}@media(max-width:820px){main,.site-footer{margin-left:0}.section-shell{width:min(1120px,calc(100% - 48px))}}@media(max-width:520px){.section-shell{width:min(1120px,calc(100% - 34px))}.download-actions{width:100%;justify-content:flex-start}}