:root{color-scheme:light;--ink:#282326;--muted:#716a6b;--paper:#fffaf6;--accent:#d44330;--accent-dark:#b93625;--line:#eaded7;--header-height:83px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--header-height);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
body{margin:0;color:var(--ink);background:var(--paper)}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
a:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
.container{width:min(100% - 48px,1180px);margin-inline:auto}

.site-header{position:sticky;top:0;z-index:20;height:var(--header-height);background:rgba(255,250,246,.96);border-bottom:1px solid #f0e7e1;backdrop-filter:blur(12px)}
.header-inner{height:100%;display:flex;align-items:center;gap:32px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;font-size:20px;font-weight:800;letter-spacing:-.03em}
.brand img{border-radius:13px}
.site-nav{display:flex;align-items:center;gap:clamp(18px,3vw,38px);margin:auto;color:#554e4e;font-size:14px;font-weight:600}
.site-nav a,.site-footer nav a{padding-block:12px}
.site-nav a:hover,.site-footer nav a:hover{color:var(--accent-dark)}
.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;min-height:52px;padding:12px 25px;border-radius:999px;font-size:15px;font-weight:700;line-height:1.3;text-align:center;transition:transform .18s ease,background-color .18s ease}
.button:hover{transform:translateY(-2px)}
.button-small{min-height:38px;padding:8px 20px;font-size:14px}
.button-primary{color:#fff;background:var(--accent)}
.button-primary:hover{background:var(--accent-dark)}
.button-secondary{border:1px solid #d8c9c2;background:#fffdfa}
.button-light{color:var(--accent-dark);background:#fff}
.button-download{gap:10px}

.hero{overflow:hidden;background:radial-gradient(circle at 80% 42%,#ffe6de,transparent 42%),linear-gradient(#fffaf6,#fffdfb)}
.hero-grid{min-height:640px;display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);align-items:center;gap:42px;padding-block:72px 84px}
.hero h1{max-width:670px;margin:0;font-size:clamp(44px,5.1vw,68px);line-height:1.17;letter-spacing:-.06em}
.hero h1 .hero-brand{color:var(--accent)}
.hero-phrase{display:inline-block;font-size:.86em}
.hero-lead{max-width:590px;margin:28px 0 0;color:#595052;font-size:18px;line-height:1.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-actions .button-primary{min-width:220px}
.hero-visual{position:relative;display:grid;place-items:center;min-height:520px}
.hero-orbit{position:absolute;width:510px;height:510px;border-radius:50%;background:#ffd9ca;opacity:.65;pointer-events:none}
.phone{position:relative;z-index:1;width:278px;padding:5px;border:4px solid #fff;border-radius:38px;background:#fff;box-shadow:0 0 0 1px rgba(108,70,58,.1),0 28px 52px rgba(86,52,41,.2);transform:rotate(6deg)}
.phone-notch{position:absolute;z-index:2;top:16px;left:50%;width:72px;height:15px;border-radius:999px;background:#302c30;transform:translateX(-50%)}
.phone-screen{overflow:hidden;min-height:478px;padding:29px 13px 0;border:1px solid #eee8e4;border-radius:29px;background:#fffdfb}
.phone-topline,.phone-section-heading{display:flex;align-items:center;justify-content:space-between}
.phone-topline{font-size:18px}
.phone-topline span{font-size:27px;font-weight:300;line-height:.7}
.phone-banner{display:grid;align-content:end;min-height:91px;margin-top:18px;padding:15px;border-radius:16px;color:#fff;background:linear-gradient(120deg,#f46245,#fa8f6e)}
.phone-banner span{font-size:11px}
.phone-banner strong{margin-top:4px;font-size:15px}
.phone-tags{display:flex;gap:5px;margin:13px -4px 20px;white-space:nowrap}
.phone-tags span{padding:6px 7px;border-radius:20px;background:#fff1eb;color:#b54833;font-size:9px}
.phone-section-heading{margin-bottom:10px;font-size:12px}
.phone-section-heading span{color:#aa8e87;font-size:10px}
.phone-book{display:flex;gap:10px;padding:8px 0;border-top:1px solid #f2e7e2}
.phone-cover{flex:0 0 46px;height:60px;border-radius:7px}
.phone-cover-one{background:linear-gradient(150deg,#f8bb7f,#c95957 50%,#553d67)}
.phone-cover-two{background:linear-gradient(140deg,#6a667e,#e2a3ac 55%,#ffdb9a)}
.phone-book div:last-child{display:grid;align-content:center;gap:3px}
.phone-book strong{font-size:11px}
.phone-book small{color:#998985;font-size:9px}
.phone-book em{color:var(--accent-dark);font-size:9px;font-style:normal}
.phone-tabbar{display:flex;justify-content:space-around;margin:15px -13px 0;padding:11px 3px 13px;border-top:1px solid #f2e7e2;color:#a2938d;font-size:10px}
.phone-tabbar span:first-child{color:var(--accent);font-weight:700}
.hero-attributes{position:absolute;inset:0;z-index:2;pointer-events:none}
.hero-attribute{position:absolute;display:inline-flex;align-items:center;gap:9px;padding:11px 17px;border:1px solid #f4dfd4;border-radius:999px;background:#fffdfa;color:#5b3530;box-shadow:0 13px 27px rgba(93,52,39,.12);font-size:13px;font-weight:700;white-space:nowrap;animation:attribute-float 4s ease-in-out infinite}
.hero-attribute::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}
.hero-attribute-reading{top:82px;right:0;animation-delay:-1s}
.hero-attribute-shelf{bottom:78px;left:6px;animation-delay:-2.6s}
@keyframes attribute-float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-9px)}
}

.section{padding-block:110px}
.section-heading h2,.download h2{margin:0;font-size:clamp(34px,3.8vw,52px);line-height:1.2;letter-spacing:-.05em}
.section-heading>p:last-child,.featured-heading>p{color:var(--muted);font-size:16px;line-height:1.8}
.section-heading-center{text-align:center}
.section-heading-center>p:last-child{margin:16px 0 0}
.advantages{background:#fffdfb}
.advantage-grid{--card-columns:3;display:grid;grid-template-columns:repeat(var(--card-columns),minmax(0,1fr));align-items:stretch;gap:22px;margin-top:45px}
.advantage-card{min-width:0;padding:42px 30px 40px;border:1px solid #f0e2da;border-radius:54px;background:#fff;text-align:center}
.advantage-icon{display:grid;place-items:center;width:66px;height:66px;margin:0 auto 27px;border-radius:50%;color:#a63833;background:linear-gradient(135deg,#ffe6d2,#ffc5bc);font-size:33px;line-height:1}
.advantage-card h3{margin:0;font-size:22px;letter-spacing:-.03em}
.advantage-card p{max-width:285px;margin:15px auto 0;color:var(--muted);font-size:15px;line-height:1.8}

.featured{background:var(--paper)}
.featured-heading{display:flex;align-items:end;justify-content:space-between;gap:40px}
.featured-heading>p{max-width:280px;margin:0}
.work-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:39px}
.work-card{min-width:0;overflow:hidden;border:1px solid var(--line);border-radius:24px;background:#fff}
.work-cover{overflow:hidden;aspect-ratio:16/25;background:#f1e9e3}
.work-cover img{width:100%;height:100%;object-fit:cover;object-position:center}
.work-info{padding:19px 18px 24px}
.work-genre{margin:0 0 9px;color:var(--accent-dark);font-size:12px;font-weight:700}
.work-info h3{margin:0;font-size:21px}
.work-info>p:last-child{margin:11px 0 0;color:var(--muted);font-size:14px;line-height:1.7}

.experience{overflow:hidden}
.experience-grid{display:grid;grid-template-columns:minmax(0,.88fr) minmax(0,1.12fr);align-items:center;gap:clamp(45px,7vw,110px)}
.experience-copy{max-width:480px}
.experience-lead{margin:25px 0 0;color:#5b5352;font-size:18px;line-height:1.9}
.experience-details{margin-top:33px;border-top:1px solid var(--line)}
.experience-details p{display:grid;grid-template-columns:96px minmax(0,1fr);gap:18px;margin:0;padding:17px 0;border-bottom:1px solid var(--line);font-size:14px;line-height:1.7}
.experience-details strong{color:var(--ink)}
.experience-details span{color:var(--muted)}
.reading{background:#fff}
.reader-preview{position:relative;display:grid;place-items:center;min-height:520px;overflow:hidden;border:1px solid #f1e4dc;border-radius:42px;background:#faf2ed}
.reader-preview::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:#ffe1d2}
.reader-window{position:relative;z-index:1;width:min(68%,318px);height:470px;overflow:hidden;border:1px solid #eadbd3;border-radius:27px;background:#fff;box-shadow:0 24px 42px rgba(96,56,43,.13)}
.reader-toolbar,.reader-bottom{display:flex;align-items:center;justify-content:space-between;padding-inline:20px;background:#fff}
.reader-toolbar{height:55px;font-size:14px}
.reader-toolbar span{font-size:22px;line-height:1}
.reader-bottom{height:48px;color:#8e7770;font-size:12px}
.reader-bottom span:last-child{color:var(--accent);font-size:20px}
.reader-page{height:367px;overflow:hidden;background:#f4d1bc}
.reader-panel{position:relative;overflow:hidden}
.reader-panel-one{height:205px;background:linear-gradient(160deg,#f6a36f,#e6634b 68%,#9e4851)}
.reader-panel-one::before{content:"";position:absolute;top:29px;right:40px;width:94px;height:94px;border-radius:50%;background:#ffdbab;box-shadow:0 0 55px #ffe0bb}
.reader-panel-one::after{content:"";position:absolute;left:-15%;bottom:-70px;width:140%;height:135px;border-radius:50% 50% 0 0;background:#6f4a5b;transform:rotate(-8deg)}
.reader-panel-two{height:205px;border-top:7px solid #fff;background:linear-gradient(145deg,#4a4c63,#77748a 55%,#e8b9a0)}
.reader-panel-two::before{content:"";position:absolute;top:24px;left:35px;width:120px;height:120px;border:2px solid rgba(255,255,255,.6);border-radius:50%}
.reader-panel-two::after{content:"";position:absolute;right:-45px;bottom:-80px;width:220px;height:180px;border-radius:50%;background:#f6d7b2;transform:rotate(-18deg)}
.bookshelf{background:#fff8f2}
.bookshelf-layout{display:grid;gap:44px}
.bookshelf-intro{max-width:760px}
.bookshelf-intro>p:last-child{max-width:720px;margin:21px 0 0;color:#5b5352;font-size:18px;line-height:1.85}
.bookshelf-stage{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:center;gap:clamp(35px,6vw,90px)}
.bookshelf-art{position:relative;min-height:440px}
.bookshelf-art::before{content:"";position:absolute;inset:18px 5% 12px;border-radius:50%;background:radial-gradient(circle at 40% 38%,#ffe8dc,#f5d7ca 72%,#f5d7ca)}
.shelf-cover{position:absolute;z-index:1;margin:0;padding:5px;border-radius:16px;background:#fff;box-shadow:0 24px 38px rgba(100,58,44,.18)}
.shelf-cover img{display:block;width:100%;height:auto;border-radius:11px}
.shelf-cover figcaption{position:absolute;right:-14px;bottom:-11px;padding:8px 14px;border-radius:999px;background:#fff;color:var(--accent-dark);box-shadow:0 8px 20px rgba(100,58,44,.12);font-size:12px;font-weight:700;white-space:nowrap}
.shelf-cover-back{top:92px;right:12%;width:190px;transform:rotate(8deg)}
.shelf-cover-front{z-index:2;top:28px;left:14%;width:225px;transform:rotate(-7deg)}
.bookshelf-steps{position:relative;display:grid;gap:8px;margin:0;padding:0;list-style:none}
.bookshelf-steps::before{content:"";position:absolute;top:35px;bottom:35px;left:22px;width:2px;background:#edcbbb}
.bookshelf-steps li{position:relative;display:grid;grid-template-columns:46px minmax(0,1fr);align-items:start;gap:24px;padding:12px 0}
.step-number{display:grid;place-items:center;width:46px;height:46px;border:1px solid #e5bcaa;border-radius:50%;background:#fff8f2;color:var(--accent-dark);font-size:14px;font-weight:800}
.bookshelf-steps li:nth-child(2) .step-number{border-color:var(--accent);background:var(--accent);color:#fff}
.step-content{min-height:112px;padding:4px 0 23px;border-bottom:1px solid #eaded7}
.bookshelf-steps li:last-child .step-content{min-height:0;padding-bottom:0;border-bottom:0}
.step-content h3{margin:0;font-size:22px;letter-spacing:-.03em}
.step-content p{margin:10px 0 0;color:#766a67;font-size:15px;line-height:1.75}

.faq{background:#fff}
.faq-grid{display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);gap:90px}
.faq .section-heading>p:last-child{margin-top:21px}
.faq-list{margin:0}
.faq-list>div{padding:22px 0;border-bottom:1px solid var(--line)}
.faq-list>div:first-child{padding-top:0}
.faq-list dt{font-size:18px;font-weight:700}
.faq-list dd{margin:11px 0 0;color:var(--muted);font-size:15px;line-height:1.8}

.download{padding-block:76px;color:var(--ink);background:linear-gradient(110deg,#fff3ec,#f9e5dc)}
.download-inner{display:grid;grid-template-columns:72px minmax(0,1fr) auto;align-items:center;gap:27px}
.download img{border-radius:19px}
.download h2{font-size:clamp(29px,3.1vw,43px)}
.download p:last-child{margin:13px 0 0;color:#6f5d58;font-size:15px;line-height:1.8}
.download .button-light{min-width:224px;min-height:58px;padding:15px 32px;color:#fff;background:var(--accent);font-size:16px}
.download .button-light:hover{background:var(--accent-dark)}
.site-footer{background:#fffaf6}
.footer-inner{min-height:110px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.site-footer .brand{font-size:17px}
.site-footer .brand img{border-radius:10px}
.copyright{margin:0;color:var(--muted);font-size:13px;white-space:nowrap}
.site-footer nav{display:flex;flex-wrap:wrap;gap:8px 27px;color:#776d6a;font-size:13px}

@media(max-width:1020px){
  .site-nav{display:none}
  .header-cta{margin-left:auto}
  .hero-grid{gap:15px}
  .hero h1{font-size:clamp(43px,5.3vw,58px)}
  .hero-visual{min-height:495px}
  .hero-attribute-reading{right:-7px}
  .hero-attribute-shelf{left:-7px}
  .experience-grid{gap:34px}
  .reader-preview{min-height:470px}
  .advantage-grid{--card-columns:2}
  .work-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-grid{gap:46px}
}
@media(max-width:900px){
  .bookshelf-stage{grid-template-columns:1fr;gap:18px}
  .bookshelf-art{width:min(100%,500px);margin-inline:auto}
  .bookshelf-steps{width:min(100%,680px);margin-inline:auto}
}
@media(max-width:720px){
  :root{--header-height:69px}
  .container{width:min(100% - 32px,600px)}
  .header-inner{gap:12px;padding-block:10px}
  .brand{font-size:18px}
  .brand img{width:40px;height:40px}
  .header-cta{min-height:38px;padding-inline:15px;font-size:12px}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:6px;padding-block:65px 45px}
  .hero h1{font-size:clamp(42px,10vw,58px)}
  .hero-lead{margin-top:21px;font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .button{width:100%}
  .hero-visual{min-height:495px}
  .hero-orbit{width:450px;height:450px}
  .hero-attribute-reading{right:max(0px,calc((100% - 420px)/2))}
  .hero-attribute-shelf{left:max(0px,calc((100% - 420px)/2))}
  .section{padding-block:78px}
  .advantage-card{padding:34px 23px;border-radius:38px}
  .featured-heading{display:block}
  .featured-heading>p{max-width:none;margin-top:15px}
  .experience-grid{grid-template-columns:1fr;gap:31px}
  .experience-copy{max-width:600px}
  .experience-lead{margin-top:18px;font-size:16px}
  .reader-preview{min-height:440px;border-radius:32px}
  .faq-grid{grid-template-columns:1fr;gap:27px}
  .download-inner{grid-template-columns:1fr;justify-items:center;gap:18px;text-align:center}
  .download img{width:64px;height:64px;border-radius:17px}
  .download-inner .button{grid-column:1;justify-self:center;width:min(100%,360px);min-width:0;margin-top:10px}
  .footer-inner{align-items:flex-start;flex-direction:column;justify-content:center;padding-block:27px}
}
@media(max-width:560px){
  .hero-visual{min-height:475px}
  .phone{transform:rotate(4deg) scale(.91)}
  .hero-orbit{width:360px;height:360px}
  .hero-attribute{padding:9px 13px;font-size:12px}
  .hero-attribute-reading{top:57px;right:0}
  .hero-attribute-shelf{bottom:51px;left:0}
  .reader-preview{min-height:390px;border-radius:26px}
  .reader-preview::before{width:310px;height:310px}
  .reader-window{width:min(72%,255px);height:350px;border-radius:22px}
  .reader-toolbar{height:44px}
  .reader-page{height:265px}
  .reader-bottom{height:41px}
  .reader-panel-one,.reader-panel-two{height:155px}
  .bookshelf-layout{gap:25px}
  .bookshelf-intro>p:last-child{margin-top:15px;font-size:16px}
  .bookshelf-art{min-height:325px}
  .bookshelf-art::before{inset:20px 4% 10px}
  .shelf-cover-front{top:25px;left:9%;width:155px}
  .shelf-cover-back{top:74px;right:9%;width:135px}
  .shelf-cover figcaption{right:-8px;padding:6px 11px;font-size:11px}
  .bookshelf-steps li{gap:15px}
  .step-content{min-height:100px}
  .step-content h3{font-size:19px}
  .step-content p{font-size:14px}
  .experience-details p{grid-template-columns:1fr;gap:4px;padding-block:14px}
  .advantage-grid{gap:12px;margin-top:33px}
  .advantage-card{padding:25px 13px 27px;border-radius:28px}
  .advantage-icon{width:48px;height:48px;margin-bottom:16px;font-size:26px}
  .advantage-card h3{font-size:17px}
  .advantage-card p{margin-top:9px;font-size:12px;line-height:1.65}
  .work-grid{gap:12px;margin-top:28px}
  .work-card{border-radius:18px}
  .work-info{padding:15px 13px 18px}
  .work-info h3{font-size:18px}
  .work-info>p:last-child{font-size:12px}
  .faq-list dt{font-size:16px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .button{transition:none}
  .hero-attribute{animation:none}
}