:root{--bg:#07080c;--bg-2:#0d0e14;--bg-3:#14151c;--text:#e8e8ec;--text-soft:#a7adc2;--text-mute:#8a91a8;--accent:#00d4ff;--accent-2:#0099ff;--accent-3:#4fc3f7;--accent-gradient:linear-gradient(135deg,#00d4ff,#6b5ce7);--line:rgba(255,255,255,0.08);--line-strong:rgba(255,255,255,0.16);--font-sans:"Inter","PingFang SC","HarmonyOS Sans",-apple-system,sans-serif;--space-xs:8px;--space-sm:16px;--space-md:24px;--space-lg:32px;--space-xl:48px;--space-2xl:64px;--space-3xl:96px;--radius:16px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);line-height:1.85;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}body:before{background:radial-gradient(ellipse 800px 600px at 15% 5%,rgba(0,212,255,.25),transparent 60%),radial-gradient(ellipse 700px 500px at 85% 25%,rgba(0,153,255,.18),transparent 65%),radial-gradient(ellipse 600px 400px at 50% 80%,rgba(79,195,247,.12),transparent 60%)}body:after,body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0}body:after{background-image:linear-gradient(rgba(255,255,255,.015) 1px,transparent 0),linear-gradient(90deg,rgba(255,255,255,.015) 1px,transparent 0);background-size:48px 48px}body>*{position:relative;z-index:1}.wrap{max-width:1120px;margin:0 auto;padding:0 40px}a{color:inherit;text-decoration:none;transition:color .25s}.display-en,h1,h2,h3{font-family:var(--font-sans)}h1,h2,h3{font-weight:700}@keyframes fadeUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes drawLine{0%{width:0}to{width:60px}}.fade-up{animation:fadeUp .8s cubic-bezier(.22,1,.36,1) both}.fade-in{animation:fadeIn 1s ease both}.delay-1{animation-delay:.15s}.delay-2{animation-delay:.3s}.delay-3{animation-delay:.45s}.delay-4{animation-delay:.6s}.delay-5{animation-delay:.75s}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:100;background:rgba(7,8,12,.7);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent-2),var(--accent),var(--accent-3));box-shadow:0 0 14px rgba(0,212,255,.55);pointer-events:none;z-index:2}.nav-inner{justify-content:space-between;padding:20px 0}.brand,.nav-inner{display:flex;align-items:center}.brand{gap:14px}.brand-seal{width:40px;height:40px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-sans);font-size:20px;font-weight:700;letter-spacing:2px;position:relative;transition:background .4s ease,border-color .4s ease}.nav .brand-seal{background:rgba(255,255,255,.1)}.brand-seal:after,.nav .brand-seal{border:1px solid rgba(0,212,255,.4)}.brand-seal:after{content:"";position:absolute;inset:3px}.brand-text h1{font-size:19px;letter-spacing:6px;font-weight:700;font-family:var(--font-sans);transition:color .4s ease}.nav .brand-text h1{color:var(--text)}.brand-text span{font-size:12px;letter-spacing:3px;color:var(--text-mute);font-family:var(--font-sans);text-transform:uppercase;transition:color .4s ease}.nav .brand-text span{color:rgba(255,255,255,.5)}.menu{display:flex;gap:32px;align-items:center}.menu a{font-size:15px;letter-spacing:2px;color:var(--text-soft);position:relative;padding-bottom:4px;transition:color .4s ease;cursor:pointer}.nav .menu a{color:rgba(255,255,255,.6)}.nav .menu a:hover{color:var(--text)}.menu a:after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .3s ease}.menu a:hover{color:var(--text)}.menu a:hover:after{width:100%}.menu a.active{color:var(--accent)}.menu a.active:after{width:100%}.nav-center{display:flex;gap:36px;align-items:center}.nav-center a{font-size:16px;letter-spacing:2.5px;color:var(--text-soft);position:relative;padding-bottom:4px;transition:color .4s ease;cursor:pointer}.nav .nav-center a{color:rgba(255,255,255,.7)}.nav .nav-center a:hover{color:var(--text)}.nav-center a:after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .3s ease}.nav-center a:hover{color:var(--text)}.nav-center a:hover:after{width:100%}.nav-center a.active{color:var(--accent)}.nav-center a.active:after{width:100%}.section{padding:100px 0;position:relative}.section+.section{border-top:1px solid var(--line)}.section-head{text-align:center;margin-bottom:56px}.section-eyebrow{font-family:var(--font-sans);font-size:13px;letter-spacing:6px;background:var(--accent-gradient);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-transform:uppercase;margin-bottom:14px;font-weight:600}.section-title{font-size:48px;letter-spacing:1px;line-height:1.2;font-weight:700}.section-title em{font-style:normal;background:var(--accent-gradient);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.section-desc{margin-top:14px;font-size:17px;color:var(--text-mute);max-width:560px;line-height:1.85}#articles .section-desc,#videos .section-desc{max-width:none;text-align:center}#view-about{min-height:auto}.author-intro{display:grid;grid-template-columns:280px 1fr;grid-gap:48px;gap:48px;align-items:stretch}@media (max-width:900px){.author-intro{grid-template-columns:1fr;gap:32px}}.author-photo{width:100%;aspect-ratio:3/4;overflow:hidden;background:var(--bg-3);border:1px solid var(--line);position:relative;box-shadow:0 8px 24px rgba(0,0,0,.3);transform-style:preserve-3d;transition:box-shadow .3s ease,z-index 0s;cursor:pointer}.author-photo:hover{z-index:20;box-shadow:0 30px 80px rgba(0,0,0,.35),0 0 40px rgba(0,212,255,.25)}.author-photo img{width:100%;height:100%;object-fit:cover;object-position:center 20%;display:block}.author-info{perspective:1000px;display:flex;flex-direction:column}.author-name{font-size:40px;letter-spacing:4px;margin-bottom:8px;padding-left:21px;text-indent:4px}.author-titles{font-family:var(--font-sans);font-size:17px;letter-spacing:2px;margin-bottom:24px;font-weight:600;line-height:1.8;padding-left:25px;background:var(--accent-gradient);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.author-bio-box{border:1px solid var(--line);padding:24px;background:rgba(255,255,255,.02);flex:1 1}.author-bio-box p{font-size:17px;color:var(--text-soft);line-height:1.85;margin-bottom:1em}.author-bio-box p:last-child{margin-bottom:0}.publications-timeline{margin-top:64px}.pub-timeline-header{text-align:center;margin-bottom:32px}.pub-timeline-title{font-family:var(--font-sans);font-size:24px;font-weight:700;letter-spacing:3px;margin-bottom:8px}.pub-timeline-subtitle{font-family:var(--font-sans);font-size:14px;letter-spacing:5px;background:var(--accent-gradient);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-transform:uppercase;font-weight:600}.pub-timeline-items{display:flex;gap:20px;align-items:flex-end;justify-content:space-between}@media (max-width:900px){.pub-timeline-items{flex-wrap:wrap;justify-content:center}}.pub-book{display:flex;flex-direction:column;align-items:center;gap:10px}.pub-book-year{font-family:var(--font-sans);font-size:13px;font-weight:600;background:var(--accent-gradient);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:2px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.pub-book-cover{width:140px;height:160px;border:1px solid var(--line);border-left:3px solid var(--accent-2);background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));box-shadow:inset -2px 0 0 rgba(255,255,255,.04);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:12px 8px;position:relative;transition:transform .2s ease,box-shadow .2s ease;cursor:default}.pub-book:hover .pub-book-cover{transform:translateY(-4px);box-shadow:inset -2px 0 0 rgba(255,255,255,.04),0 8px 24px rgba(0,0,0,.3)}.pub-book-cover .pub-book-name{font-size:15px;font-weight:500;color:var(--text);text-align:center;letter-spacing:1px;line-height:1.4}.pub-book-cover .pub-book-detail{font-size:12px;color:var(--text-mute);text-align:center;margin-top:6px;letter-spacing:.5px;line-height:1.3}.pub-book--new .pub-book-cover{border:1px solid rgba(0,212,255,.3);border-left:3px solid var(--accent);box-shadow:inset -2px 0 0 rgba(255,255,255,.04),0 4px 20px rgba(0,212,255,.15)}.pub-book--new:hover .pub-book-cover{box-shadow:inset -2px 0 0 rgba(255,255,255,.04),0 8px 30px rgba(0,212,255,.25)}.pub-book-badge{position:absolute;top:6px;right:6px;padding:2px 6px;background:rgba(0,212,255,.15);border:1px solid rgba(0,212,255,.4);font-size:9px;color:var(--accent);letter-spacing:1px;font-weight:700}@media (max-width:900px){.pub-book-cover{width:100px;height:130px;padding:8px 6px}.pub-book-cover .pub-book-name{font-size:12px}.pub-book-cover .pub-book-detail{font-size:10px}}.book-section{background:var(--bg-2);color:var(--text);padding:120px 0;position:relative;overflow:hidden}.book-section:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 600px 400px at 80% 30%,rgba(0,212,255,.08),transparent 70%),radial-gradient(ellipse 400px 300px at 20% 70%,rgba(0,212,255,.05),transparent 60%);pointer-events:none}.book-section .section-eyebrow{background:var(--accent-gradient);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.book-section .section-title{color:var(--text)}.book-section .section-desc{color:rgba(255,255,255,.6)}.book-layout{display:grid;grid-template-columns:1fr 400px;grid-gap:60px;gap:60px;align-items:center;position:relative;z-index:2;margin-bottom:80px}.book-cover-wrap{perspective:800px;transform:perspective(800px) rotateY(-8deg)}@media (max-width:900px){.book-layout{grid-template-columns:1fr;gap:40px;justify-items:center}.book-cover-wrap{width:300px;max-width:80vw;transform:none;perspective:none}.book-cover:hover{transform:scale(1.05)}}.book-cover{background:var(--bg-3);position:relative;box-shadow:0 20px 60px rgba(0,0,0,.4);border:1px solid transparent;line-height:0;width:100%;transition:transform .4s cubic-bezier(.25,.46,.45,.94),box-shadow .4s cubic-bezier(.25,.46,.45,.94),border-color .4s cubic-bezier(.25,.46,.45,.94)}.book-cover:hover{transform:scale(1.05) rotateX(-3deg);border-color:rgba(0,212,255,.3);box-shadow:0 30px 80px rgba(0,0,0,.5),0 0 30px rgba(0,212,255,.2)}.book-cover img{width:100%;height:auto;display:block}.book-info-tag{display:inline-block;padding:5px 14px;background:rgba(0,212,255,.15);border:1px solid rgba(0,212,255,.3);color:var(--accent-2);font-size:12px;letter-spacing:5px;text-transform:uppercase;margin-bottom:20px;font-family:var(--font-sans);font-weight:600}.book-info h2 em{font-style:normal;background:var(--accent-gradient);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.book-info h2{font-size:52px;line-height:1.2;letter-spacing:1px;margin-bottom:24px;color:var(--text)}.book-info p{font-size:17px;color:rgba(255,255,255,.65);line-height:1.85;margin-bottom:1.5em;max-width:540px;text-align:justify;text-align-last:left}.book-info .book-signature{text-align:right;text-align-last:right;max-width:540px;margin-bottom:0}.book-pub{margin-top:32px;font-size:14px;color:rgba(255,255,255,.55);letter-spacing:2px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;max-width:540px}@media (max-width:640px){.book-pub{flex-direction:row;align-items:center;justify-content:space-between;gap:12px}.book-pub-info{flex-direction:column;gap:4px}}.book-pub-info{display:flex;gap:16px}.book-pub b{color:rgba(255,255,255,.6);font-weight:500}.book-buy-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;background:var(--accent-gradient);color:#fff;font-size:15px;font-weight:600;letter-spacing:3px;border:none;border-radius:6px;cursor:pointer;text-decoration:none;white-space:nowrap;box-shadow:0 4px 24px rgba(0,212,255,.3);transition:box-shadow .2s ease,transform .15s ease}.book-buy-btn:hover{box-shadow:0 6px 32px rgba(0,212,255,.5);transform:translateY(-2px)}.book-buy-btn svg{width:20px;height:20px;fill:currentColor}.chapters{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:24px;gap:24px;position:relative;z-index:2;perspective:800px}.chapter{padding:28px 24px;background:linear-gradient(160deg,#14151c,#1a1b24);border:1px solid rgba(255,255,255,.06);border-radius:16px;box-shadow:0 4px 20px rgba(0,0,0,.3),0 1px 3px rgba(0,0,0,.2);cursor:pointer;transition:box-shadow .15s ease,background .15s ease,border-color .15s ease;position:relative;overflow:hidden;transform-style:preserve-3d}.chapter:before{content:"";position:absolute;top:0;left:0;width:100%;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:0;transition:opacity .15s}.chapter:hover{background:linear-gradient(160deg,#1a1b24,#20212c);border-color:rgba(0,212,255,.3);box-shadow:0 12px 40px rgba(0,0,0,.4),0 0 20px rgba(0,212,255,.1)}.chapter:hover:before{opacity:1}.chapter-no{font-size:12px;letter-spacing:5px;color:var(--accent-2);text-transform:uppercase}.chapter-no,.chapter-title{font-family:var(--font-sans);margin-bottom:14px;font-weight:600}.chapter-title{font-size:24px;line-height:1.35;color:var(--text);letter-spacing:1px}.chapter-text{font-size:15px;color:rgba(255,255,255,.5);line-height:1.75}.chapter-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:14px}.chapter-label{font-family:var(--font-sans);font-size:12px;letter-spacing:5px;color:var(--accent-2);text-transform:uppercase;font-weight:600;white-space:nowrap;margin-left:12px;padding-top:4px}.chapter-quote{margin:16px 0;padding:14px 18px;background:rgba(0,212,255,.08);border-left:2px solid var(--accent);font-size:14px;color:rgba(255,255,255,.7);line-height:1.8;font-style:italic}.chapter-status{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.06);font-size:13px;color:rgba(255,255,255,.55);letter-spacing:1px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.chapter-arrow{color:var(--accent-2);font-size:16px;transition:transform .15s}.chapter:hover .chapter-arrow{transform:translateX(4px)}.article-list{display:flex;flex-direction:column}.article-row{display:grid;grid-template-columns:56px 1fr auto;grid-gap:28px;gap:28px;align-items:center;padding:26px 32px;background:rgba(255,255,255,.03);border-bottom:1px solid var(--line);position:relative;transition:background .35s cubic-bezier(.22,1,.36,1),transform .35s cubic-bezier(.22,1,.36,1),box-shadow .35s cubic-bezier(.22,1,.36,1),border-color .35s cubic-bezier(.22,1,.36,1)}.article-row:first-child{border-top:1px solid var(--line)}.article-row:before{content:"";position:absolute;left:0;top:0;width:3px;height:100%;background:var(--accent);transform:scaleY(0);transform-origin:center;transition:transform .35s ease}.article-row:hover{background:rgba(255,255,255,.05);transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.3),0 0 20px rgba(0,212,255,.08)}.article-row:hover:before{transform:scaleY(1)}.article-num{font-family:var(--font-sans);font-size:36px;font-weight:700;background:var(--accent-gradient);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:1px;line-height:1;opacity:.85;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.article-body{min-width:0;padding-top:12px;display:flow-root}.article-title{font-family:var(--font-sans);font-size:24px;font-weight:600;line-height:1.35;letter-spacing:1px;color:var(--text);margin-bottom:8px;transition:color .25s}.article-row:hover .article-title{color:var(--accent)}.article-excerpt{font-size:17px;color:var(--text-mute);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;max-width:800px}.article-link{font-size:15px;background:var(--accent-gradient);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:1px;white-space:nowrap;display:inline-flex;align-items:center;gap:6px;transition:gap .3s ease}.article-row:hover .article-link{gap:12px}@media (max-width:720px){.article-row{grid-template-columns:1fr;gap:12px;padding:22px 20px}.article-num{font-size:24px}.article-title{font-size:20px}.article-excerpt{-webkit-line-clamp:3}.article-link{justify-self:start}}.videos-grid{overflow:hidden;perspective:1200px;cursor:-webkit-grab;cursor:grab;padding:20px 0;margin:-20px 0;-moz-user-select:none;user-select:none;-webkit-user-select:none;mask-image:linear-gradient(90deg,transparent,#000 40px,#000 calc(100% - 40px),transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 40px,#000 calc(100% - 40px),transparent)}.videos-track{display:flex;gap:24px;width:max-content;animation:marquee 60s linear infinite}.videos-grid{touch-action:pan-y}.videos-grid.is-dragging .video-card{pointer-events:none}@keyframes marquee{0%{transform:translateX(0)}to{transform:translateX(-50%)}}.video-card{cursor:inherit;position:relative;background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:16px;overflow:visible;transition:z-index 0s,box-shadow .3s ease,border-color .3s ease;flex-shrink:0;width:260px}.video-card:hover{z-index:20;border-color:rgba(0,212,255,.4);box-shadow:0 12px 36px rgba(0,0,0,.3)}.video-card:hover .video-title{color:var(--accent-2)}.video-thumb{width:100%;height:347px;background:linear-gradient(160deg,var(--bg-3),var(--bg-2));position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid var(--line);border-radius:15px 15px 0 0;margin-bottom:14px;transition:box-shadow .4s ease}.video-cover{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;display:block}.video-body{padding:0 16px 18px}.video-card:hover .video-thumb{box-shadow:0 12px 36px rgba(0,0,0,.3),0 0 20px rgba(0,212,255,.12)}.video-thumb:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 50%,rgba(0,212,255,.08),transparent 60%)}.video-play{position:relative;z-index:2;width:48px;height:48px;border-radius:50%;background:rgba(26,26,46,.7);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.3);display:flex;align-items:center;justify-content:center;transition:background .3s ease,transform .3s ease}.video-card:hover .video-play{background:var(--text);transform:scale(1.08)}.video-play:after{content:"";width:0;height:0;border-left:12px solid var(--accent-2);border-top:7px solid transparent;border-bottom:7px solid transparent;margin-left:3px}.video-title{font-size:16px;font-weight:500;line-height:1.5;margin-bottom:6px;letter-spacing:.5px}.video-meta{font-size:13px;color:var(--text-mute);display:flex;gap:8px}footer{padding:48px 0 40px;border-top:1px solid var(--line)}.footer-layout{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}.footer-left{display:flex;flex-direction:column;gap:12px}.footer-seal{width:40px;height:40px;background:rgba(255,255,255,.1);color:var(--text);display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-sans);font-size:20px;font-weight:700;letter-spacing:2px;position:relative;flex-shrink:0}.footer-seal,.footer-seal:after{border:1px solid rgba(0,212,255,.4)}.footer-seal:after{content:"";position:absolute;inset:3px}.footer-brand{font-family:var(--font-sans);font-size:20px;letter-spacing:6px}.footer-en{font-family:var(--font-sans);letter-spacing:4px;text-transform:uppercase;font-style:italic}.footer-copy,.footer-en{font-size:13px;color:var(--text-mute)}.footer-copy{letter-spacing:1px;line-height:1.8}.footer-email a{font-size:13px;background:var(--accent-gradient);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:1px;text-decoration:none;transition:opacity .2s ease}.footer-email a:hover{opacity:.7}.footer-right{display:flex;align-items:center;gap:16px}.footer-qr{width:100px;height:100px;background:#fff;padding:6px;flex-shrink:0}.footer-qr img{width:100%;height:100%;display:block;object-fit:contain}.footer-qr-group{display:flex;align-items:flex-end;gap:12px}.footer-qr-item{display:flex;flex-direction:column;align-items:center;gap:6px}.footer-qr-label{font-size:12px;color:var(--text-mute);letter-spacing:1px}.footer-qr-text{display:flex;flex-direction:column;gap:4px}.footer-qr-text .qr-title{font-size:14px;color:var(--text);font-weight:500;letter-spacing:1px}.footer-qr-text .qr-sub{font-size:12px;color:var(--text-mute);letter-spacing:1px}@media (max-width:700px){.footer-layout{flex-direction:column;align-items:flex-start}.footer-right{gap:12px;flex-wrap:wrap}.footer-qr{width:84px;height:84px}}.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1)}.reveal.visible{opacity:1;transform:translateY(0)}.section-hero{display:block;margin-bottom:56px;background:radial-gradient(ellipse at top left,rgba(0,212,255,.06),transparent 60%);border-radius:20px;padding:32px}.section-hero-body{flex:1 1;padding-top:12px}.section-hero-body .section-eyebrow{font-size:16px;margin-bottom:10px}.section-tag{display:inline-block;font-size:16px;letter-spacing:2px;background:var(--accent-gradient);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-transform:none;margin-left:12px;padding-left:12px;border-left:1px solid rgba(0,212,255,.25);vertical-align:middle}.section-hero-body .section-subtitle{font-family:var(--font-sans);font-size:28px;font-weight:600;color:var(--text);letter-spacing:2px;margin-bottom:12px;line-height:1.4}.section-hero-body .section-desc{margin-top:0;max-width:none}.section-coming-soon{display:flex;align-items:center;justify-content:center;min-height:200px;border:1px dashed rgba(0,212,255,.2);background:radial-gradient(circle at center,rgba(0,212,255,.06),transparent 70%),rgba(255,255,255,.03);border-radius:12px}.coming-soon-text{font-family:var(--font-sans);font-size:32px;letter-spacing:8px;color:var(--text-mute);opacity:.6}.section-hero:has(.chapter-intro){margin-bottom:0}.section-hero-body .chapter-intro{margin-top:28px;padding-top:24px;border-top:1px solid rgba(0,212,255,.12)}.chapter-intro p{font-size:17px;color:rgba(255,255,255,.8);line-height:2;margin-bottom:1.5em;text-indent:2em;overflow-wrap:break-word;word-break:normal}.chapter-intro-text{font-size:17px;line-height:1.9;color:var(--text-soft);letter-spacing:.02em;text-indent:2em}@media (max-width:768px){.section-hero{gap:24px}}.section-cards{display:flex;flex-direction:column;gap:20px}.section-card{display:grid;grid-template-columns:56px 1fr auto;grid-gap:28px;gap:28px;align-items:center;padding:32px 36px;background:rgba(255,255,255,.03);border:1px solid var(--line);border-left:3px solid var(--accent);cursor:pointer;transition:background .35s cubic-bezier(.22,1,.36,1),transform .35s cubic-bezier(.22,1,.36,1),box-shadow .35s cubic-bezier(.22,1,.36,1),border-color .35s cubic-bezier(.22,1,.36,1);position:relative}.section-card:hover{transform:translateY(-4px);box-shadow:0 12px 36px rgba(0,0,0,.3),0 0 20px rgba(0,212,255,.1);border-left-color:var(--accent-2)}.section-card-num{font-family:var(--font-sans);font-size:40px;font-weight:700;background:var(--accent-gradient);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.section-card-body{min-width:0}.section-card-title{font-family:var(--font-sans);font-size:26px;font-weight:600;line-height:1.35;letter-spacing:1px;color:var(--text);margin-bottom:10px;transition:color .25s}.section-card:hover .section-card-title{color:var(--accent)}.section-card-excerpt{font-size:17px;color:var(--text-mute);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.section-card-arrow{font-size:15px;background:var(--accent-gradient);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:1px;white-space:nowrap;display:inline-flex;align-items:center;gap:6px;transition:gap .3s ease}.section-card:hover .section-card-arrow{gap:12px}.view{display:none;min-height:100vh}.view.view-active{display:block}.back-btn{gap:8px;padding:8px 18px;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:8px;color:var(--text);cursor:pointer;font-size:18px;font-weight:700;transition:background .2s ease,border-color .2s ease,color .2s ease}.back-btn,.back-btn .back-arrow{display:inline-flex;align-items:center}.back-btn .back-arrow{justify-content:center;width:24px;height:24px;flex-shrink:0}.back-btn .back-arrow svg{width:20px;height:20px;display:block;transition:transform .2s ease}.back-btn:hover .back-arrow svg{transform:translateX(-3px)}.back-btn:hover{background:rgba(0,212,255,.15);border-color:var(--accent);color:var(--accent)}.article-detail{max-width:820px;margin:0 auto;padding:30px 24px 80px}.back-btn{margin-bottom:48px}.article-detail h2{font-size:48px;line-height:1.1;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:12px}.article-detail p{font-size:17px;color:rgba(255,255,255,.8);line-height:2;margin-bottom:1.5em;text-indent:2em;overflow-wrap:break-word;word-break:normal}.article-detail h3{font-size:24px;font-weight:600;background:var(--accent-gradient);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-top:2.5em;margin-bottom:1em;letter-spacing:.5px;text-indent:0}.article-detail blockquote{margin:1.5em 0;padding:12px 20px;border-left:3px solid var(--accent);background:rgba(0,212,255,.05);border-radius:0 8px 8px 0}.article-detail blockquote p{text-indent:0;font-size:15px;color:rgba(255,255,255,.6);margin-bottom:0;line-height:1.8}.article-detail ul{margin:1.5em 0;padding-left:2em;list-style:none}.article-detail ul li{font-size:17px;color:rgba(255,255,255,.8);line-height:2;margin-bottom:.5em;position:relative;padding-left:1.2em}.article-detail ul li:before{content:"●";position:absolute;left:0;color:var(--accent);font-size:10px;top:.5em}.section-card:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--accent),var(--accent-2),transparent);opacity:0;transition:opacity .3s}.section-card:hover:before{opacity:1}.book-main-title{text-align:center;display:block;font-size:96px;font-weight:800;letter-spacing:2px;line-height:1.15;margin-bottom:28px;background:linear-gradient(90deg,#00d4ff 30%,#8b5cf6 70%);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.book-sub-title{display:block;text-align:center;font-size:28px;font-weight:600;letter-spacing:4px;line-height:1.4;color:var(--text)}.book-desc-lines{text-align:center;width:100%;margin-top:24px;opacity:.65}.book-desc-lines p{font-size:17px;line-height:2.2;letter-spacing:1px}.publisher-info{margin-top:28px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1)}.publisher-name{font-size:17px;font-weight:600;background:var(--accent-gradient);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:8px;letter-spacing:1px}.publisher-desc{font-size:15px;color:rgba(255,255,255,.45);line-height:1.7;max-width:520px}.section-cta{text-align:center;font-size:16px;color:var(--text-soft);margin-top:32px;letter-spacing:1px}a.video-card{text-decoration:none;color:inherit;display:block}@supports not ((-webkit-backdrop-filter:blur(10px)) or (backdrop-filter:blur(10px))){.nav{background:rgba(7,8,12,.95)}}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.skip-link{position:absolute;top:-60px;left:0;background:var(--accent);color:var(--bg);padding:8px 16px;z-index:200;transition:top .2s}.skip-link:focus{top:0}.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}.nav-login-btn{background:rgba(0,212,255,.1);border:1px solid rgba(0,212,255,.3);color:#00d4ff;padding:6px 18px;border-radius:8px;font-size:14px;cursor:pointer;transition:all .2s ease;white-space:nowrap}.nav-login-btn:hover{background:rgba(0,212,255,.2);border-color:rgba(0,212,255,.5)}.nav-user-wrap{position:relative;flex-shrink:0}.nav-user{display:flex;align-items:center;gap:8px;height:34px;padding:0 12px 0 0;background:rgba(0,212,255,.08);border:1px solid rgba(0,212,255,.25);border-radius:17px;cursor:pointer;transition:all .2s ease}.nav-user-wrap.open .nav-user,.nav-user:hover{background:rgba(0,212,255,.16);border-color:rgba(0,212,255,.5)}.nav-user-avatar-box{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;overflow:hidden;flex-shrink:0}.nav-user-avatar-box svg{width:16px;height:16px;fill:#00d4ff}.nav-user-avatar{width:100%;height:100%;border-radius:50%;object-fit:cover}.nav-user-name{font-size:13px;color:rgba(255,255,255,.75);max-width:96px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nav-user-dropdown{position:absolute;top:100%;right:0;padding-top:10px;opacity:0;pointer-events:none;transform:translateY(-6px);transition:opacity .25s cubic-bezier(.22,1,.36,1),transform .25s cubic-bezier(.22,1,.36,1);z-index:300}@media (pointer:fine){.nav-user-wrap:hover .nav-user-dropdown{opacity:1;pointer-events:auto;transform:translateY(0)}}.nav-user-wrap.open .nav-user-dropdown{opacity:1;pointer-events:auto;transform:translateY(0)}.nav-user-dropdown-item{display:flex;align-items:center;gap:8px;min-width:132px;padding:11px 16px;background:linear-gradient(135deg,#16172a,#0d0e1a);border:1px solid rgba(0,212,255,.2);border-radius:12px;color:rgba(255,255,255,.75);font-size:13px;white-space:nowrap;cursor:pointer;box-shadow:0 12px 32px rgba(0,0,0,.45);transition:color .2s ease,border-color .2s ease,background .2s ease}.nav-user-dropdown-item svg{width:15px;height:15px;fill:currentColor;flex-shrink:0}.nav-user-dropdown-item:hover{color:#fff;border-color:rgba(0,212,255,.45);background:linear-gradient(135deg,#1b1d33,#10111f)}.nav-toggle span{display:block;width:24px;height:2px;background:var(--text);margin:4px 0;transition:.3s}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;transition-duration:.01ms!important}}@media (max-width:900px){.video-card{width:200px}.video-thumb{height:267px}}.mobile-only-br{display:none}.mobile-hide-comma{display:inline}@media (max-width:640px){.nav-toggle{display:block}.nav-user-name{display:none}.nav-user{padding-right:0}.menu,.nav-center{display:none}.nav.open .nav-inner{flex-wrap:wrap}.nav.open .nav-center{order:3;padding:16px 20px 8px;border-top:1px solid var(--line)}.nav.open .menu,.nav.open .nav-center{display:flex;flex-direction:column;flex-basis:100%;gap:8px;background:var(--bg)}.nav.open .menu{order:4;padding:8px 20px 16px}.chapters{grid-template-columns:1fr}.video-card{width:160px}.video-thumb{height:213px}.book-layout{grid-template-columns:1fr}.wrap{padding:0 20px}.book-section,.section{padding:60px 0}.book-main-title{font-size:48px;margin-bottom:40px}.book-sub-title{font-size:22px}.book-info h2{font-size:32px}.book-desc-lines p{line-height:1.8}.section-hero{padding:20px 16px}.section-head{margin-bottom:32px}.article-detail{padding:60px 16px 48px}.videos-grid{mask-image:linear-gradient(90deg,transparent,#000 16px,#000 calc(100% - 16px),transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 16px,#000 calc(100% - 16px),transparent);cursor:default}.mobile-only-br{display:inline}.mobile-hide-comma{display:none}}@media (pointer:coarse){.author-photo:active,.book-cover:active,.chapter:active,.video-card:active{transform:scale(.98);transition:transform .1s}.is-dragging .video-card:active{transform:none!important}}@media (max-width:900px){.book-main-title{font-size:64px}.section-title{font-size:36px}.book-info h2{font-size:40px}.author-name{font-size:32px;text-indent:0}.author-name,.author-titles{padding-left:0}.article-detail h2{font-size:36px}.section-card-num{font-size:32px}}@media (max-width:720px){.section-card{grid-template-columns:1fr;gap:12px;padding:24px 20px}.section-card-num{font-size:28px}.section-card-arrow{justify-self:start}}@media (max-width:480px){.book-main-title{font-size:42px}.book-info h2,.section-title{font-size:28px}.section-hero-body .section-subtitle{font-size:22px}.article-detail h2,.author-name{font-size:28px}.section-card-title{font-size:22px}.section-card-num{font-size:28px}}.buy-modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:500;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .3s ease}.buy-modal-overlay.active{opacity:1;pointer-events:auto}.buy-modal{background:linear-gradient(160deg,#14151c,#1a1b24);border:1px solid rgba(0,212,255,.25);border-radius:20px;padding:32px 28px 24px;width:90%;max-width:360px;box-shadow:0 20px 60px rgba(0,0,0,.5),0 0 40px rgba(0,212,255,.1);transform:translateY(20px) scale(.95);transition:transform .3s cubic-bezier(.22,1,.36,1);position:relative}.buy-modal-overlay.active .buy-modal{transform:translateY(0) scale(1)}.buy-modal-title{text-align:center;font-size:20px;font-weight:700;letter-spacing:2px;margin-bottom:24px;background:var(--accent-gradient);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.buy-modal-list{display:flex;flex-direction:column;gap:12px}.buy-modal-item{display:flex;align-items:center;gap:14px;padding:16px 20px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:12px;text-decoration:none;color:var(--text);transition:background .2s ease,border-color .2s ease,transform .15s ease}.buy-modal-item:hover{background:rgba(0,212,255,.08);border-color:rgba(0,212,255,.3);transform:translateX(4px)}.buy-modal-item:active{transform:scale(.98)}.buy-modal-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.buy-modal-name{flex:1 1;font-size:16px;font-weight:500;letter-spacing:1px}.buy-modal-arrow{font-size:14px;color:var(--text-mute);transition:color .2s ease,transform .2s ease}.buy-modal-item:hover .buy-modal-arrow{color:var(--accent);transform:translateX(4px)}.buy-modal-close{position:absolute;top:12px;right:16px;background:none;border:none;color:var(--text-mute);font-size:22px;cursor:pointer;padding:4px 8px;line-height:1;transition:color .2s ease}.buy-modal-close:hover{color:var(--text)}@media (pointer:fine){[role=button],[tabindex],a,body,button{cursor:none}}body:has(.scan-auth-page){height:100dvh;overflow:hidden}.scan-auth-page{position:fixed;inset:0;z-index:9000;display:flex;flex-direction:column;align-items:center;padding:24px;background:radial-gradient(ellipse at 50% 0,rgba(0,212,255,.08),transparent 60%),#07080c;overflow:hidden}.scan-auth-page .scan-auth-card{margin-top:auto}.scan-auth-card{width:100%;max-width:340px;text-align:center;padding:40px 28px;background:linear-gradient(135deg,#16172a,#0d0e1a);border:1px solid rgba(0,212,255,.15);border-radius:20px;box-shadow:0 20px 60px rgba(0,0,0,.5)}.scan-auth-seal{width:56px;height:56px;margin:0 auto 12px;display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:700;color:#00d4ff;border:2px solid rgba(0,212,255,.4);border-radius:14px}.scan-auth-brand{font-size:18px;font-weight:600;color:#fff;margin-bottom:24px}.scan-auth-desc{font-size:14px;line-height:1.7;color:rgba(255,255,255,.55);margin-bottom:28px}.scan-auth-warn{font-size:13px;line-height:1.6;color:#f0a020;background:rgba(240,160,32,.1);border:1px solid rgba(240,160,32,.25);border-radius:10px;padding:10px 14px;margin-bottom:18px}.scan-auth-error{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6)}.scan-auth-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:14px 0;background:#07c160;color:#fff;font-size:16px;font-weight:600;border-radius:12px;text-decoration:none;transition:background .2s}.scan-auth-btn:active{background:#06a552}.scan-auth-btn svg{width:22px;height:22px;fill:#fff}.scan-auth-check{width:56px;height:56px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-size:30px;color:#fff;background:#07c160;border-radius:50%;animation:scan-auth-pop .4s ease}@keyframes scan-auth-pop{0%{transform:scale(0)}to{transform:scale(1)}}.scan-auth-success-title{font-size:20px;font-weight:600;color:#fff;margin-bottom:10px}.scan-auth-follow{margin-top:4px}.scan-auth-follow-divider{height:1px;background:rgba(255,255,255,.08);margin:20px 0}.scan-auth-follow-text{font-size:14px;line-height:1.7;color:rgba(255,255,255,.7);margin-bottom:16px}.scan-auth-follow-qr{width:145px;height:145px;border-radius:12px;background:#fff;padding:8px;object-fit:contain}.scan-auth-follow-qr-row{display:flex;justify-content:center;align-items:flex-start;gap:12px}.scan-auth-follow-item{display:flex;flex-direction:column;align-items:center;gap:8px}.scan-auth-follow-label{font-size:12px;color:rgba(255,255,255,.5);letter-spacing:1px}.scan-auth-follow-hint{margin-top:12px;font-size:13px;color:rgba(255,255,255,.4)}.scan-auth-footer{width:100%;max-width:340px;margin-top:auto;text-align:center;padding:24px 0 calc(16px + env(safe-area-inset-bottom))}.scan-auth-footer .scan-auth-follow-qr{width:110px;height:110px}.scan-auth-footer .scan-auth-follow-hint{margin-top:10px;margin-bottom:0}.scan-auth-icp{margin-top:14px;font-size:12px;letter-spacing:.5px;color:rgba(255,255,255,.35)}main:has(.scan-full-page){z-index:9000}body:has(.scan-full-page){height:100dvh;overflow:hidden}.scan-full-page{position:fixed;inset:0;z-index:9000;display:flex;flex-direction:column;align-items:center;padding:calc(11vh + env(safe-area-inset-top)) 32px calc(28px + env(safe-area-inset-bottom));background:#07080c;overflow:hidden}.scan-full-glow{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 120% 55% at 50% -10%,rgba(0,212,255,.14),transparent 65%),radial-gradient(ellipse 80% 40% at 50% 110%,rgba(7,193,96,.07),transparent 70%)}.scan-full-top{position:relative;text-align:center}.scan-full-seal{width:72px;height:72px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-size:36px;font-weight:700;color:#00d4ff;border:2px solid rgba(0,212,255,.4);border-radius:18px;box-shadow:0 0 32px rgba(0,212,255,.18),inset 0 0 20px rgba(0,212,255,.06)}.scan-full-brand{font-size:22px;font-weight:600;color:#fff;letter-spacing:2px}.scan-full-slogan{margin-top:8px;font-size:12px;letter-spacing:1px;color:rgba(255,255,255,.35)}.scan-full-body{position:relative;flex:1 1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;width:100%;max-width:400px}.scan-full-title{font-size:24px;font-weight:600;color:#fff;margin:0 0 12px}.scan-full-desc{font-size:15px;line-height:1.7;color:rgba(255,255,255,.55);margin:0}.scan-full-scope{display:inline-flex;align-items:center;gap:8px;margin-top:24px;padding:10px 16px;font-size:13px;color:rgba(255,255,255,.6);background:rgba(0,212,255,.06);border:1px solid rgba(0,212,255,.15);border-radius:999px}.scan-full-scope svg{width:15px;height:15px;fill:#07c160;flex-shrink:0}.scan-full-warn{font-size:13px;line-height:1.6;color:#f0a020;background:rgba(240,160,32,.1);border:1px solid rgba(240,160,32,.25);border-radius:10px;padding:10px 14px;margin:0 0 20px}.scan-full-error-icon{width:56px;height:56px;margin-bottom:20px;display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:700;color:#f0a020;border:2px solid rgba(240,160,32,.4);border-radius:50%}.scan-full-bottom{position:relative;width:100%;max-width:400px;text-align:center}.scan-full-btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:16px 0;background:#07c160;color:#fff;font-size:17px;font-weight:600;border-radius:14px;text-decoration:none;box-shadow:0 8px 24px rgba(7,193,96,.25);-webkit-tap-highlight-color:transparent;transition:background .2s,transform .15s ease,box-shadow .2s}.scan-full-btn:active{background:#06a552;transform:scale(.97)}.scan-full-btn.loading{pointer-events:none;background:#06a552;box-shadow:0 4px 12px rgba(7,193,96,.15)}.scan-full-btn-spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;flex-shrink:0;animation:scan-btn-spin .8s linear infinite}@keyframes scan-btn-spin{to{transform:rotate(1turn)}}.scan-full-btn svg{width:24px;height:24px;fill:#fff}.scan-full-privacy{margin:14px 0 0;font-size:12px;line-height:1.6;color:rgba(255,255,255,.3)}