/* DRP·全域光场 · 新书 VI 的六扇光窗。 */
.drp-lightfield{position:absolute;inset:0;overflow:hidden;pointer-events:none;isolation:isolate}
.drp-window{position:absolute;display:block;width:20%;height:63%;top:17%;left:37%;border:1px solid #67dbff55;background:linear-gradient(115deg,#21b9ef05,#1b85d51a);transform:skewY(-24deg);box-shadow:0 0 55px #30b5ed0d}
.drp-window b{position:absolute;left:14%;top:32%;width:27%;height:24%;border:1px solid #a4edffb3;background:linear-gradient(145deg,#4ad5ff70,#0a87d21a);box-shadow:0 0 25px #26bfff55,inset 0 0 12px #7adfff40;animation:drp-light 7s ease-in-out infinite;animation-play-state:paused}
.drp-window--0{left:12%;top:22%;height:50%}.drp-window--1{left:26%;top:8%;height:70%}.drp-window--2{left:44%;top:16%;height:74%}.drp-window--3{left:57%;top:24%;height:61%}.drp-window--4{left:70%;top:12%;height:66%}.drp-window--5{left:83%;top:32%;height:53%}
.drp-window--1 b,.drp-window--4 b{top:54%;animation-delay:-2.2s}.drp-window--2 b,.drp-window--5 b{animation-delay:-4.8s}
.drp-lightfield[data-running=true] .drp-window b{animation-play-state:running}
@keyframes drp-light{0%,100%{opacity:.45;transform:translateY(0)}50%{opacity:.95;transform:translateY(-12px)}}
.drp-book-art{position:relative;aspect-ratio:1066/1618;width:100%;overflow:hidden;mix-blend-mode:multiply;filter:drop-shadow(18px 24px 20px #05294c25)}
.drp-book-art img{display:block;width:187.62%;max-width:none;height:auto;transform:translate(-24.8%,-10.4%)}
.drp-eyebrow{font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:#087fae;margin:0 0 18px}
.drp-tag{display:inline-flex;align-items:center;padding:7px 13px;border:1px solid #1498c749;background:#e5f7fc;border-radius:4px;color:#075e8c;font-size:14px;font-weight:600;letter-spacing:.06em}
.home2-book{display:none;position:relative;width:100%;isolation:isolate;grid-template-columns:minmax(0,1.4fr) minmax(250px,.75fr);align-items:center;gap:7%;padding:42px 2% 72px}
.home2-book h2{font-size:clamp(34px,3.3vw,58px);line-height:1.28;letter-spacing:-.035em;font-weight:650;color:#112b4e;margin:23px 0 20px}
.home2-book h2 span{display:block;color:#007cae}.home2-book-subtitle{font-size:clamp(18px,1.55vw,25px);color:#214f70;margin:0 0 20px;line-height:1.5}
.home2-book-byline{font-size:16px;line-height:1.9;color:#46617c;margin:0 0 28px}.home2-book-byline span{display:block;font-size:14px}
.home2-book-visual{position:relative;padding:12px 0;max-width:315px;width:100%;justify-self:center}
.home2-book-visual .drp-lightfield{inset:-18% -40%;opacity:.65;z-index:-1}
.home2-hero[data-hero-variant=book]{background:radial-gradient(ellipse at 72% 35%,#d9f6ff,transparent 55%),linear-gradient(120deg,#f8fbfd,#edf5f9);color:#112b4e}
.home2-hero[data-hero-variant=book] .home2-book{display:grid}
.home2-hero[data-hero-variant=book] .home2-hero-media,.home2-hero[data-hero-variant=book] .home2-global-screen,.home2-hero[data-hero-variant=book] .home2-hero-copy,.home2-hero[data-hero-variant=book] .home2-hero-stars,.home2-hero[data-hero-variant=book] .home2-hero-cosmos{display:none}
.home2-hero[data-hero-variant=book] .home2-hero-inner{grid-template-columns:1fr}
body.home .home2-hero[data-hero-variant=book] .home2-hero-nightbg,body.home .home2-hero[data-hero-variant=book] .home2-cosmos{display:none}
body.home .home2-hero[data-hero-variant=book] .home2-hero-switch{background:#ffffffeb;border-color:#c9dce9;box-shadow:0 4px 20px #123b5912}
body.home .home2-hero[data-hero-variant=book] .home2-hero-switch button[aria-pressed=false]{color:#254c68}
body.home .home2-hero[data-hero-variant=book] .home2-hero-switch button[aria-pressed=true]:not([data-hero-rotation]){color:#fff;background:#087fba}
body.home .home2-hero[data-hero-variant=book] .home2-hero-switch button[data-hero-rotation]{background:transparent;color:#456981}
body.home .home2-hero[data-hero-variant=book] .home2-btn--secondary{background:#ffffffa3;color:#195477;border-color:#aac7da}
.home2-hero-switch button[data-hero-rotation]{border-left:1px solid #0067b42b;border-radius:0 28px 28px 0;font-size:12px;min-width:54px}
.home2-hero-switch button[data-hero-rotation] svg{width:14px;height:14px}
.drp-page{--drp-ink:#112b4e;--drp-blue:#087fae;color:var(--drp-ink);background:#fff}
.drp-wrap{max-width:1240px;margin:0 auto;padding:0 40px}
.drp-hero{position:relative;overflow:hidden;background:#0c2344;color:#fff;padding:94px 0 84px;isolation:isolate}
.drp-hero>.drp-lightfield{left:45%;z-index:-1;opacity:.85}
.drp-hero-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:8%;align-items:center}
.drp-hero .drp-eyebrow{color:#76d5f2}.drp-hero h1{font-size:clamp(38px,4.3vw,66px);line-height:1.18;letter-spacing:-.025em;margin:0 0 24px;color:#fff}
.drp-hero h1 span{display:block;color:#66d8f6}.drp-hero p.drp-lead{font-size:18px;line-height:1.85;color:#cadbeb;max-width:36em}
.drp-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.drp-actions a{display:inline-flex;gap:10px;align-items:center;justify-content:center;border:1px solid #acc5db66;border-radius:28px;padding:12px 23px;text-decoration:none;font-size:15px;line-height:1.5;color:inherit}.drp-actions a:first-child{color:#fff;background:#087fba;border-color:#087fba}.drp-hero .drp-actions a:first-child{background:#58d0ee;color:#07263e;border-color:#58d0ee}
.drp-hero-map{position:relative;display:grid;gap:14px;padding:25px 0}
.drp-hero-map div{border:1px solid #80dafb4f;border-radius:9px;padding:19px 24px;background:#0c3453bf;backdrop-filter:blur(8px)}
.drp-hero-map small{display:block;font-size:11px;color:#71d9f7;letter-spacing:.12em;margin-bottom:6px}.drp-hero-map strong{font-size:23px;font-weight:550}.drp-hero-map p{margin:5px 0 0;font-size:14px;color:#b4cfdf;line-height:1.6}
.drp-section{padding:80px 0}.drp-section:nth-of-type(2n){background:#f3f7fa}.drp-section h2{font-size:clamp(27px,3vw,39px);line-height:1.3;letter-spacing:-.02em;color:#112b4e;margin:0 0 24px}
.drp-section p{font-size:16px;line-height:1.85}.drp-section-head{max-width:820px;margin-bottom:36px}.drp-section-head p{color:#4c6378}
.drp-book-feature{display:grid;grid-template-columns:300px 1fr;gap:9%;align-items:center}.drp-book-feature h2{margin-top:20px}.drp-book-feature .drp-book-art{max-width:270px;margin:auto}
.drp-facts{display:flex;flex-wrap:wrap;gap:12px 28px;color:#4c6378;font-size:15px;line-height:1.7}.drp-facts strong{color:#153e5b}
.drp-steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}.drp-step{padding:25px 20px;border-top:2px solid #25a4ca;background:#fff}.drp-step small{color:#1c92bc;font-size:12px;letter-spacing:.15em}.drp-step h3{font-size:20px;line-height:1.4;margin:16px 0 10px}.drp-step p{font-size:14px;color:#4c6378;margin:0}
.drp-resources{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.drp-resource{display:flex;flex-direction:column;text-decoration:none;color:inherit;background:#fff;border:1px solid #dce6ed;padding:27px;border-radius:9px;transition:border-color .2s,box-shadow .2s}.drp-resource:hover{border-color:#2e9ec5;box-shadow:0 10px 32px #1543680b}.drp-resource small{font-size:12px;letter-spacing:.1em;color:#147aa3}.drp-resource h3{font-size:21px;line-height:1.5;margin:15px 0}.drp-resource p{font-size:14px;color:#526b7f;margin:0 0 20px}.drp-resource span{margin-top:auto;color:#087eaa;font-size:14px}
.drp-paths{display:grid;grid-template-columns:1fr 1fr;gap:24px}.drp-paths article{padding:30px;border:1px solid #dae5eb;border-radius:8px}.drp-paths h3{font-size:23px;margin:0 0 12px}.drp-paths a{color:#0674a8;text-underline-offset:4px}.drp-paths li{margin:12px 0;line-height:1.7}.drp-paths ul{padding-left:20px}
.drp-book-content h3{margin:27px 0 12px}.drp-book-content dl{display:grid;grid-template-columns:auto 1fr;gap:8px 22px}.drp-book-content dt{color:#566c7c}.drp-book-content dd{margin:0}
.drp-toc{font-size:15px;line-height:1.7}.drp-toc h3{font-size:20px;color:#164969;margin:24px 0 15px}.drp-toc>ol{list-style:none;padding:0}.drp-toc>ol>li{padding:16px 0;border-bottom:1px solid #dde7ed}.drp-toc ol ol{list-style:none;margin:9px 0 0;padding-left:1.2em;font-size:14px;color:#52697b}.drp-toc ol ol li{padding:4px 0}.drp-toc .drp-toc-row{display:flex;gap:20px;justify-content:space-between;align-items:baseline}.drp-toc .drp-toc-page{white-space:nowrap;font-size:12px;color:#667f90;flex-shrink:0}
.publication-kind--drp .publication-kicker{font-weight:600;color:#087baf}.publication-kind--drp .publication-cover img{aspect-ratio:185/260;object-fit:contain;max-height:480px}.publication-kind--drp .publication-toc{display:block}.publication-kind--drp .publication-contents-grid{grid-template-columns:.55fr 1fr}
.publication-kind--drp .publication-hero .publication-kicker{color:#bdeaff}
.publication-kind--drp .publication-overview-grid{grid-template-columns:220px minmax(0,1fr)}
.publication-kind--drp .publication-prose{max-width:none}
.publication-kind--drp .publication-prose>p{max-width:70ch}
@media(max-width:900px){.home2-book{gap:5%;grid-template-columns:1.4fr .75fr}.home2-book h2{font-size:38px}.drp-steps{grid-template-columns:repeat(3,1fr)}.drp-resources{grid-template-columns:1fr 1fr}.drp-book-feature{grid-template-columns:230px 1fr;gap:5%}.drp-hero-inner{gap:4%}.drp-hero-map strong{font-size:20px}}
@media(max-width:640px){.home2-book{grid-template-columns:1fr;padding:20px 0 30px;gap:24px}.home2-book h2{font-size:32px;margin:17px 0 13px;letter-spacing:-.04em}.home2-book-copy{position:relative;z-index:2}.home2-book-subtitle{font-size:17px;margin-bottom:12px}.home2-book-byline{font-size:14px;line-height:1.65;margin:0 0 18px}.home2-book-byline span{font-size:12px}.home2-book-visual{width:156px;padding:0;margin:0 auto;grid-row:2}.home2-book .home2-hero-actions{gap:8px;display:flex;flex-wrap:wrap}.home2-book .home2-btn{padding:10px 16px;min-height:44px;font-size:13px}.home2-hero[data-hero-variant=book] .home2-hero-inner{padding-top:85px;padding-bottom:0}.home2-hero-switch{max-width:calc(100% - 24px);gap:1px}.home2-hero-switch button{padding:9px 10px;font-size:12px;gap:4px}.home2-hero-switch button svg{width:16px;height:16px}.home2-hero-switch button[data-hero-rotation]{padding:9px 8px;min-width:42px}.drp-wrap{padding:0 22px}.drp-hero{padding:54px 0 45px}.drp-hero-inner{grid-template-columns:1fr;gap:25px}.drp-hero h1{font-size:40px}.drp-hero p.drp-lead{font-size:16px}.drp-hero>.drp-lightfield{left:15%}.drp-hero-map{padding:0;gap:9px}.drp-hero-map div{padding:13px 18px}.drp-hero-map strong{font-size:19px}.drp-hero-map p{font-size:13px}.drp-section{padding:50px 0}.drp-book-feature{grid-template-columns:1fr;gap:32px}.drp-book-feature .drp-book-art{max-width:190px}.drp-steps{grid-template-columns:1fr 1fr}.drp-step{padding:20px 16px}.drp-step h3{font-size:18px}.drp-resources,.drp-paths{grid-template-columns:1fr}.drp-section h2{font-size:29px}.drp-resource{padding:23px}.publication-kind--drp .publication-contents-grid{grid-template-columns:1fr}.drp-toc{font-size:14px}.drp-toc ol ol{font-size:13px;padding-left:.5em}.drp-toc .drp-toc-row{gap:10px}.drp-toc .drp-toc-page{font-size:11px}}
@media(prefers-reduced-motion:reduce){.drp-window b{animation:none!important}.drp-resource{transition:none}}
@media(max-width:640px){.drp-steps .drp-step:last-child{grid-column:1/-1}.publication-kind--drp .publication-overview-grid{grid-template-columns:1fr}}

body.home .home2-hero.is-night[data-hero-variant=book] .home2-hero-switch button[aria-pressed=false]{color:#254c68}
.drp-book-facts .article-news-feature{background:#f4f8fb}.drp-book-facts .article-news-feature img{object-fit:contain;background:#fff}
/* The launch article keeps the original WeChat images inside its editable body. */
.drp-book-release .article-news-feature{aspect-ratio:1;max-width:420px;width:100%;justify-self:center;background:transparent;border:0;border-radius:0;box-shadow:none}
.drp-book-release .drp-release-book-link{display:flex;gap:26px;align-items:center;margin:40px 0 0;padding:24px 30px;background:#edf5fa;border:1px solid #d4e3ec;border-radius:12px;color:#163c5b;text-decoration:none}
.drp-book-release .drp-release-book-link img{width:100px;height:100px;object-fit:contain;margin:0;flex-shrink:0;border-radius:0;box-shadow:none}
.drp-book-release .drp-release-book-link span{display:block}
.drp-book-release .drp-release-book-link strong{display:block;font-size:22px;margin-bottom:8px}
.drp-book-release .drp-release-book-link small{display:block;font-size:15px;line-height:1.8;color:#4d697f}
.drp-book-release .drp-release-book-link:focus-visible{outline:2px solid #0067b4;outline-offset:4px}
@media(max-width:640px){.drp-book-release .drp-release-book-link{gap:16px;padding:20px 16px}.drp-book-release .drp-release-book-link img{width:72px;height:72px}.drp-book-release .drp-release-book-link strong{font-size:19px}.drp-book-release .drp-release-book-link small{font-size:14px}}
.drp-book-release .article-news-feature::after{display:none}
.drp-book-release .article-news-feature img{object-fit:contain;filter:drop-shadow(12px 18px 18px #05183150)}
.drp-book-release .article-hero h1{font-size:clamp(32px,3.2vw,46px);line-height:1.4;text-wrap:balance}
.drp-book-release .article-news-body .drp-release-cover{width:min(100%,470px);margin:36px auto}
.drp-book-release .article-news-body .drp-release-cover img{width:100%;height:auto;border-radius:0;box-shadow:none;background:transparent}
.drp-book-release .article-news-body .drp-release-portrait{width:150px;margin:28px 0 20px}
.drp-book-release .article-news-body .drp-release-portrait img{width:100%;height:auto;border-radius:50%;box-shadow:none}
.drp-book-release .article-news-body .drp-release-directory{margin:36px 0;padding:20px 24px;border:1px solid #d9e6ef;border-radius:10px;background:#f6faff}
.drp-release-directory summary{cursor:pointer;font-weight:600;color:#145279;min-height:44px;line-height:1.7;display:list-item;align-content:center}
.drp-release-directory[open]>summary{margin-bottom:20px}
.drp-release-directory>figure{margin:0 auto 24px!important}
.drp-release-directory details{padding:16px 0 0;border-top:1px solid #d9e6ef}
.drp-release-directory .drp-toc{color:#314f64;background:transparent}
.drp-release-directory .drp-toc-row{display:flex;justify-content:space-between;gap:16px}
.drp-release-directory .drp-toc-page{white-space:nowrap;color:#587589}
.drp-release-directory .drp-toc ol{padding-left:20px}
@media(max-width:640px){.drp-book-release .article-news-feature{max-width:260px}.drp-book-release .article-hero h1{font-size:30px}.drp-book-release .article-news-body .drp-release-cover{width:min(100%,330px)}.drp-book-release .article-news-body .drp-release-portrait{width:118px}.drp-book-release .article-news-body .drp-release-directory{padding:14px 16px}}
@media(max-width:360px){.home2-book h2{font-size:26px}.home2-book-subtitle{font-size:16px}.home2-book-visual{width:118px}.home2-hero-switch button{padding-left:7px;padding-right:7px}}

/* Small, accessible transport control; only the content pane animates on a slide change. */
.home2-hero-switch button[data-hero-rotation]{min-width:36px;padding:0 10px;opacity:.65;justify-content:center}
.home2-hero-switch button[data-hero-rotation]:hover,.home2-hero-switch button[data-hero-rotation]:focus-visible{opacity:1}
.home2-hero-switch button[data-hero-rotation] svg{width:14px;height:14px}
.publication-kind--drp .publication-cover .drp-book-art{max-width:240px;margin:20px auto}
.publication-kind--drp .publication-cover .drp-book-art img{width:187.62%;max-width:none;max-height:none;aspect-ratio:auto;filter:none}
@media(max-width:640px){.home2-hero-switch button[data-hero-rotation]{min-width:32px;padding:0 7px}.publication-kind--drp .publication-cover .drp-book-art{max-width:170px}}