:root{--bg:#f5efe6;--paper:#fffdf9;--ink:#282c27;--muted:#746d63;--line:#ddd3c5;--green:#415a49;--warm:#a56e49;--sand:#ede1d1}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif}.topbar{position:sticky;top:0;z-index:10;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;min-height:72px;padding:0 5vw;border-bottom:1px solid rgba(221,211,197,.9);background:rgba(255,253,249,.93);backdrop-filter:blur(12px)}.brand{display:flex;align-items:baseline;gap:9px;text-decoration:none;color:var(--ink)}.brand b{font:900 25px Georgia,serif;letter-spacing:.08em}.brand span{font-size:10px;letter-spacing:.14em;color:#8a8277}.topbar nav{display:flex;gap:26px}.topbar nav a,.contact{color:#666057;text-decoration:none;font-size:13px;font-weight:750}.topbar nav a.active{color:var(--green)}.contact{justify-self:end}.eyebrow{margin:0 0 13px;color:var(--warm);font-size:11px;font-weight:900;letter-spacing:.18em}.hero{width:min(1180px,calc(100% - 36px));margin:0 auto;padding:88px 0 66px;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(360px,.75fr);gap:70px;align-items:center}.hero h1{margin:0;font-family:"Songti SC","STSong",serif;font-size:clamp(42px,5.4vw,72px);font-weight:600;line-height:1.12;letter-spacing:-.04em}.hero h1 span{color:var(--green)}.hero-copy>p:not(.eyebrow){max-width:760px;margin:24px 0 0;color:var(--muted);font-size:17px;line-height:1.85}.hero-copy>p b{color:#4f584f}.hero-actions{display:flex;align-items:center;gap:12px;margin-top:28px;flex-wrap:wrap}.primary-download,.ghost{display:inline-flex;align-items:center;justify-content:center;gap:18px;padding:15px 18px;border-radius:8px;text-decoration:none;font-size:13px;font-weight:850}.primary-download{background:var(--green);color:white}.primary-download b{font-size:18px}.ghost{border:1px solid #c9bdad;color:#5c625b;background:rgba(255,255,255,.45)}.hero-trust{display:flex;flex-wrap:wrap;gap:12px 18px;margin-top:22px;color:#81796e;font-size:11px}.hero-index{padding:22px;border:1px solid #d8cbbb;border-radius:14px;background:#fffaf4;box-shadow:0 20px 50px rgba(78,59,38,.08);transform:rotate(1deg)}.folder-head{display:flex;justify-content:space-between;align-items:center;padding:5px 2px 18px;border-bottom:1px solid #e6ddd1}.folder-head span{font:700 15px Georgia,"Songti SC",serif}.folder-head small{color:#9c8f80;font-size:9px;letter-spacing:.14em}.folder-row{display:grid;grid-template-columns:34px 1fr auto;align-items:center;gap:10px;padding:15px 2px;border-bottom:1px dashed #e7ddd0}.folder-row b{display:grid;place-items:center;width:28px;height:28px;border-radius:7px;background:#efe5d8;color:#986b4d;font:800 11px Georgia,serif}.folder-row span{font-size:13px;font-weight:750}.folder-row em{font-style:normal;color:#927f6e;font-size:11px}.folder-foot{padding:16px 2px 2px;color:#8d8376;font-size:11px;line-height:1.65}.why-save{width:min(1180px,calc(100% - 36px));margin:0 auto;padding:55px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);background:rgba(255,255,255,.35)}.why-grid article{padding:24px;border-right:1px solid var(--line)}.why-grid article:last-child{border-right:0}.why-grid strong{font-family:"Songti SC","STSong",serif;font-size:22px}.why-grid p{margin:8px 0 0;color:var(--muted);font-size:12px;line-height:1.75}.library{width:min(1180px,calc(100% - 36px));margin:0 auto;padding:90px 0}.section-head{max-width:760px;margin-bottom:36px}.section-head h2{margin:0;font-family:"Songti SC","STSong",serif;font-size:42px}.section-head>p:last-child{color:var(--muted);line-height:1.8}.resource{display:grid;grid-template-columns:64px 1fr 170px;gap:25px;align-items:start;padding:28px 0;border-top:1px solid var(--line)}.resource:last-child{border-bottom:1px solid var(--line)}.resource.featured{position:relative}.resource.featured:before{content:"推荐";position:absolute;left:-2px;top:0;transform:translateY(-50%);padding:5px 9px;background:#efe2d2;color:#966746;font-size:9px;font-weight:900;letter-spacing:.08em}.resource-no{font:700 24px Georgia,serif;color:#b29b85;padding-top:5px}.title-row{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.pill,.update{display:inline-block;padding:5px 8px;border-radius:999px;font-size:9px;font-weight:800}.pill{background:#e9e2d8;color:#645c52}.update{background:#edf0ea;color:#607063}.resource h3{margin:12px 0 9px;font-family:"Songti SC","STSong",serif;font-size:29px}.resource h3 small{font-family:inherit;color:#a37b5f;font-size:14px}.resource-main>p{margin:0;max-width:760px;color:var(--muted);font-size:13px;line-height:1.8}.chips{display:flex;gap:7px;flex-wrap:wrap;margin-top:15px}.chips span{padding:6px 8px;border:1px solid #e5dcd0;border-radius:5px;background:#fffdfa;color:#82796e;font-size:10px}.resource details{margin-top:15px}.resource summary{cursor:pointer;color:var(--green);font-size:11px;font-weight:800;list-style:none}.resource summary::-webkit-details-marker{display:none}.resource summary:after{content:" ＋"}.resource details[open] summary:after{content:" －"}.directory{margin-top:10px;padding:13px 14px;border-left:2px solid #c6ad94;background:#f0e7dc;color:#70675d;font-size:11px;line-height:1.8}.resource-side{display:flex;flex-direction:column;align-items:flex-end;padding-top:6px}.resource-side strong{font:600 38px Georgia,serif;color:#4b554d}.resource-side small{margin-top:2px;color:#978b7d;font-size:10px}.resource-side a{margin-top:22px;width:100%;padding:13px 11px;border-radius:7px;background:var(--green);color:white;text-decoration:none;text-align:center;font-size:11px;font-weight:850}.master-callout{width:min(1180px,calc(100% - 36px));margin:0 auto 30px;padding:38px 40px;border-radius:14px;background:#e8dece;display:grid;grid-template-columns:1fr auto;gap:45px;align-items:center}.master-callout h2{margin:0;font-family:"Songti SC","STSong",serif;font-size:36px}.master-callout p:not(.eyebrow){max-width:760px;color:#6f665c;font-size:13px;line-height:1.8}.bridge{width:min(1180px,calc(100% - 36px));margin:0 auto;padding:70px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:.65fr 1.6fr auto;gap:34px;align-items:end}.bridge h2{margin:0 0 10px;font-family:"Songti SC","STSong",serif;font-size:34px}.bridge div p{margin:0;color:var(--muted);line-height:1.8}.bridge>a{padding:13px 17px;border:1px solid #bdb2a3;border-radius:7px;color:var(--green);text-decoration:none;font-weight:800;font-size:12px}.faq{width:min(1180px,calc(100% - 36px));margin:0 auto;padding:50px 0 90px}.faq h2{font-family:"Songti SC","STSong",serif;font-size:34px}.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line)}.faq article{padding:22px 20px;border-bottom:1px solid var(--line)}.faq article:nth-child(odd){border-right:1px solid var(--line)}.faq b{font-family:"Songti SC","STSong",serif;font-size:16px}.faq p{margin:7px 0 0;color:var(--muted);font-size:13px;line-height:1.75}footer{display:grid;grid-template-columns:auto 1fr auto;gap:30px;align-items:center;padding:28px 5vw;border-top:1px solid var(--line);background:#ede4d8;color:#6e675e}footer div{display:flex;gap:8px;align-items:baseline}footer div b{font:900 19px Georgia,serif}footer div span{font-size:9px;letter-spacing:.12em}footer p{margin:0;font-size:12px}footer a{color:var(--green);font-size:12px;font-weight:800;text-decoration:none}@media(max-width:900px){.topbar{grid-template-columns:1fr auto}.topbar nav{display:none}.hero{grid-template-columns:1fr;gap:35px;padding-top:65px}.hero-index{transform:none}.why-grid{grid-template-columns:repeat(2,1fr)}.why-grid article:nth-child(2){border-right:0}.why-grid article:nth-child(-n+2){border-bottom:1px solid var(--line)}.resource{grid-template-columns:48px 1fr}.resource-side{grid-column:2;align-items:flex-start;flex-direction:row;gap:16px;align-items:center}.resource-side a{width:auto;margin-top:0;padding-left:18px;padding-right:18px}.master-callout{grid-template-columns:1fr}.master-callout>a{justify-self:start}.bridge{grid-template-columns:1fr;align-items:start}footer{grid-template-columns:1fr;gap:8px}}@media(max-width:560px){.topbar{padding:0 16px;min-height:64px}.brand b{font-size:22px}.brand span{display:none}.hero,.why-save,.library,.master-callout,.bridge,.faq{width:calc(100% - 28px)}.hero{padding:52px 0 38px}.hero h1{font-size:40px}.hero-copy>p:not(.eyebrow){font-size:14px}.hero-actions>*{width:100%}.hero-trust{display:grid;grid-template-columns:1fr 1fr}.why-grid{grid-template-columns:1fr}.why-grid article{border-right:0!important;border-bottom:1px solid var(--line)}.why-grid article:last-child{border-bottom:0}.library{padding:62px 0}.section-head h2{font-size:34px}.resource{grid-template-columns:38px 1fr;gap:12px}.resource-no{font-size:19px}.resource h3{font-size:24px}.resource-side{grid-column:1/3;justify-content:space-between;padding-left:50px}.resource-side strong{font-size:30px}.master-callout{padding:28px 22px}.master-callout h2{font-size:29px}.bridge{padding:48px 0}.bridge h2{font-size:29px}.faq-grid{grid-template-columns:1fr}.faq article:nth-child(odd){border-right:0}.contact{font-size:11px}}
/* v15 — resource library final polish */
body{background:
  radial-gradient(circle at 88% 4%,rgba(213,190,159,.18),transparent 28rem),
  radial-gradient(circle at 8% 24%,rgba(117,143,122,.08),transparent 24rem),var(--bg)}
:where(a,button,summary):focus-visible{outline:3px solid rgba(165,110,73,.26);outline-offset:3px}
.topbar{transition:box-shadow .25s ease,background-color .25s ease}.topbar.is-scrolled{box-shadow:0 10px 34px rgba(58,44,30,.07);background:rgba(255,253,249,.97)}
.topbar nav a{position:relative}.topbar nav a:after{content:"";position:absolute;left:0;right:100%;bottom:-9px;height:1px;background:var(--warm);transition:right .22s ease}.topbar nav a:hover:after,.topbar nav a.active:after{right:0}
.primary-download,.ghost,.resource-side a,.bridge>a,.scene-links a{transition:transform .2s ease,box-shadow .24s ease,border-color .2s ease,background-color .2s ease,color .2s ease}
.primary-download:hover,.resource-side a:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(47,68,54,.16);background:#344d3e}.ghost:hover,.bridge>a:hover{transform:translateY(-2px);background:#fff;border-color:#b9a994}
.primary-download.is-saving,.resource-side a.is-saving,.mobile-save.is-saving{transform:scale(.98)}
.hero-index{position:relative;overflow:hidden;transition:transform .35s ease,box-shadow .35s ease}.hero-index:after{content:"150";position:absolute;right:-16px;bottom:-36px;color:rgba(154,104,65,.055);font:700 112px Georgia,serif;pointer-events:none}.hero-index:hover{transform:rotate(0) translateY(-4px);box-shadow:0 28px 70px rgba(78,59,38,.12)}
.folder-row{transition:padding-left .2s ease,background-color .2s ease}.folder-row:hover{padding-left:8px;background:rgba(239,229,216,.45)}
.scene-nav{width:min(1180px,calc(100% - 36px));margin:0 auto 10px;padding:20px 22px;display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center;border:1px solid var(--line);border-radius:12px;background:rgba(255,253,249,.72);box-shadow:0 12px 36px rgba(67,50,32,.04)}
.scene-nav-copy{min-width:180px}.scene-nav-copy .eyebrow{margin-bottom:5px}.scene-nav-copy strong{font-family:"Songti SC","STSong",serif;font-size:17px}.scene-links{display:flex;gap:8px;overflow-x:auto;padding:2px 0;scrollbar-width:none}.scene-links::-webkit-scrollbar{display:none}.scene-links a{flex:0 0 auto;display:flex;align-items:center;gap:7px;padding:10px 12px;border:1px solid #ded3c6;border-radius:999px;background:#fffdf9;color:#625d54;text-decoration:none;font-size:11px;font-weight:750}.scene-links a:hover{border-color:#c6b39f;background:#f4eadf}.scene-links span{color:#aa7652;font:700 10px Georgia,serif}
.library-preview{width:min(1180px,calc(100% - 36px));margin:0 auto;padding:80px 0 18px;display:grid;grid-template-columns:minmax(0,.8fr) minmax(500px,1.2fr);gap:70px;align-items:center}.preview-copy h2{margin:0 0 16px;font-family:"Songti SC","STSong",serif;font-size:clamp(32px,4vw,50px);line-height:1.2}.preview-copy>p:not(.eyebrow){margin:0;color:var(--muted);font-size:14px;line-height:1.9}.format-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}.format-row span{padding:6px 9px;border:1px solid #ded4c7;border-radius:6px;background:#fffdf9;color:#7d7164;font:700 10px ui-monospace,SFMono-Regular,Menlo,monospace}.file-window{overflow:hidden;border:1px solid #d9cfc1;border-radius:14px;background:#fffdfa;box-shadow:0 24px 62px rgba(67,50,32,.10);transition:transform .35s ease,box-shadow .35s ease}.file-window:hover{transform:translateY(-4px);box-shadow:0 30px 78px rgba(67,50,32,.14)}.file-window-head{height:42px;display:flex;align-items:center;gap:6px;padding:0 14px;background:#f0ebe4;border-bottom:1px solid #e0d8cd}.file-window-head i{width:8px;height:8px;border-radius:50%;background:#c9bfb3}.file-window-head span{margin-left:8px;color:#8e8478;font-size:10px}.file-row{display:grid;grid-template-columns:32px 1fr auto;gap:10px;align-items:center;padding:13px 16px;border-bottom:1px solid #eee7dd;transition:background .18s ease,padding-left .18s ease}.file-row:last-child{border-bottom:0}.file-row:hover{padding-left:20px;background:#faf5ee}.file-row b{display:grid;place-items:center;width:25px;height:25px;border-radius:6px;background:#eee4d8;color:#986947;font:800 9px Georgia,serif}.file-row span{font-size:12px;font-weight:750}.file-row em{font-style:normal;color:#9a8d80;font-size:10px}.file-row.muted{opacity:.7}
.resource{margin:12px 0;padding:28px 24px;border:1px solid transparent;border-top-color:var(--line);border-radius:12px;transition:transform .28s ease,box-shadow .3s ease,border-color .25s ease,background-color .25s ease}.resource:last-child{border-bottom:1px solid transparent}.resource:hover,.resource.is-expanded{transform:translateY(-3px);border-color:#d8cbbc;background:rgba(255,253,249,.72);box-shadow:0 18px 46px rgba(70,51,31,.07)}.resource.featured:before{left:16px}.resource summary{display:inline-flex;align-items:center;gap:4px;padding:7px 0;transition:color .18s ease}.resource summary:hover{color:#8b5e40}.directory{border-radius:0 8px 8px 0}.resource-side a{position:relative;overflow:hidden}.resource-side a:after,.primary-download:after{content:"";position:absolute;inset:0;transform:translateX(-120%) skewX(-18deg);background:linear-gradient(90deg,transparent,rgba(255,255,255,.17),transparent);transition:transform .55s ease}.resource-side a:hover:after,.primary-download:hover:after{transform:translateX(120%) skewX(-18deg)}
.why-grid article{transition:background-color .22s ease,transform .22s ease}.why-grid article:hover{background:#fffdfa;transform:translateY(-2px)}
.faq article{transition:background .2s ease}.faq article:hover{background:rgba(255,253,249,.65)}
.mobile-save{display:none}
@media(max-width:900px){.scene-nav{grid-template-columns:1fr;gap:12px}.library-preview{grid-template-columns:1fr;gap:30px}.file-window{max-width:680px}.resource{padding:24px 18px}}
@media(max-width:560px){body{padding-bottom:76px}.contact{display:none}.scene-nav{width:calc(100% - 28px);padding:16px;margin-top:4px}.scene-nav-copy{min-width:0}.scene-links{margin:0 -2px}.scene-links a{padding:9px 11px}.library-preview{width:calc(100% - 28px);padding:56px 0 8px}.preview-copy h2{font-size:32px}.file-row{grid-template-columns:28px 1fr}.file-row em{display:none}.file-row span{font-size:11px}.resource{margin:10px -2px;padding:21px 14px}.resource-side{padding-left:0}.mobile-save{position:fixed;z-index:40;left:12px;right:12px;bottom:10px;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:11px 15px;border:1px solid rgba(255,255,255,.22);border-radius:13px;background:rgba(47,70,56,.96);backdrop-filter:blur(14px);color:#fff;text-decoration:none;box-shadow:0 16px 42px rgba(35,45,38,.28);transition:transform .2s ease}.mobile-save span{display:grid;gap:2px}.mobile-save small{color:#d5dfd8;font-size:9px}.mobile-save b{font-size:13px}.mobile-save em{font-style:normal;font-size:21px}footer{padding-bottom:30px}}
@media(prefers-reduced-motion:reduce){.primary-download,.ghost,.resource-side a,.bridge>a,.scene-links a,.hero-index,.folder-row,.file-window,.file-row,.resource,.why-grid article,.faq article,.mobile-save{transition:none!important}}
.case-previews{width:min(1180px,calc(100% - 36px));margin:64px auto}.case-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.case-grid article{overflow:hidden;border:1px solid var(--line);border-radius:14px;background:var(--paper)}.case-grid article>a{display:block;background:#eae7df;padding:12px}.case-grid img{display:block;width:100%;height:270px;object-fit:contain;background:white}.case-grid article>div{padding:24px}.case-grid small{color:var(--warm);font-weight:bold}.case-grid h3{font-size:22px;line-height:1.4;margin:12px 0}.case-grid p{color:var(--muted);font-size:14px;line-height:1.8}.case-cta{display:inline-block;color:var(--green);font-weight:bold;padding:10px 0;text-decoration:none}@media(max-width:650px){.case-grid{grid-template-columns:1fr}.case-grid img{height:210px}.case-grid article>div{padding:20px}.case-previews{margin:48px auto}}
.case-previews{scroll-margin-top:90px}@media(max-width:560px){.hero h1{font-size:30px;line-height:1.25}}