:root{
  --bg:#FAF7F2;
  --surface:#fffdf9;
  --surface-2:#F1EAE2;
  --brand:#C85C3A;
  --brand-deep:#A74329;
  --amber:#E6B85C;
  --ink:#2B2523;
  --text:#332E2B;
  --muted:#766C66;
  --accent:#D94A32;
  --line:#ded2c7;
  --line-strong:#cdbdaf;
  --shadow:0 14px 40px rgba(66,45,36,.08);
  --radius:20px;
  --radius-sm:12px;
  --shell:min(1180px,calc(100% - 48px));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.78;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body.modal-open{overflow:hidden}
a{color:inherit;text-decoration-color:rgba(200,92,58,.45);text-underline-offset:.2em}
a:hover{color:var(--brand-deep);text-decoration-color:currentColor}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
figure{margin:0}
.shell{width:var(--shell);margin-inline:auto}
.section-pad{padding:76px 0}
.alt-bg{background:var(--surface-2)}
.narrow{max-width:760px}
.eyebrow{margin:0 0 12px;color:var(--brand-deep);font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
h1,h2,h3{margin-top:0;color:var(--ink);font-family:Georgia,"Songti SC","SimSun",serif;line-height:1.22;letter-spacing:-.015em}
h1{font-size:clamp(2.3rem,5vw,4.65rem);margin-bottom:24px;max-width:18ch}
h2{font-size:clamp(1.75rem,3.2vw,2.8rem);margin-bottom:18px}
h3{font-size:1.28rem;margin-bottom:10px}
p{margin-top:0;margin-bottom:1em}.lead{font-size:clamp(1.03rem,1.6vw,1.22rem);color:#514842;max-width:760px}.skip-link{position:absolute;left:10px;top:-80px;z-index:999;background:var(--ink);color:#fff;padding:10px 14px;border-radius:8px}.skip-link:focus{top:10px}.site-header{position:sticky;top:0;z-index:60;background:rgba(250,247,242,.94);border-bottom:1px solid rgba(205,189,175,.74);backdrop-filter:blur(12px)}.header-row{min-height:76px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px}.brand-mark{display:flex;align-items:center;gap:11px;text-decoration:none;min-width:170px}.brand-mark img{width:44px;height:44px;object-fit:contain}.brand-mark span{display:grid;line-height:1.15}.brand-mark strong{font-size:1.16rem;color:var(--ink)}.brand-mark small{font-size:.72rem;color:var(--muted);margin-top:4px}.primary-nav{display:flex;justify-content:center;align-items:center;gap:24px}.primary-nav a{font-size:.94rem;text-decoration:none;font-weight:700;color:#4f4540}.primary-nav a:hover{color:var(--brand)}.menu-toggle{display:none;background:transparent;border:1px solid var(--line-strong);border-radius:999px;padding:8px 13px;color:var(--ink)}.search-open,.search-form button{border:0;background:var(--ink);color:#fff;border-radius:999px;padding:10px 16px;font-weight:800}.search-open:hover,.search-form button:hover{background:var(--brand-deep)}
.search-modal[hidden]{display:none !important}.search-modal{position:fixed;inset:0;z-index:100;display:grid;place-items:start center;padding:11vh 20px 30px}.search-backdrop{position:absolute;inset:0;background:rgba(43,37,35,.72)}.search-dialog{position:relative;width:min(650px,100%);background:var(--surface);padding:34px;border-radius:24px;box-shadow:0 30px 80px rgba(0,0,0,.25)}.search-dialog h2{font-size:2rem;margin-right:40px}.search-close{position:absolute;right:16px;top:14px;width:38px;height:38px;border:0;border-radius:50%;background:var(--surface-2);color:var(--ink);font-size:1.6rem;line-height:1}.search-form label{display:block;font-size:.82rem;font-weight:800;margin-bottom:8px}.search-line{display:flex;gap:9px}.search-line input{min-width:0;flex:1;border:1px solid var(--line-strong);background:#fff;padding:12px 14px;border-radius:12px;outline:none}.search-line input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(200,92,58,.12)}
.home-intro{padding-top:66px;background:linear-gradient(180deg,#fbf5ed 0%,var(--bg) 100%)}.intro-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:56px;align-items:center}.intro-copy{padding:28px 0}.intro-visual{position:relative}.intro-visual img{width:100%;aspect-ratio:1.38;object-fit:cover;border-radius:34px 8px 34px 8px;box-shadow:var(--shadow)}.intro-visual figcaption{width:88%;margin:-18px auto 0;position:relative;background:var(--ink);color:#f8ede4;padding:13px 17px;border-radius:12px;font-size:.88rem}.identity-strip{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0}.identity-strip span{border:1px solid var(--line);background:rgba(255,253,249,.66);padding:8px 12px;border-radius:999px;font-size:.88rem}.intro-actions,.button-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:24px}.primary-link,.secondary-link,.light-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 17px;border-radius:999px;text-decoration:none;font-weight:800}.primary-link{background:var(--brand);color:#fff}.primary-link:hover{background:var(--brand-deep);color:#fff}.secondary-link{border:1px solid var(--line-strong);background:var(--surface);color:var(--ink)}.text-link{font-weight:800;color:var(--brand-deep)}.compact-top{padding-top:48px}.two-column-route{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.62fr);gap:70px;align-items:start}.check-list{list-style:none;padding:0;margin:28px 0 0;border-top:1px solid var(--line)}.check-list li{padding:15px 0;border-bottom:1px solid var(--line)}.route-index{border-left:1px solid var(--line-strong);padding-left:26px}.route-index a{display:grid;grid-template-columns:42px 1fr;column-gap:12px;padding:17px 0;border-bottom:1px solid var(--line);text-decoration:none}.route-index a span{grid-row:1/3;color:var(--brand);font-family:Georgia,serif;font-size:1.35rem}.route-index strong{color:var(--ink)}.route-index small{color:var(--muted);line-height:1.5;margin-top:3px}.editorial-split{display:grid;grid-template-columns:minmax(320px,.9fr) minmax(0,1fr);align-items:center;gap:64px}.editorial-split.reverse{grid-template-columns:minmax(0,1fr) minmax(320px,.9fr)}.editorial-split img{width:100%;aspect-ratio:1.42;object-fit:cover;border-radius:8px 28px 8px 28px}.community-layout{display:grid;grid-template-columns:minmax(320px,.83fr) minmax(0,1.17fr);gap:46px;align-items:start;margin-top:36px}.community-photo img{width:100%;aspect-ratio:1.1;object-fit:cover;border-radius:28px 8px 28px 8px}.community-lines{border-top:1px solid var(--line-strong)}.community-line{padding:22px 0;border-bottom:1px solid var(--line-strong)}.community-line strong{font-family:Georgia,"Songti SC",serif;font-size:1.32rem;color:var(--ink)}.community-line p{color:var(--muted);margin:7px 0}.community-line a{font-weight:800;color:var(--brand-deep)}.path-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr 1.2fr;gap:16px;margin-top:32px}.path-grid article{background:var(--surface);border:1px solid var(--line);padding:14px;border-radius:18px;min-width:0}.path-grid article:nth-child(odd){transform:translateY(12px)}.path-grid img{width:100%;aspect-ratio:1.4;object-fit:cover;border-radius:12px;margin-bottom:16px}.path-grid h3{margin:0 4px 8px}.path-grid p,.path-grid a{margin-left:4px;margin-right:4px}.path-grid a{font-weight:800;color:var(--brand-deep)}.app-band{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.7fr);gap:60px;align-items:center;border-top:3px solid var(--amber);border-bottom:1px solid var(--line);padding-top:36px;padding-bottom:36px}.app-band img{width:100%;aspect-ratio:1.3;object-fit:cover;border-radius:50% 50% 12px 12px}.dark-band{background:var(--ink);color:#ede3dc}.dark-band h2,.dark-band .eyebrow{color:#fff}.verification-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px 70px;align-items:start}.verification-grid>ul{list-style:none;margin:0;padding:0;border-top:1px solid rgba(255,255,255,.2)}.verification-grid li{display:grid;grid-template-columns:110px 1fr;gap:15px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.15)}.verification-grid strong{color:var(--amber)}.verification-grid span{color:#d9cbc2}.light-link{grid-column:1/3;justify-self:start;background:#fff;color:var(--ink)}.section-heading{display:flex;justify-content:space-between;gap:60px;align-items:end;margin-bottom:28px}.section-heading>p{max-width:430px;color:var(--muted)}.section-heading.narrow{display:block}.editorial-list{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-strong);border-left:1px solid var(--line-strong)}.editorial-item{display:grid;grid-template-columns:42px 1fr;gap:10px;min-width:0;padding:22px;border-right:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong)}.editorial-item .index-no{font-family:Georgia,serif;font-size:1.4rem;color:var(--brand)}.item-meta{margin:0 0 5px;color:var(--muted);font-size:.8rem;font-weight:700}.editorial-item h3{font-size:1.12rem}.editorial-item h3 a{text-decoration:none}.editorial-item p:last-child{font-size:.9rem;color:var(--muted)}.standalone{display:inline-block;margin-top:24px}.closing-grid{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}.closing-grid img{width:100%;aspect-ratio:1.55;object-fit:cover;border-radius:10px 30px 10px 30px}.link-definitions{margin:0}.link-definitions div{display:grid;grid-template-columns:145px 1fr;gap:20px;padding:13px 0;border-bottom:1px solid var(--line-strong)}.link-definitions dt{font-weight:800}.link-definitions dd{margin:0;color:var(--muted)}
.breadcrumbs{padding:18px 0 0;font-size:.86rem;color:var(--muted)}.breadcrumbs ol{width:var(--shell);margin:0 auto;padding:0;display:flex;gap:8px;flex-wrap:wrap;list-style:none}.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:var(--line-strong)}.breadcrumbs a{color:var(--brand-deep)}.page-hero{padding:56px 0 64px;background:#f8f0e7;border-bottom:1px solid var(--line)}.page-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(330px,.72fr);align-items:center;gap:58px}.page-hero-grid img{width:100%;aspect-ratio:1.32;object-fit:cover;border-radius:28px 8px}.compact-hero .shell{max-width:950px;margin-left:max(24px,calc((100vw - min(1180px,calc(100vw - 48px)))/2))}.compact-hero h1{max-width:22ch}.community-directory{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(260px,.45fr);gap:60px}.topic-group{padding:24px 0;border-bottom:1px solid var(--line)}.topic-group h3{font-size:1.55rem}.topic-jump,.side-index{position:sticky;top:104px;align-self:start;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px}.topic-jump a,.side-index a{display:block;padding:9px 0;border-bottom:1px solid var(--line);text-decoration:none;font-weight:700}.topic-jump a:last-child,.side-index a:last-child{border-bottom:0}.dense-list{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:24px}.dense-list article{background:var(--surface);padding:20px;min-height:165px}.dense-list h3{font-size:1.12rem}.dense-list h3 a{text-decoration:none}.dense-list p{color:var(--muted);font-size:.92rem}.steps-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(290px,.52fr);gap:60px}.step-list{margin-top:26px;border-top:1px solid var(--line-strong)}.step-list article{display:grid;grid-template-columns:56px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}.step-list article>span{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--surface-2);color:var(--brand-deep);font-family:Georgia,serif;font-size:1.25rem}.step-list h3{margin-bottom:6px}.note-panel{background:var(--ink);color:#eee3da;padding:18px 18px 24px;border-radius:24px}.note-panel h2{color:#fff;font-size:1.55rem;margin:22px 8px 10px}.note-panel img{width:100%;aspect-ratio:1.35;object-fit:cover;border-radius:14px}.note-panel ul{margin:0;padding-left:28px}.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line-strong);border-left:1px solid var(--line-strong)}.status-grid article{padding:24px;border-right:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);background:rgba(255,253,249,.45)}.status-grid h2{font-size:1.5rem}.prose-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:64px;align-items:start}.prose{max-width:820px}.prose h2{font-size:1.75rem;margin-top:38px}.prose h2:first-child{margin-top:0}.prose p,.prose li{font-size:1.03rem}.prose code{background:var(--surface-2);padding:.15em .35em;border-radius:5px}.verification-steps{max-width:900px}.verification-steps ol{padding:0;margin:30px 0 0;list-style:none;counter-reset:verify}.verification-steps li{counter-increment:verify;display:grid;grid-template-columns:48px 160px 1fr;gap:16px;align-items:start;padding:18px 0;border-bottom:1px solid var(--line)}.verification-steps li::before{content:counter(verify,decimal-leading-zero);color:var(--brand);font-family:Georgia,serif;font-size:1.35rem}.verification-steps span{color:var(--muted)}.glossary-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:55px}.glossary-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.glossary-grid article{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px}.glossary-grid h3{font-size:1.18rem}.glossary-layout aside{background:var(--surface-2);padding:16px;border-radius:22px}.glossary-layout aside img{width:100%;aspect-ratio:1.3;object-fit:cover;border-radius:13px}.glossary-layout aside h2{font-size:1.45rem;margin:20px 6px 8px}.faq-list{max-width:900px}.faq-list details{border-top:1px solid var(--line-strong)}.faq-list details:last-child{border-bottom:1px solid var(--line-strong)}.faq-list summary{list-style:none;position:relative;padding:20px 46px 20px 0;font-family:Georgia,"Songti SC",serif;font-size:1.2rem;font-weight:700;color:var(--ink);cursor:pointer}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary::after{content:"+";position:absolute;right:8px;top:17px;font:400 1.6rem/1 Arial;color:var(--brand)}.faq-list details[open] summary::after{content:"−"}.faq-list details>div{padding:0 0 20px;max-width:760px;color:var(--muted)}.center-note{text-align:center;max-width:800px}.center-note .button-row{justify-content:center}.secondary-button{min-height:44px;padding:10px 17px;border:1px solid var(--line-strong);border-radius:999px;background:var(--surface);color:var(--ink);font-weight:800}.secondary-button:hover{background:#fff}.safety-columns,.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-strong);border-left:1px solid var(--line-strong)}.safety-columns article,.contact-grid article{padding:26px;border-right:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);background:rgba(255,253,249,.5)}.contact-grid{grid-template-columns:repeat(2,1fr)}.contact-grid h2,.safety-columns h2{font-size:1.55rem}.all-topics,.index-layout{padding-top:45px}.index-layout{display:grid;grid-template-columns:270px minmax(0,1fr);gap:56px;align-items:start}.index-group{padding:26px 0;border-bottom:1px solid var(--line)}.index-group:first-child{padding-top:0}.index-group-head{display:grid;grid-template-columns:minmax(180px,.35fr) 1fr;gap:36px;align-items:start}.index-group-head h2{font-size:1.65rem}.index-group-head p{color:var(--muted)}.index-group .dense-list{grid-template-columns:repeat(2,1fr)}
.article-page{padding-top:50px}.article-header{max-width:930px;margin-bottom:40px}.article-header h1{max-width:25ch}.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.tag-row span{padding:6px 10px;background:var(--surface-2);border-radius:999px;color:#655b55;font-size:.82rem}.article-head-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.55fr);gap:52px;align-items:center;margin-bottom:50px}.article-head-grid img{width:100%;aspect-ratio:1.25;object-fit:cover;border-radius:26px 8px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:62px;align-items:start}.article-body{max-width:820px}.article-body section{padding:0 0 34px;margin-bottom:34px;border-bottom:1px solid var(--line)}.article-body h2{font-size:1.82rem}.article-body p{font-size:1.04rem}.takeaway{background:var(--surface-2);border-left:4px solid var(--amber);padding:24px;border-radius:0 14px 14px 0;margin-top:35px}.takeaway h2{font-size:1.55rem}.article-aside{position:sticky;top:104px;background:var(--surface);border:1px solid var(--line);padding:20px;border-radius:18px}.article-aside h2{font-size:1.35rem}.article-aside a{display:block;padding:9px 0;border-bottom:1px solid var(--line);text-decoration:none;font-weight:700}.article-aside a:last-child{border-bottom:0}.inline-search{display:flex;gap:9px;max-width:650px;margin:26px 0}.inline-search input{min-width:0;flex:1;border:1px solid var(--line-strong);background:#fff;padding:11px 14px;border-radius:10px}.inline-search button{border:0;border-radius:10px;background:var(--brand);color:#fff;padding:10px 16px;font-weight:800}.result-count{color:var(--muted);margin-bottom:24px}.search-results{max-width:920px}.result-item{display:grid;grid-template-columns:120px 1fr;gap:24px;padding:24px 0;border-top:1px solid var(--line)}.result-item:last-child{border-bottom:1px solid var(--line)}.result-item .item-meta{padding-top:4px}.result-item h2{font-size:1.45rem;margin-bottom:8px}.result-item h2 a{text-decoration:none}.empty-state,.not-found{max-width:780px;padding:48px;background:var(--surface);border:1px solid var(--line);border-radius:24px;margin-top:20px;margin-bottom:50px}.not-found h1{font-size:3.1rem}.domain-note{display:inline-block;background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:5px 9px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9em}
.site-footer{margin-top:72px;background:#261f1c;color:#dacec6}.footer-grid{display:grid;grid-template-columns:1.25fr repeat(3,.65fr);gap:44px;padding:58px 0 42px}.footer-grid h2,.footer-grid h3{color:#fff}.footer-grid h2{font-size:1.75rem}.footer-grid h3{font-family:inherit;font-size:.86rem;text-transform:uppercase;letter-spacing:.1em}.footer-grid p{max-width:430px;color:#bfaea4}.footer-links{display:grid;gap:8px}.footer-links a{color:#dacec6;text-decoration:none;font-size:.93rem}.footer-links a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.13);padding:18px 0 28px;color:#a8958a;font-size:.82rem}.back-top{position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--ink);box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(12px);transition:.2s}.back-top.visible{opacity:1;pointer-events:auto;transform:none}
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